Lunar and Planetary Institute






Seventh Lunar Science Conference

TABLE OF CONTENTS

no.

Formation of Irregular Craters on the Moon
H. R. Aggarwal, V. R. Oberbeck
  1001

Solubility of Chrome in Coexisting Olivine, Spinel and Liquid At 1 ATM and Under Controlled fO2
J. Akella, O. Mullins
  1002

K-Ar Ages of Lunar Soils
E. C. Alexander Jr., A. Bates, M. R. Coscio Jr., J. C. Dragon, R. O. Pepin, T. R. Venkatesan
  1003

Compositional Studies of Impact Generated Glasses and Core Sample 60009
M. Z. Ali, W. B. Stroube, W. D. James, W. D. Ehmann
  1004

Lunar Farside Gravity: an Assessment of Satellite to Satellite Tracking Techniques and Gravity Gradiometry
M. P. Ananda, W. Flury, J. Lorell
  1005

The Large Magnetized Region Associated with Rima Sirsalis
K. A. Anderson, R. P. Lin, J. E. McCoy, R. E. McGuire, C. T. Russell, P. J. Coleman
  1006

Observations Based on Orbital X-Ray Fluorescence Data in the Vicinity of the Mare Fecunditatis Wrinkle Ridge, Dorsa Geike
C. G. Andre, J. R. Weidner, I. Adler, J. A. Philpotts
  1007

Thermal Expansion Charecteristics of Tektites and an Apollo 15 Green Glass
J. Arndt, N. Rombach
  1008

Cosmic Ray Exposure Ages of Apollo 17 Samples and Implications for the Age of TYCHO
R. Arvidson, R. Drozd, E. Guinness, C. Hohenberg, C. Morgan, R. Morrison, V. Oberbeck
  1009

A Solar Origin for the Large Lunar Magnetic Field At 4.0 X 10 9 Years Ago?
S. K. Banerjee, J. P. Mellema
  1010

On the Rate of Evolution of Small Lunar Craters
A. T. Basilevsky
  1011

A Petrographic Survey of Apollo 15 Deep Drill Core (0 CM-108 CM)
A. Basu
  1012

Evolution of Lunar Soil and Enrichment of C, H, and Other Solar Wind Implanted Elements in Agglutinates
A. Basu, D. J. Desmarais, W. G. Meinschein
  1013

Characterization of Lunar Nitrogen Components
R. H. Becker, R. N. Clayton
  1014

Oxygen Fugacity in the Lunar Regolith: A Systematic Study of the Relationship Between Composition, Oxygen Fugacity and Optical Spectra of Lunar and Synthetic Glasses
P. M. Bell, H. K. Mao
  1015

A Two-Gas Model of Solar Wind Accelerated Lunar Exospheric Ions and its Implications for Models of the Surface Distribution of a Non-Condensible Gas
J. Benson, J. W. Freeman
  1016

Solar Flare Records in Lunar Rocks
N. Bhandari, S. K. Bhattacharya, J. T. Padia
  1017

Ion Implication Synthesis of Light Molecules in ExtraTerrestrial Dust Grains
J. P. Bibring, J. Chaumont, Y. Langevin, M. Maurette
  1018

79215: A Unique, Early Lunar Breccia
C. E. Bickel, J. L. Warner, W. C. Phinney
  1019

Chemistry of the Lunar Equatorial Zone
M. J. Bielefeld, R. C. Reedy, A. E. Metzger, J. I. Trombka, J. R. Arnold
  1020

Pyrolysis-Acid Dissolution Studies of Lunar Carbon Chemistry
M. C. J. Billetop, G. Eglinton, L. R. Gardiner, A. J. T. Jull, C. T. Pillinger
  1021

Lunar Density Structure: Evidence for a Core
B. G. Bills, A. J. Ferrari, R. J. Phillips
  1022

The Lunar Mantle: an Olivine Peridotite, Not a Pyroxene Peridotite
A. B. Binder
  1023

Drive Tube 60009: A Chemical Study of Magnetic Separates of Size Fractions from Five Strata
D. P. Blanchard, J. W. Jacobs, J. C. Brannon
  1024

Stratigraphic Contacts in Apollo 16 Drill Section 60002
G. E. Blanford, D. Morrison
  1025

Shield Volcanism and Lithospheric Structure Beneath the Tharsis Plateau
K. R. Blasius
  1026

Noble Gases in 60009 Drive Tube Samples: Trapped Gases and Irradiation History
D. D. Bogard, W. C. Hirsch
  1027

Comparison of Gravity Anomalies for Earth, Mars, and Moon
C. Bowin
  1028

Relative Ages of Flow Units in the Lunar Nearside Maria
J. M. Boyce
  1029

Differences in Elemental Distributions in the Size Fractions of Mare- and Highlands-Type Soils
W. V. Boynton, K. L. Robinson, P. H. Warren, J. T. Wasson
  1030

Textural Control of Magnetization in Lunar, Meteoritic and Terrestrial Rocks
A. Brecher
  1031

Multiple Ring Structures and the Problem of Correlation between Lunar Basins
W. J. Brennan
  1032

Lunar Subsurface Structure in the Sulpicius Gallus Region
W. E. Brown Jr., R. S. Saunders, M. Kobrick, G. G. Schaber
  1033

Geometry and Persistence of the Lunar Grid: Some Implications for Terrestrial Tectonics
W. B. Bryan, P. A. Jezek, M. L. Adams
  1034

The Charged-Particle Track Record of Some Lunar Soils and its Interpretation
R. K. Bull, S. A. Durrani
  1035

Mineral Analyses of Howardite Clasts and a Differentiation Model for the Basaltic Achondrite Parent Body
T. E. Bunch
  1036

Visible-Region Spectra of the Moon: Progress Towards Characterizing the Cations in Fe-Ti-Bearing Minerals
R. G. Burns, B. M. Loeffler, K. M. Parkin, R. M. Abu-Eid, I. S. Leung
  1037

Variations in Chemical Compositions of Apollo 15 Mare Basalts
J. C. Butler
  1038

Sulfur Prevails in the Coatings on the Green Glasses(Apollo 15), Orange Glasses (Apollo 17), and Red-Brown Glasses (Apollo 11)
P. Butler Jr., C. Meyer Jr.
  1039

The Surface Structure and Composition of 60017,43 (Shadow Rock)
D. A. Cadenhead, M. G. Brown
  1040

The Origin of the Moon
A. G. W. Cameron, W. R. Ward
  1041

Distribution of Sulfur, Helium, and Magnetic Particles in Grain Size Fractions of Lunar Soils
S. Chang, K. Lennon, E. K. Gibson Jr.
  1042

The Ries Crater, A Model for the Interpretation of the Source Areas of Lunar Breccia Samples
E. C. T. Chao
  1043

The Petrology of 77215, A Noritic Impact Ejecta Breccia
E. C. T. Chao, J. A. Minkin, C. L. Thompson
  1044

Age-Color Relationships in the Lunar Highlands
M. P. Charette, J. B. Adams, L. A. Soderblom, M. J. Gaffey, T. B. McCord
  1045

Siderophilic Element Evidence Regarding A Chondritic Component in Howardites
C. L. Chou, W. V. Boynton, R. W. Bild, J. T. Wasson
  1046

Composition of some Apollo 14, 15, and 16 Lunar Breccias and Two Apollo 15 Fines
R. P. Christian, S. Berman, E. J. Dwornik, H. J. Rose Jr., M. M. Schnepfe
  1047

Petrographic Studies of Experimentally Shocked Lunar Regolith Samples
J. M. Christie, G. L. Nord Jr., A. H. Heuer, M. F. Rose, S. M. Ciswoski, M. D. Fuller, J. S. Lally
  1048

Lead Isotopic Studies of Lunar Soils: Thier Bearing on the Time Scale of Agglutinate Formation
S. E. Church, G. R. Tilton, J. H. Chen
  1049

Volatile Element Depletion and 39K/41K Fractionation in Lunar Soils
S. E. Church, G. R. Tilton, J. E. Wright
  1050

Craters on the Moon, Mars, and Mercury: A Comparison of Depth/ Diameter Characteristics
M. J. Cintala, J. W. Head, T. A. Mutch
  1051

Exposure Age Stratigraphy Studies of Lunar Core Samples By Ferromagnetic Resonance
E. H. Cirlin, R. M. Housley, I. B. Goldberg, H. Crowe
  1052

On the Interpretation of the NRM of Lunar Samples
S. M. Cisowski, M. Fuller, Y. Wu, M. F. Rose, P. J. Wasilewski
  1053

Sampling Problems and the Characterization of Lunar Rock Types
U. S. Clanton, C. R. Fletcher
  1054

Parent Bodies of Stony-Iron Meteorites
R. N. Clayton, T. K. Mayeda, A. M. Davis
  1055

Radiographic Enhancement Analysis of Sedimentary Structures and Depositional History in Apollo 15 Core 15011
N. K. Coch
  1056

On the Intensity of the Ancient Lunar Magnetic Field
D. W. Collinson, S. K. Runcorn, A. Stephenson
  1057

Particle Tracks and Lunar Soil Exposure History
G. M. Comstock
  1058

Statistical Techniques Applied to Lunar Geochemical Data
A. Coradini, A. I. Gavrishin, M. Fulchignoni, R. Funiciello
  1059

Extralunar Sulfur in Apollo 16 and 17 Lunar Soils
J. D. Cripe, C. B. Moore
  1060

Origin of the Apollo 17 Deep Drill Coarse-Grained Layer
G. Crozaz, A. L. Plachy
  1061

Seismic Investigation of the Lunar Interior
A. M. Dainty, N. R. Goins, M. N. Toksoez
  1062

Geologic Structure of the Eastern Mare Basins
R. A. de Hon
  1063

Geology of the Eridania Quadrangle--Mars
R. A. de Hon
  1064

Experimental Petrology of a Refractory Whole Moon Composition
J. W. Delano
  1065

Experimental Petrology of a Lunar "Spinel" Troctolite
J. W. Delano
  1066

Secondary Impact Mixing in the Formation of Apollo 17 Grey Breccias
M. R. Dence, R. A. F. Grieve
  1067

Rare Gas Retention Under Lunar Conditions: A Systematical Simulation Study
I. J. Deubner, T. Kirsten
  1068

Lunar Samples 12063 and the Evolution of Satellite Callisto
A. Dollfus, J. E. Geake, J.-C. Mandeville
  1069

Evolution of REE Abundances in High-Ti Mare Basalts: Problems with Total Melting and Equilibrium Partial Melting and a Possible Solution With Fractional Partial Melting
M. J. Drake, G. J. Consolmagno
  1070

Lithium as a Correlated Element and on the Bulk Composition of the Moon and the Parent Body of the Eucrites
G. Dreibus, H. Kruse, H. Palme, H. Waenke
  1071

Neutron Capture Effects in 14307
R. J. Drozd, C. Morgan
  1072

A Selenotherm Based on Electrical Conductivity in Orthoenstatite Single Crystals to 1400 deg C
A. Duba, H. C. Heard, R. N. Schock
  1073

Thermal Movement of the Regolith
F. K. Duennebier
  1074

Source Region Constraints for Lunar Basalt Types Inferred from Trace Element Chemistry
A. R. Duncan, M. K. Sher, Y. C. Abraham, A. J. Erlank, J. P. Willis, L. H. Ahrens
  1075

Thermoluminescence Studies of Apollo 17 Boulder Shadows
S. A. Durrani, K. A. R. Khazal
  1076

Structure of the Lunar Interior from Magnetic Field Measurements
P. Dyal, C. W. Parkin, W. D. Daily
  1077

Petrographic Investigation of Lunar Sample 72435 with Emphasis on the Nature of its Clasts
R. F. Dymek, A. L. Albee, A. A. Chodos
  1078

Chemical and Mineralogical Homogeneity of Boulder #2, Apollo 17 Station #2
R. F. Dymek, A. L. Albee, A. A. Chodos
  1079

Young and Old Ages in the Descartes Region
P. Eberhardt, J. Geiss, N. Groegler, P. Maurer, A. Stettler, A. Peckett, G. M. Brown, U. Kraehenbuehl
  1080

Terrestrial Sand Patterns Photographed by the Apollo-Soyuz Mission and Similar Features on Mars
F. El-Baz
  1081

Shocked Norite 78235: Primary Textures and Shock Features
A. El Goresy, W. V. Engelhardt, J. Arndt, D. Mangliers
  1082

Zoning in Spinels as an Indicator of the Crystallization Histories of Mare Basalts
A. El Goresy, M. Prinz, P. Ramdohr
  1083

Microimpact-Induced Changes of Textural Parameters and Modal Composition of the Lunar Regolith
W. V. Engelhardt, H. Hurrle
  1084

Asteroids and Comparative Planetology
F. P. Fanale, D. L. Matson, T. V. Johnson, G. J. Veeder
  1085

Airborne 236U and its Effect on Lunar Sample Analysis
P. R. Fields, H. Diamond, D. N. Metta, D. J. Rokop
  1086

Mineralogy and Petrography of the Sub-30 μm Fraction of the Apollo 16 Regolith
R. B. Finkelman
  1087

Evidence for Carbon-14 in the Solar Wind
E. L. Fireman, J. D'Amico, J. Defelice
  1088

Manicouagan Structure, Quebec: A Terrestrial Analog of Lunar Multiring Basins
R. J. Floran
  1089

A Comparison Between the Geochemistry and Petrology of Apollo 16 - Terrestrial Impact Melt Analogs
R. J. Floran, W. C. Phinney, D. P. Blanchard, J. L. Warner, C. H. Simonds, R. W. Brown, J. C. Brannon, R. L. Korotev
  1090

On the Dependence of Morphology of Lunar Craters from their Sizes
C. P. Florensky, A. T. Basilevsky, N. N. Grebennik
  1091

Thermal Diffusivity of Lunar Fines: Temperature and Particle Size Effects
J. A. Fountain, E. A. West
  1092

An Experimental Study of Phosphate Reduction and Phosphorus Bearing Lunar Metal Particles
J. J. Friel, J. I. Goldstein
  1093

Asteroid Surface Materials
M. J. Gaffey, T. B. McCord
  1094

Chemical Characteristics of High-Temperature Condensates
R. Ganapathy, L. Grossman
  1095

Chemical Fractionation in the Lunar Crust with Emphasis on Zirconium and Hafnium
A. N. Garg, W. D. Ehmann
  1096

Meteoritic Metal Fractionation in Terrestrial Impactites
R. V. Gibbons, F. Hoerz, R. V. Morris, D. E. Brownlee
  1097

Microprobe Analyses of a Single Agglutinate
R. V. Gibbons, F. Hoerz, R. B. Schaal
  1098

Nature of the Sulfur in the Apollo 17 Basalts and their Source Regions
E. K. Gibson Jr., R. V. Morris, T. M. Usselman
  1099

Major Element Composition of Apollo 11, 16 and 17 Glasses
B. P. Glass
  1100

High (>60%) SIO2 Lunar Glasses
B. P. Glass
  1101

The Accretion of the Moon
T. Gold
  1102

Surface Concentrations of F, H, and C
R. H. Goldberg, R. A. Weller, T. A. Tombrello, D. S. Burnett
  1103

Carbides in Lunar Soils and Rocks
J. I. Goldstein, R. H. Hewins, A. D. Romig Jr.
  1104

Magnetic Evidence Concerning a Lunar Core
B. E. Goldstein, R. J. Phillips, C. T. Russell
  1105

Solar Cosmic Ray Effects in Heavy Noble Gases of Lunar Soils and Breccias
K. Gopalan, M. N. Rao
  1106

Ferromagnetic Resonance and Magnetic Studies of 60003 and 60009: Compositional and Exposure Stratigraphy
W. A. Gose, R. V. Morris
  1107

Origin of Magnetization in Lunar Breccias: an Example of Thermal Overprinting
W. A. Gose, D. W. Strangway, G. W. Pearce
  1108

Particle Track and Microcrater Records in Lunar Samples and Meteorites
J. N. Goswami, I. D. Hutcheon, J. D. MacDougall
  1109

Microstratigraphy of the Lunar Regolith and Compaction Ages of Lunar and Meteoritic Breccias
J. N. Goswami, D. Braddy, P. B. Price
  1110

Photogeology of Aratus Ca, Mare Serenitatis
R. Greeley
  1111

Mare Emplacement in the Orientale Basin
R. Greeley
  1112

Orthopyroxene in the Lunar Interior and Constraints on Early Lunar Differentiation
D. H. Green
  1113

Bombardment of Lunar Highlands: Constraints on Composition and Origin of Projectiles
J. Gros, H. Takahashi, J. Hertogen, J. W. Morgan, E. Anders
  1114

Primordial Condensation in the Early Solar System: Allende Mineral Chemistry
S. E. Haggerty, G. A. Merkel
  1115

Lunar Bi-Directional Reflectance Spectroscopy
B. Hapke, E. Wells
  1116

Age of 20-KM-Diameter Lunar Crater: 797 Years, 262 + 2 Days
J. B. Hartung
  1117

Mixing Model Studies of the Apollo 17 Regolith
B. R. Hawke, W. D. Ehmann
  1118

The Significance of Substrate Characteristics in Determining Morphology and Morphometry of Lunar Craters
J. W. Head
  1119

Definition and Detailed Characterization of Lunar Surface Units Using Remote Observations
J. W. Head, C. Pieters, T. McCord, J. Adams, S. Zisk
  1120

Mascon Ages and Sinking Rates
H. C. Heard
  1121

Petrographic and Ferromagnetic Resonance Studies of the Apollo 15 Deep Drill Core
G. H. Heiken, R. V. Morris, D. S. McKay
  1122

Lunar Granites: A Discussion
P. C. Hess, M. J. Rutherford, F. J. Ryerson
  1123

Metal-Silicate Relations in Apollo 16 Soils
R. H. Hewins, J. I. Goldstein, H. J. Axon
  1124

The Neon Alfabet: Contributions from the Apollo Program to a New Interpretation of Terrestrial Neon
D. Heymann, M. Dzizkaniec
  1125

Comparison of Pb-Pb With Argon Ages in Highlands Fragment 78503,13,A
J. R. Hinthorne, R. L. Conrad
  1126

Impact Produced Differentiation of the Lunar Highlands: A Possible Mechanism
F. N. Hodges
  1127

The Escape of Solar Wind Carbon from the Moon
R. R. Hodges Jr.
  1128

Large Scale Bombardment History of Lunar Highlands: A Monte Carlo Model
F. Hoerz, R. V. Gibbons, R. E. Hill, D. E. Gault
  1129

ESCA Studies Related to the Surface Chemistry of Lunar Fines
R. M. Housley, R. W. Grant, I. B. Goldberg
  1130

Ultraviolet Spectral Reflectance Measurements for Lunar and Terrestrial Samples
H. C. Trong, A. Dollfus, J.-C. Mandeville
  1131

The Chemical Classification of Apollo 17 Orange Glass
N. J. Hubbard, J. M. Rhodes
  1132

Hybridization: an Answer to the Problem of Heterogeneous Source Materials
N. J. Hubbard, J. W. Minear
  1133

Diffusively Rimmed Xenocrysts in 77115
J. S. Huebner
  1134

Chromium Partitioning Between Silicate Melt and Crystals: Experiments and Application
J. S. Huebner, B. R. Lipin
  1135

39Ar Recoil out of Small Grains and Implications for 40Ar-39Ar Dating
J. C. Huneke, S. P. Smith
  1136

Trace Element Retentivity in Artificially Heated Geologic Materials: Comparison of Trends for Terrestrial Basalt BCR-1 with those for three Primitive Chondrites
M. Ikramuddin, C. M. Binz, M. E. Lipschutz
  1137

Pyroxene Geothermometry and Crystallization-, Subsolidus Equilibration Temperatures of Lunar and Achondritic Pyroxenes
T. Ishii, M. Miyamoto, H. Takeda
  1138

Gravity Effect on Crater Formation: Thickness of Ejecta and Concentric Basins
B. A. Ivanov
  1139

Chondrule-Like Particles from "Luna-16" and "Luna-20" Regolith Samples
A. V. Ivanov, M. A. Nazarov, O. D. Rode, I. D. Shevaleevsky
  1140

Factors of the Selective Vaporization of Melts in Vacuum (On the Examples of Vaporization of Alkalis (K2O and NA2O))
O. I. Jackovlev
  1141

Petrology of Aphanitic Lithologies in Consortium Breccia 73215
O. B. James
  1142

Consortium Studies of Aphanitic Litholgoies and Two Anorthositic Gabbro Clasts in Breccia 73215
O. B. James, D. P. Blanchard, J. W. Jacobs, J. C. Brannon, L. A. Haskin, A. Brecher, W. Compston, K. Marti, G. W. Lugmair, J. Gros, H. Takahashi, D. Braddy
  1143

A New Look at the Lunar Seismic Data
H. Jarosch
  1144

Alkali Mobility in Shocked Basalt
R. F. Jeanloz, T. J. Ahrens
  1145

Ages of Plutonic Clasts in Consortium Breccia 73215
E. K. Jessberger, T. Kirsten, T. Staudacher
  1146

Inert Gas Stratigraphy of Sections 60002 and 60004 of the Apollo 16 Deep Drill Core
J. L. Jordan, D. Heymann
  1147

Trace Elements and the Evolution of Lunar Rocks
S. Jovanovic, K. Jensen, G. W. Reed Jr.
  1148

Lunar Orbit Evolution and Tidal Heating of the Moon
W. M. Kaula, C. F. Yoder
  1149

Progress by the Consorts of Angra DOS Reis (The Adorables)
K. Keil, M. Prinz, P. F. Hlava, C. B. Gomes, W. S. Curvello, G. J. Wasserburg, F. Tera, D.A. Papanastassiou, J.C. Huneke, A.V. Murali, M.-S. Ma, R.A. Schmitt, G.W. Lugmair, K. Marti, N.B. Scheinin, R.N. Clayton
  1150

Retention of Solar Wind Noble Gases in the Regolith
J. F. Kerridge, I. R. Kaplan, C. Petrowski
  1151

Mare Basalt Petrogenesis in a Dynamic Moon
S. E. Kesson, A. E. Ringwood
  1152

The Kinetics of Lunar Glass Formation, Revisited
L. Klein, D. R. Uhlmann
  1153

Lunar Shape and Topography from the Apollo Lunar Sounder
M. Kobrick
  1154

Rare Earths and other Elements in two Size Fractions of Soils from the Taurus-Littrow Valley Floor
R. Korotev
  1155

A Comparison of Galactic Cosmic Ray Compositional Data Deduced from Track Studies in Lunar and Meteoritic Feldspars
W. Kraetschmer, W. Gentner
  1156

Luna 16 Revisited: A Progress Report
G. Kurat, A. Kracher, R. Warner, K. Keil
  1157

Some Complex but Interesting Aspects of Solar and Galactic Cosmic Ray Irradiation of Lunar Regolith
D. Lal, M. N. Rao
  1158

Electron Microscopy of Lunar Dunite 72417
J. S. Lally, J. M. Christie, A. H. Heuer, G. L. Nord Jr.
  1159

A Monte-Carlo Simulation of Galactic Cosmic Rays Effects in the Lunar Regolith
Y. Langevin, M. Maurette
  1160

The Revised Lunar Heat Flow Values
M. G. Langseth, S. Keihm, K. Peters
  1161

Thorium, Uranium and Potassium Systematics in Apollo 17 Basalts
J. C. Laul, J. S. Fruchter
  1162

Rare-Gas Chronology of Enstatite Achondrites and the Bholghati Howardite
D. A. Leich, R. K. Moniot
  1163

The Apollo 16 Drill Core: Modal Petrology
S. F. Lellis, J. J. Papike, K. L. Cameron
  1164

Attempted Identification of the Phases in Allende Meteorite Bearing A Peculiar Xenon Component
R. S. Lewis, J. Gros, E. Anders
  1165

Hydromagnetic Theory for the Scattering of Alfven Waves by the Moon in the Geomagnetic Tail Lobes
B. R. Lichtenstein, G. Schubert
  1166

Elasticity of Gabbro and Anorthositic Gabbro and the Nature of Lunar Crust
R. C. Liebermann, A. E. Ringwood
  1167

Fine Scale Lunar Surface Magnetic Fields Detected by the Electron Reflection Method
R. P. Lin, K. A. Anderson, R. E. McGuire, J. E. McCoy
  1168

The Origin of Fra Mauro Basalts
B. R. Lipin
  1169

Optical Characteristics of Lunar Regolithe in the Intermediate Zone
N. Yu. Lipsky, V. V. Shevchenko
  1170

Fe, MG and Silica in Lunar Plagioclase
J. Longhi, D. Walker, J. F. Hays
  1171

Direct 207Pb/206Pb Dating by Ion Microprobe of Uranium-Thorium-Rich Phases in Allende Calcium-Aluminium-Rich Clasts (Carc's)
J. F. Lovering, J. R. Hinthorne, R. L. Conrad
  1172

Analysis of Scarps on the Rim of Mare Serenitatis
B. K. Lucchitta
  1173

The Low-Sm/Nd Region of the Moon: Evolution and History of a Troctolite and a KREEP Basalt
G. W. Lugmair, J. P. Kurtz, K. Marti, N. B. Scheinin
  1174

Spectral Reflectance Maps of the Lunar Frontside
T. B. McCord, C. Pieters, M. F. Feierberg
  1175

Additional Photometric Studies of Light Scattering Above the Lunar Terminator from Apollo Orbital Corona Photography
J. E. McCoy
  1176

A Monte Carlo Approach to Solar Wind Sputter Erosion Simulation on the Lunar Surface
J. A. M. McDonnell, W. C. Carey
  1177

Microparticle Hypervelocity Impact Comminution Distribution Primary Crater and Accretionary Populations on Lunar Samples
J. A. M. McDonnell, R. P. Flavill, W. C. Carey
  1178

Comparative Studies of Grain Size Separates of 60009
D. S. McKay, R. V. Morris, M. A. Dungan
  1179

Application of Major and Trace Element Crystal/Liquid Partitioning to the origin of KREEP
G. A. McKay, D. F. Weill
  1180

Some Observations on Mare Basalt Genesis
M.-S. Ma, A. V. Murali, R. A. Schmitt
  1181

Constraints on Catering Histories for Mercury, the Moon, and Mars from Observations of Large Basins
M. C. Malin
  1182

Microcraters on Lunar Rocks and Nature of Interplanetary Dust
J. C. Mandeville
  1183

Regolith Processes: Nonequilibrium of the Metal Phase
H. K. Mao, P. M. Bell
  1184

The Strength of Rock Samples Approaching Simulated Lunar Conditions
R. J. Martin, H. A. Spetzler, C.-P. Lu, N. Soga
  1185

Subsurface Layering in Maria Serenitatis and Crisium: Apollo Lunar Sounder Results
T. W. May, W. J. Peeples, T. Maxwell, W. R. Sill, S. H. Ward, R. J. Phillips, R. Jordan, E. Abbott
  1186

Evolution of Lunar Soil 75081
W. G. Meinschein, G. Mack
  1187

Information from the Scattering Parts of Lunar Seismograms
R. Meissner, F. Schildknecht, J. Voss, W. Weinrebe
  1188

The Mechanical Stability of Very Large Craters
J. Melosh
  1189

Crater Degradation and Thermal Patterns
W. W. Mendell
  1190

Composition of Individual Chondrules from the Meteorite Allende
C. Menninga, L. A. Rancitelli
  1191

Hydrogen and Deuterium in Lunar Rock 70215
L. Merlivat, M. Lelu, G. Nief, E. Roth
  1192

Study of Mineral, Lithic and Glass Clasts <1MM Size in Apollo 16 Core Section 60003
H. O. A. Meyer, R. H. McCallister
  1193

A Simple Cooling Model for Igneous Rocks
J. W. Minear, C. R. Fletcher
  1194

Native Feni Metal Particles in Apollo 17 Station 6 Boulder
K. C. Misra, B. M. Walker, L. A. Taylor
  1195

The Origin of Howardite as Inferred from Pyroxene Mineralogy of Frankfort and Yamato(L) and a Primordial Lunar Crust Model
M. Miyamoto, H. Takeda, T. Ishii
  1196

Total Nitrogen Contents of Apollo 15, 16 and 17 Lunar Rocks and Breccias
C. B. Moore, C. F. Lewis
  1197

Surface Exposure of Lunar Soils: A Comparative FMR Study
R. V. Morris
  1198

High Resolution Depth Profiles of Rare Gases in Individual Lunar Soil Particles
H. W. Mueller, J. Kiko, T. Kirsten
  1199

Nitrogen in Lunar Igneous Rocks
O. Mueller, E. Grallath, G. Toelg
  1200

Mare Basalt 60639, Another Eastern Lunar Basalt
A. V. Murali, M.-S. Ma, R. A. Schmitt
  1201

Rb-Sr Studies of A-17 Mare Basalts and Some General Considerations Early Terrestrial and Lunar Evolution
V. R. Murthy
  1202

Partition Coefficients of REE and SC in Perovskite, Melilite, and Spinel and their Implications for Allende Inclusions
H. Nagasawa, H. D. Schreiber, D. P. Blanchard
  1203

REE Distribution and Rb-Sr Systematics of Allende Inclusions
H. Nagasawa, B.-M. Jahn
  1204

Ferromagnetism and Superparamagnetism of Lunar Surface Materials: Characterization of the Lunar Crust
T. Nagata, R. M. Fisher, F. C. Schwerer
  1205

Density and Chemistry of Interplanetary Dust Particles, Derived From Measurements of Lunar Microcraters
K. Nagel, G. Neukum, J. S. Dohnanyi, H. Fechtig, W. Gentner
  1206

Stratification in Drive Tubes 60010/60009
J. S. Nagel, M. B. Duke, D. A. Morrison, G. E. Blanford, G. Crozaz
  1207

Seismic Structure of the Moon
Y. Nakamura, G. V. Latham, H. J. Dorman
  1208

Pigeonites from Basalt 14053: Chemistry and Exsolution
H. Nakazawa, A. El Goresy, S. S. Hafner, T. Yajima
  1209

The Apollo 16 Drill Core: Glass Chemistry and Intracore Distributions
M. T. Naney, S. F. Lellis, J. J. Papike, K. L. Cameron
  1210

On the Surface Mineralogy of 10
D. B. Nash, F. P. Fanale
  1211

Chemical Compositions of Fines from the Apollo 16 Deep Drill Core
D. F. Nava, M. M. Lindstrom, P. J. Schuhmann, D. J. Lindstrom, J. A. Philpotts
  1212

Preliminary Sulfur Implanation Experiments
J. M. Neil, A. L. Burlingame
  1213

Crater Size-Distribution Studies and Dating of Individual Lunar Craters
G. Neukum, B. Koenig
  1214

Atmospheric Xenon in Rock 60015
S. Niemeyer, D. A. Leich
  1215

53MN in the Apollo 15 and 16 Drill Stems: Evidence for Surface Mixing
K. Nishiizumi, M. Imamura, M. Honda, G. P. Russ, C. P. Kohl, J. R. Arnold
  1216

Lunar Troctolite 76535: Mineralogical Investigations
G. L. Nord Jr., M. Ross, J. S. Huebner
  1217

4. 4 B. Y. -Old Clast in Boulder 7, Apollo 17
P. D. Nunes, N. Nakumara, M. Tatsumoto
  1218

Velocity Structure of the Shallow Crust of the Moon
A. Nur, N. Fujii, E. S. Sprunt
  1219

SR Isotopic Constraints on the Petrogenesis of Apollo 17 Mare Basalts
L. E. Nyquist, B. M. Bansal, H. Wiesmann
  1220

Rb-Sr Systematics of Agglutinate Fractions from Apollo 16 Soils
L. E. Nyquist, B. M. Bansal, H. Wiesmann
  1221

Effect of Basin Secondaries and Debris Surges on Survival of Post-Accretional Lunar and Planetary Surfaces
V. R. Oberbeck, R. H. Morrison
  1222

Tektites as Lunar Probes
J. D. O'Keefe
  1223

Distribution of Initial Impact Ejecta
J. D. O'Keefe, T. J. Ahrens
  1224

Radionuclide Concentrations in KREEP Basalt Samples 15382 and 15386
G. D. O'Kelley, J. S. Eldridge, K. J. Northcutt, E. Schonfeld
  1225

On the Nature of Lunar Mascons
B. A. Okulessky, G. A. Burba
  1226

Heat Flow in Impact Melts: Apollo 17 Station 6 Boulder
P. K. Onorato, D. R. Uhlmann, C. H. Simonds
  1227

Investigation of the Moon's Heat History at the Most Probable Concentrations of Radioactive Elements
O. I. Ornatskaya, N. M. Tseytlin, I. Al'Ber Ya, I. P. Ryasantseva
  1228

Limitations on the Origin of Mare Basalts by Trace Element Systematics
H. Palme, H. Waenke
  1229

Early Lunar Differentiates and Lunar Initial 87 Sr/86 SR
D. A. Papanastassiou, G. J. Wasserburg
  1230

Determination of a Mercurian Liquid Core
S. J. Peale
  1231

Excitation and Relaxation of the Wobble, Precession and Libration of the Moon
S. J. Peale
  1232

Relationships Between Siderophile Element and Metallic Iron Contents of Apollo 16 and 17 Lunar Soils
G. W. Pearce, C. L. Chou
  1233

The Strength of the Ancient Lunar Magnetic Field and Partial Self-Reversals
G. W. Pearce, G. N. Hoye, D. W. Strangway
  1234

Initial Results of Factor and Cluster Analysis for Mare Serenitials
W. J. Peeples, R. W. Shorthill
  1235

The Formation Interval of the Earth
R. O. Pepin, D. Phinney
  1236

Light Element Geochemistry of the Apollo 15 Site
C. Petrowski, I. R. Kaplan, J. F. Kerridge
  1237

Isostatic Adjustment of Craters in Lunar History
R. J. Phillips, E. A. Abbott, J. E. Conel, T. V. Johnson, R. S. Saunders, J. Dvorak
  1238

Rare-Gas-Rich Separates from Carbonaceous Chondrites
D. Phinney, U. Frick, J. H. Reynolds
  1239

Lithification of Fragmental and Vitric Matrix Breccias: SEM Petrography
W. C. Phinney, D. S. McKay, J. L. Warner, C. H. Simonds
  1240

Lunar-Basalt Types: Further Definition from Remote Sensing
C. Pieters
  1241

Simple to Complex Impact Craters: The Transition on the Moon
R. J. Pike
  1242

A Model for the Isotopic Evolution of Light Elements in Lunar Soil
C. T. Pillinger, A. J. T. Jull, G. Eglinton, S. Epstein
  1243

Chemical Fractionations Produced by Solar Wind Bombardment
C. T. Pillinger, L. R. Gardiner, A. J. T. Jull, M. R. Woodcock
  1244

Time Scale for the Micrometeorite and Solar Flare Maturation of Lunar Soils
G. Poupeau, J. Johnson
  1245

12013 Revisited -- Two Clast-Laden Melts
J. E. Quick, A. L. Albee
  1246

Recent and Long Term Mixing of the Lunar Regolith Based on Analysis of Apollo 15, 16 and 17 Deep Drill Strings
L. A. Rancitelli, J. S. Fruchter, R. W. Perkins
  1247

Thermal State After Accretion
G. A. Ransford, W. M. Kaula, R. J. Phillips
  1248

Spallation Rare Gas Production Calculations and Studies of Lunar Surface Processes
R. C. Reedy
  1249

Microcrater Diameter Discrepancies
D. E. Rehfuss, J. C. Anselmo, N. K. Kincheloe, D. Michael
  1250

The Leont'Ev Effect: Shallower Craters Above 12 KM S-1
D. E. Rehfuss, J. C. Anselmo, N. K. Kincheloe, D. Michael
  1251

Chemistry, Classification and Petrogenesis of Apollo 17 Mare Basalts
J. M. Rhodes, N. J. Hubbard, H. Wiesmann, K. V. Rodgers, B. M. Bansal
  1252

The Chemistry of Agglutinate Fractions in Lunar Soils Part II Apollo 14 Soil
J. M. Rhodes, D. P. Blanchard, J. B. Adams, M. Charette, J. C. Brannon, K. V. Rodgers
  1253

Unusual Cracks and Pores in Breccia 15418 and Lunar Dunite 72415
D. Richter, R. Siegfried, G. Simmons
  1254

Petrologic Studies of Poikoloblastic Textured Rocks
W. I. Ridley, M.-L. Adams
  1255

Limits on the Bulk Composition on the Moon
A. E. Ringwood, S. E. Kesson
  1256

Impact, Large-Scale High Explosive, and Nuclear Cratering Mechanics: Experimental Analogs for Central Uplifts and Multiring Impact Craters
D. J. Roddy
  1257

Inferences Concerning the Thermal History of the Moon
S. K. Runcorn
  1258

The Geomagnetic Dynamos of the Moon and Venus: Comparisons with a Recent Scaling Law
C. T. Russell, B. E. Goldstein
  1259

Absolute CA Isotopic Compositions in a Lunar Soil
W. A. Russell, D. A. Papanastassiou, T. A. Tombrello
  1260

"Pre-Mare" Volcanism
G. Ryder, G. J. Taylor
  1261

Oxygen Fugacity Values of Some Apollo 16 and 17 Rocks
M. Sato
  1262

Spectral Mapping of Southern Tranquillitatis
R. S. Saunders, T. V. Johnson, D. L. Matson, R. J. Phillips
  1263

Microprobe Analysis of Micrometeoroid Impact Glasses
R. Schaal, F. Hoerz, R. V. Gibbons
  1264

The Scarcity of Mapple Flow Lobes on the Lunar Surface: Unique Morphology of the Imbrium Flows
G. C. Schaber, J. M. Boyce, H. J. Moore
  1265

Spatial Distribution of Rare Gases in Lunar Breccia 15426 and the Exposed Glass Surface of Rock 15205
O. A. Schaeffer, T. Plieninger, J. B. Hartung
  1266

Rb-Sr Evolution of the Lunar Crust
E. Schonfeld
  1267

Cr(III)-Cr(II) Distribution Coefficients in Synthetic Silicate Systems in Relation to the Partition of Chromium on the Moon
H. D. Schreiber, L. A. Haskin
  1268

High Resolution X-Ray Diffraction and Transmission Electron Microscopy Studies on Exsolution Phenomena of Lunar Pyroxenes from 14053
L. Schroepfer, W. F. Mueller, M. Korekawa, H. Jagodzinski
  1269

Degradation of Small Lunar Surface Features
P. H. Schultz, R. Greeley, D. E. Gault
  1270

Ancient Lunar Tides and the Emplacement of the Maria
P. H. Schultz, J. A. Burns, R. Greeley
  1271

Ring-Moat Structures: Preserved Flow Morphology on Lunar Maria
P. H. Schultz, R. Greeley
  1272

Redox Reactions Involving Nonvolatile Ionic Species as a Mechanism of Shock-Induced Subsolidus Reduction of Fe+2 in Plagioclase and Orthopyroxene: Indications from Norite 78235
C. B. Sclar, J. F. Bauer
  1273

The Role of Rim Slumping in the Modification of Lunar Crater Morphometry
M. Settle, J. W. Head
  1274

About Global Distribution Lunar Rocks
V. V. Shevchenko
  1275

On the Origin of KREEP Basalt
C.-Y. Shih
  1276

A Chemical Model for Mare Basalt Genesis
C.-Y. Shih, E. Schonfeld, L. A. Haskin
  1277

Correlations between Trapped and Spallogenic Light Noble Gases in Lunar Soils and Minerals
P. Signer, H. Baur, U. Derksen, Ph. Etique, H. Funk, P. Horn
  1278

Implications of Major Mineral Fractionation of Thorium and Uranium in Some Lunar Materials
L. T. Silver
  1279

Clast-Melt Interactions in Lunar and Terrestrial Impact Melts
C. H. Simonds, J. L. Warner, W. C. Phinney
  1280

Hydration and Loss of Low Temperature Volatiles from the Apollo 17 Orange and Black Soils
B. R. Simoneit, J. M. Neil, P. C. Wszolek, A. L. Burlingame
  1281

The Lunar Moment of Intertia Derived From Combined Doppler and Laser Ranging Data
W. S. Sinclair, W. L. Sjogren, J. G. Williams, A. J. Ferrari
  1282

Quantitative Mass Distribution Model for Mare Orientale
W. L. Sjogren, J. C. Smith
  1283

ALSEP-Quasar Differential VLBI
M. A. Slade, R. A. Preston, A. W. Harris, L. J. Skjerve, D. J. Spitzmesser
  1284

Distribution and Evolution of Global Color Provinces on the Moon
L. A. Soderblom, J. M. Boyce
  1285

Thermal Expansion and Thermal Stress in the Moon and Terrestrial Planets: Clues to Early Thermal History
S. C. Solomon, J. Chaiken
  1286

Mixed Electrical and Accretional Heating and the "Zero Age" Lunar Thermal Profile
C. P. Sonett, F. Herbert, M. J. Wiskerchen
  1287

Global Thermoremanent Magnetization of the Lunar Crust
L. J. Srnka
  1288

Ibitira Eucrite: Mineralogy and Comparison with Lunar Samples and Other Eucrites
I. M. Steele, J. V. Smith
  1289

Complex Breccia Studies: 14063
I. M. Steele, J. V. Smith
  1290

Size, Composition, and Provenance of Fragmental Particles in Apollo 14 Breccias
D. Stoeffler, H. D. Knoell, W. U. Reimold
  1291

Planetary Magnetism - Primordial or Dynamo?
D. W. Strangway, H. N. Sharpe, W. R. Peltier
  1292

Volcanism in Mare Orientale
A. L. Sukhanov
  1293

Characterization of Crust Formation on a Parent Body of Achondrites and the Moon by Pyroxene Crystallography and Chemistry
H. Takeda, T. Ishii, M. Miyamoto
  1294

On the Petrochemical Tendencies of the Formation of Deep and Superficial Lunar Rocks
L. S. Tarasov, A. F. Kudryashova, A. S. Gaverdovskaya
  1295

Experimental Subsolids Annealing of Selected Apollo 16 Rocks: Reequilibration of Native Feni Metal and Schreiberstie
L. A. Taylor, K. C. Misra, B. M. Walker
  1296

Geochemical Constraints on the Composition of the Moon
S. R. Taylor
  1297

Lunar Ball Games and Other Sports
F. Tera, G. J. Wasserburg
  1298

Sulphur Concentrations and Isotope Ratios in Grain Size Fractions of Lunar Fines
H. G. Thode, C. E. Rees
  1299

Internal Friction and Seismic Acoustic Velocity in Lunar Rock 70215,85 and Terrestrial Analog: Temperature and Vacuum Dependence
B. R. Tittmann, J. M. Curnow, H. Nadler, L. A. Ahlberg, R. M. Housley
  1300

Evolution of the Moon - Revisited
M. N. Toksoez, A. T. Hsui, D. Johnston
  1301

Detection of Paramagnetic Fe3+ and Radiation Damage Centers in Lunar Soils
F. D. Tsay, D. H. Live
  1302

Absence of the Shock-Induced Reduction of Fe2+ in Terrestrial Olivine
F. D. Tsay, D. H. Live, T. J. Ahrens
  1303

Characterization of Lunar Metallic Iron Phases By Electron Spin Resonance
F. D. Tsay, J. R. Norris, J. J. Katz
  1304

Electron Spin Resonance Studies of Synthetic Lunar Glasses: Absence of Magnetite in Lunar Soils
F. D. Tsay
  1305

Crystallization Kinetics, Viscous Flow and Thermal Histories of Lunar Breccias 15286 and 15498
D. R. Uhlmann, L. C. Klein
  1306

KREEP Basalt Instrusion Age: U-Th-Pb Systematics of Imbrium Consortium Samples
D. M. Unruh, M. Tatsumoto
  1307

Phase Relations of High-Titanium Mare Basalts as a Function of Oxygen Fugacity
T. M. Usselman, G. E. Lofgren
  1308

The Apollo 16 Drill Core: Petrology of Lithic and Mono-Mineralic Fragments
D. T. Vaniman, K. L. Cameron, J. J. Papike
  1309

40Ar-39Ar Study of a Clasts 12-1 from 67915
T. R. Venkatesan, E. C. Alexander Jr.
  1310

Agglutinate Formation: Is Chemical Fractionation Involved?
W. N. Via, L. A. Taylor
  1311

Composition of the Eucrite Parent Body
J. Vizgirda, E. Anders
  1312

Inert Gases Released from Apollo 11 and 12 Breccias
A. Walker, D. Heymann
  1313

Differentiation of a Thin Magma Body
D. Walker, J. Longhi, R. J. Kirkpatrick, J. F. Hays
  1314

Production of He, Ne, and AR Isotopes and U-236 by Solar Cosmic Ray Protons at Various Depth in Lunar Materials
J. R. Walton
  1315

Dissection Description of the Upper Apollo 17 Drill String
S. R. Waltz, J. S. Nagle
  1316

Refractory/Platinum Metal Grains in Allende Calcium-Aluminium-Rich Clasts (Carc's): Possible Exotic Presolar Material?
D. A. Wark, J. F. Lovering
  1317

Genetic Distinction Between Anorthosites and Mg-Rich Plutonic Rocks: New Data From 76255
J. L. Warner, C. H. Simonds, W. C. Phinney
  1318

Effects of Shock Impact and POST Shock Thermal History on Magnetic Remanence in Lunar Simulations and Meteorites
P. Wasilewski
  1319

Fecunditatis: Basin Structure and Mare Ridges
J. D. Waskom, R. A. Dehon
  1320

Volatile Compounds Released During Lunar Lava-Fountaining
J. T. Wasson, W. V. Boynton, L. L. Sundberg, C. M. Wai
  1321

Comparative Compositional Studies of Silicate Melt Inclusion, Bulk Chemical, and Experimental Data on Mare Basalts
P. W. Weiblen, E. Roedder
  1322

The Role of Large Impacts in the Formation of the Earth and Moon
G. W. Wetherill
  1323

Populations of Impacting Bodies in the Inner Solar System
E. A. Whitaker, R. G. Strom
  1324

Secondary Impact Craters of Lunar Basins
D. E. Wilhelms
  1325

Carbonaceous Chondritic Xenoliths and Planetary-Type Noble Gases in Gas-Rich Meteorites
L. L. Wilkening
  1326

Origin of Melts, Breccias and Rocks from the Apollo 17 Landing Site
S. R. Winzer, D. F. Nava, P. J. Schuhmann, S. Schuhmann, M. M. Lindstrom, R. K. L. Lum, D. J. Lindstrom, J. A. Philpotts
  1327

The Structure of the Moon at Depth Greater than 1000 KM
M. J. Wiskerchen, G. D. Parker, C. P. Sonett, G. Schubert, K. Schwartz
  1328

Haldane -- A Multi-Ringed Lunar Calders in Mare Symthii
R. W. Wolfe, F. El-Baz
  1329

Multi-Ring Basins on Mars, Mercury, and the Moon
C. A. Wood, J. W. Head
  1330

Electron Spectroscopic Studies of Ion-Bombardment Reduction
L. Yin, T. Tsang, I. Adler
  1331

Dating of Fresh Lunar Craters by Cosmogenic 22Na-26Al Studies and a Preliminary Study on the 26Al-53Mn Method
Y. Yokoyama, F. Guichard, J. L. Reyss, J. Sato
  1332

Evidence for a Shallow Regional Subsurface Discontinuity in Southern Mare Serenitatis
R. A. Young
  1333

The Morphological Evolution of Mare-Highland Contacts: A Potential Measure of Relative Mare Surface Age
R. A. Young
  1334

Ion Probe Analysis of Artificially Implanted Ions in Terrestrial Samples and Solar Wind Implanated Ions in Lunar Surface Samples
E. Zinner, R. M. Walker, J. Chaumont, J. C. Dran
  1335

Solar Flare Activity Record as Derived from Lunar Microcrater Data
H. A. Zook, J. B. Hartung, D. Storzer
  1336