Lunar and Planetary Institute






Sixth Lunar Science Conference

TABLE OF CONTENTS

no.

Spinel Symplectites: High-Pressure Solid-State Reaction or Late-Stage Magmatic Crystallization?
A. L. Albee, R. F. Dymek, D. J. Depaolo
  1001

Observations on 204Pb, Bi, TL and Zn in Apollo 17 Samples
R. O. Allen Jr., S. Jovanovic, G. W. Reed Jr.
  1002

Photoconductivity in Lunar Material
R. Alvarez
  1003

Farside Lunar Gravity From A Mass Point Model
M. P. Ananda
  1004

High Resolution Mapping of the Lunar Surface Remanent Magnetic Field by Energetic Electron Scattering
K. A. Anderson, R. P. Lin, R. E. McGuire, H. C. Howe, J. E. McCoy
  1005

Synthesis of Remote Sensing Data From the Tranquillitatis/Serenitatis Area
C. G. Andre, M. E. Hallam, P. E. Clark, M. H. Podwysocki, J. R. Weidner, I. Adler
  1006

A Monte Carlo Model for Lunar Surface Properties
J. R. Arnold
  1007

Persistent Internal Polarization of Lunar Dust-Implications for Behavior of Grains in Space
G. Arrhenius, S. K. Asunmaa
  1008

Lunar Surface Dynamics: Multiple Exposure Histories of Bench Crater Samples and Rates of Surface Processes
R. E. Arvidson, D. S. Burnett, R. J. Drozd, C. M. Hohenberg, C. J. Morgan, F. A. Podosek
  1009

Latitude Effects in Lunar Thermal Evolution
J. A. Bastin, R. V. Butt
  1010

Episodic Lunacy-VI: Trace Element Studies on Grain-Size Fractions of Lunar Soils and the A-17 Deep Drill Core
A. Bates, M. R. Coscio, V. R. Murthy
  1011

Nitrogen Abundances and Isotopic Compositions in Lunar Samples
R. H. Becker, R. N. Clayton
  1012

Cataclastic Plutonites: Possible Keys to the Evolutionary History of the Early Moon
P. M. Bell, H. K. Mao
  1013

Chemical and Petrologic Relations Among Lunar Highlands Rock Types
A. E. Bence, S. R. Taylor, P. M. Muir, W. B. Nance, R. Rudowski, N. Ware
  1014

The Lunar Ionosphere
J. Benson, J. W. Freeman, H. K. Hills, M. Ibrahim, H. Schneider
  1015

The Maturation of Lunar Dust Grains
J. L. Bertaut, J. P. Bibring, J. Borg, A. L. Burlingame, Y. Langevin, M. Maurette, F. C. Walls
  1016

Effects of Exposure Conditions on Cosmic-Ray Records in Lunar Rocks
S. K. Bhattacharya, N. Bhandari
  1017

Lunar Regolith and Gas-Rich Meteorites: Characterization Based on Grain Size Distribution and Radiation and Particle Bombardment Effects in Free Space
S. K. Bhattacharya, J. N. Goswami, D. Lal, P. P. Patel, M. N. Rao
  1018

Lunar Topography: Evidence for Global Scale Lateral Density Variations
B. G. Bills, A. J. Ferrari
  1019

On the Petrology and Structure of a Gravitationally Differentiated Moon of Fission Origin
A. Binder
  1020

A Geochemical and Petrographic Study of 1-2mm Fines from Apollo 17
D. P. Blanchard, R. L. Korotev, J. C. Brannon, J. W. Jacobs, L. A. Haskin, A. M. Reid, C. H. Donaldson, R. W. Brown
  1021

Long-Term Energy Spectrum of Solar Flare Iron-Group Particles
G. E. Blanford, R. M. Fruland, D. A. Morrison
  1022

Volatile Gases in Breccia 68115
D. D. Bogard, E. K. Gibson Jr.
  1023

Negative Gravity Anomalies on the Moon
C. Bowin
  1024

Scattering of Far Infrared Radiation by Lunar Fines
J. R. Bowling, M. J. Pugh, J. A. Bastin
  1025

Relative Age of Units in Mare Imbrium Based on A Quantitative Measure of Crater Degradation
J. M. Boyce, A. L. Dial
  1026

Surface Correlation of Volatile Elements in Apollo 16 Soils
W. V. Boynton, C. L. Chou, R. W. Bild, J. T. Wasson
  1027

Crystal Chemistry of PU and U and Concordant Fission Track Ages of Lunar Zircons and Whitlockites
D. Braddy, I. D. Hutcheon, P. B. Price
  1028

Magnetic Behavior of Shocked Granodiorites, With References to Lunar Rock Magnetism
A. Brecher, M. Klonowski, G. Simmons
  1029

Textural Remanence: A New Model of Lunar Rock Magnetism
A. Brecher
  1030

Evolution of Mare Smythii
W. J. Brennan
  1031

Reduction of Mare Basalts by Sulfur Loss
R. Brett
  1032

Radon Concentration at the Apollo 15 Landing Site
R. L. Brodzinski, J. C. Langford
  1033

Mineralogy and Petrology of Apollo 17 Basalts
G. M. Brown, A. Peckett, R. Phillips, C. H. Emeleus
  1034

Density, Chemistry and Size Distribution of Interplanetary Dust
D. E. Brownlee, F. Hoerz, J. B. Hartung, D. E. Gault
  1035

Volcano-Tectonic Features of Crater Goclenius
W. B. Bryan, P. A. Jezek, M. L. Adams
  1036

Annealing Studies on Fossil and Fresh Tracks in Lunar and Analogous Crystals
R. K. Bull, S. A. Durrani
  1037

Basaltic Achondrite Polymict Breccias: an Interpretation Based on Lunar Surface Breccia Criteria
T. E. Bunch
  1038

The Effect of Local Magnetic Fields on the Lunar Photoelectron layer While the Moon is in the Plasma Sheet
W. J. Burke, P. R. Moore
  1039

Extremal Inversion of Lunar Travel Time Data
N. Burkhard, D. D. Jackson
  1040

Electronic Absorption Spectroscopy as a Petrologic Probe of Lunar Materials
R. G. Burns, R. M. Abu-Eid, C.-M. Sung, D. J. Vaughan
  1041

Calculations and Measurements of Specific Gravities of Lunar Materials
D. A. Cadenhead, J. R. Stetter
  1042

Long-Term Water Vapor Weathering of Taurus Littrow Orange Soil: A Pore Structure Analysis
D. A. Cadenhead, R. Sh. Mikhail
  1043

The Gargantuan Basin-Some Implications
P. H. Cadogan
  1044

Surface Analysis of Rusty Particle 60002,108
J. L. Carter
  1045

Simulation Study of Solar Wind C and N
S. Chang, K. Lennon
  1046

Sulfur in Magnetic and Non-Magnetic Particles of Apollo 16 Soils
S. Chang, K. Lennon, G. Walberg
  1047

The Petrogenesis of 77115 and Its Xenocrysts: Description and Preliminary Interpretation
E. C. T. Chao, J. A. Minkin, C. L. Thompson
  1048

Volatiles on the Surface of Apollo 15 Green Glass and Volatile-Element Systematics in Soils From Edges of Mare Basins
C. L. Chou, W. V. Boynton, L. L. Sundberg, J. T. Wasson
  1049

Electron Petrography of Selected North Ray Crater Breccias
J. M. Christie, G. L. Nord, J. S. Lally, A. H. Heuer, R. M. Fisher, S. V. Radcliffe, D. T. Griggs
  1050

Lead Isotope Systematics of Soils and Soil Breccias From Taurus-Littrow
S. E. Church, G. R. Tilton
  1051

Ferromagnetic Resonance as A Method of Studying the Micrometeorite Bombardment History of Lunar Fines
E. H. Cirlin, I. B. Goldberg, R. M. Housley, R. A. Weeks, R. Perhac
  1052

Impact Processes and the Magnetism of the Regolith
S. M. Cisowski, M. Fuller, M. F. Rose, P. J. Wasilewski
  1053

Vapor-Phase Crystallization of Sulfides?
U. S. Clanton, J. L. Carter, D. S. McKay
  1054

Genetic Relations Between the Moon and Meteorites
R. N. Clayton, T. K. Mayeda
  1055

On Changes in the Ancient Lunar Magnetic Field Intensity
D. W. Collinson, S. K. Runcorn, A. Stephenson
  1056

Energy and Distances of Moonquakes at Apollo 17
M. R. Cooper, R. L. Kovach
  1057

Closed System Partial Melting of A K-Rich Highlands Rock
M. L. Crawford
  1058

Total Sulfur Contents of Apollo 15, 16, and 17 Samples
J. D. Cripe, C. B. Moore
  1059

Rosiwal and Regolithic Retention of Solar Wind Elements
D. R. Criswell
  1060

Processes of Sedimentation and Mixing in the Lunar Regolith Inferred From Neutron Fluence Measurements
D. B. Curtis, G. J. Wasserburg
  1061

The Structure of the Moon as Determined From Natural Lunar Seismic Events
A. M. Dainty, N. R. Goins, M. N. Toksoez
  1062

Simulation of Lunar Processes: I. The Formation of Acid-Hydrolysable Carbon Species By Ion Implantation?
P. R. Davis, C. T. Pillinger, G. Eglinton, H. Naziri, A. Stephenson
  1063

Mare Spumans and Mare Undarum: Structural and Depositional History
R. A. de Hon
  1064

The Apollo 16 Mare Component (Nectaris)
J. W. Delano
  1065

Carbon Isotope Contents of Size Fractions of 14240,17
D. J. Desmarais, A. Basu, J. M. Hayes, W. G. Meinschein
  1066

Petrology of Cataclastic Anorthosites From the Descartes Region of the Moon: Apollo 16
J. R. Dixon, J. J. Papike
  1067

Optical Polarization of Lunar Samples: The Negative Branch of Polarization
A. Dollfus, J. E. Geake
  1068

The Apollo 17 Deep Drill Core: A Possible Depositional Model
J. C. Dragon, N. L. Johnson, R. O. Pepin, A. Bates, M. R. Coscio Jr., V. R. Murthy
  1069

The Crystallization of Plagioclase Feldspar From Silicate Melt
M. J. Drake
  1070

Preliminary Report on the Petrology and Geochemistry of Lithic Fragments From the Apollo 15 Deep-Drill-Core
M. J. Drake, M. M. Lindstrom
  1071

A Multidisciplinary Microprobe Analysis of Lunar "Weathering"
J. C. Dran, J. P. Duraud, J. Klossa, Y. Langevin, M. Maurette
  1072

The "Theoretical" Solar Wind and Solar Flare Exposure Histories of Lunar Dust Grains
J. C. Dran, J. P. Duraud, G. Comstock, Y. Langevin, M. Maurette, B. Vassent
  1073

KR and Xe in Lunar Breccias
R. J. Drozd, C. M. Hohenberg, C. Morgan
  1074

Composition of the Lunar Interior: ANTS to 300 km?
A. Duba, A. J. Piwinskii
  1075

Meteoroid Flux From Long Period Lunar Seismic Data
F. K. Duennebier, J. Dorman, D. Lammlein, G. Latham, Y. Nakamura
  1076

Compositional Variability of the Apollo 15 Regolith
A. R. Duncan, M. K. Sher, Y. C. Abraham, A. J. Erlank, J. P. Willis, L. H. Ahrens
  1077

Petrology of Some Apollo 16 Feldspathic Basalts: KREEP Melt Rocks?
M. A. Dungan, B. N. Powell, P. W. Weiblen
  1078

Global Lunar Properties From Surface Magnetometer Measurements
P. Dyal, C. W. Parkin, W. D. Daily
  1079

A Petrologic Comparison of the Kapoeta Parent Planet With the Moon
R. F. Dymek, A. L. Albee, G. J. Wasserburg
  1080

Petrology of Apollo 17 Mare Basalt 74255
R. F. Dymek, A. L. Albee, A. A. Chodos
  1081

Kr81-Kr Exposure Ages of Some Apollo 14, Apollo 16 and Apollo 17 Rocks
P. Eberhardt, O. Eugster, J. Geiss, H. Graf, N. Groegler, M. Moergeli, A. Stettler
  1082

Chemical Studies of the Lunar Regolith With Emphasis on Zirconium and Hafnium
W. D. Ehmann, L. L. Chyi, B. R. Hawke, M.-S. Ma, M. D. Miller, R. A. Pacer
  1083

Correlations of Data on the East Side of the Moon
F. El-Baz, D. E. Wilhelms
  1084

Primordial Radioelements and Cosmogenic Radionuclides in Rocks and Soils From Descartes and Taurus-Littrow
J. S. Eldridge, G. D. O'Kelley, K. J. Northcutt
  1085

Subsolidus Reduction of Lunar Opaque Oxides: Evidence, Assemblages, Geochemical Relevance, and Evidence For A Late Stage Reducing Gaseous Mixture
A. El Goresy, P. Ramdohr
  1086

Taurus-Littrow TiO2-Rich Basalts: Opaque Mineralogy and Geochemistry
A. El Goresy, P. Ramdohr
  1087

Lunar Crater Chains of Non-Impact Origin
D. Eppler, G. H. Heiken
  1088

Carbon, Hydrogen, Oxygen, and Silicon Isotope Relationships in the Lunar Regolith
S. Epstein, H. P. Taylor Jr.
  1089

Solar Wind and Other Trapped Gases in Lunar Material
O. Eugster, P. Eberhardt, J. Geiss, N. Groegler, M. Jungck, M. Morgeli
  1090

A Comparison of Near and Farside Lunar Gravity
A. J. Ferrari
  1091

Observations on the Apollo 16 Ultrafines
R. B. Finkelman, R. P. Christian, M. Schnepfe, S. Berman
  1092

Solar-Wind Tritium Limit From Surveyor 3
E. L. Fireman, J. D'Amico, J. Defelice
  1093

Thermal Conductivity of Particulate Basalt: Sample Size <38 mum-5mm
J. A. Fountain, E. A. West
  1094

Amino Acid Precursors in Returned Lunar Samples From Apollo 17: Further Evaluation of Contamination
S. W. Fox, K. Harada, P. E. Hare
  1095

Diffusive Loss of Volume Correlated He and NE From 15421 Soil Feldspar
U. Frick, H. Baur, H. Funk, P. Signer
  1096

Primordial Radionuclide Variations in the Apollo 15 and 17 Deep Core Samples
J. S. Fruchter, L. A. Rancitelli, R. W. Perkins
  1097

The Isotopic Composition of Li, K and RB in Some Apollo 11, 12, 15, and 16 Samples
E. L. Garner, L. A. Machlan, I. L. Barnes
  1098

Late Thermal History of Lunar Anorthosite 67075: Evidence From Cation Order in Olivine and Orthopyroxene
S. Ghose, C. Wan, I. S. McCallum
  1099

Controlled Shock Experiments of Lunar Analogues
R. V. Gibbons, F. Hoerz, T. D. Thompson, T. J. Ahrens
  1100

Breccias and Crystalline Rocks From Apollo 16 Which Contain Carbonate-Like Phases
E. K. Gibson Jr., G. W. Moore
  1101

Carbon, Sulfur, Hydrogen, and Metallic Iron Abundances in Apollo 15 and Apollo 17 Basalts
E. K. Gibson Jr., S. Chang, K. Lennon, G. W. Moore, G. W. Pearce
  1102

Auger Analysis of the Lunar Soil: Study of Processes Which Change the Surface Chemistry and Albedo
T. Gold, E. Bilson, R. L. Baron
  1103

Extralunar Origin of the Lunar Soil
T. Gold
  1104

Hydrogen, Carbon, and Teflon on the Surfaces of Lunar Samples
R. H. Goldberg, D. S. Burnett, T. A. Tombrello, R. A. Weller
  1105

The Lunar Ionosphere: Model and Observations
B. E. Goldstein, C. T. Russell
  1106

The Structure and Thermal History of Five Large Metal Particles From the Lunar Regolith
J. I. Goldstein, H. J. Axon, S. O. Agrell
  1107

Charge Spectrum Analyses of Low Energy Solar Cosmic Ray Nuclei: (Z=20-40; Kinetic Energy <10 MeV/amu)
J. N. Goswami, D. Lal
  1108

A Model for the Emplacement of Lunar Basin-Filling Basalts
R. Greeley
  1109

Experimental Petrology and Petrogenesis of Apollo 17 Mare Basalts
D. H. Green, A. E. Ringwood, N. G. Ware, W. O. Hibberson
  1110

Modal Analyses, Grain Size Frequency Distributions and Scanning Electron Microscope Studies of Some Apollo 17 Fines
G. M. Greene, D. T. King Jr., G. S. Banholzer Jr., E. A. King
  1111

Magnetic Phases in Lunar Green and Orange Glass Droplets: Possible Relics of Mare Volcanism
D. L. Griscom, C. L. Marquardt, E. J. Friebele
  1112

Volatile Elements and High-Temperature Condensation
L. Grossman, R. Ganapathy
  1113

Geochemistry of Opaque Oxides in Troctolites and Basalts From Taurus Littrow
S. E. Haggerty
  1114

Fission Track Record of Apennine Front KREEP Basalts
E. L. Haines, I. D. Hutcheon, J. R. Weiss
  1115

Statistical Analysis of Al/Si Intensity Ratios As A Lunar Geochemical Mapping Technique
M. E. Hallam, C. G. Andre, P. E. Clark, M. H. Podwysocki, J. R. Weidner
  1116

On the Stability of the Thermal Models of the Moon
J. A. Hamed
  1117

Remanent Magnetism in Two Apollo 16 and Two Apollo 17 Rock Samples
R. B. Hargraves, N. F. Dorety
  1118

Origin of the Moon by Binary Accretion
A. W. Harris
  1119

Evidence for Early Solar System History From Lunar Craters and Implied Planetary Collisions
J. B. Hartung
  1120

Microcrater Investigations on Lunar Rock 12001
J. B. Hartung, D. Storzer, F. Hoerz
  1121

Observations on Titanium in Lunar Oxides and Silicates
J. D. Haselton, W. P. Nash
  1122

Geology of the Apollo 14 Region (Fra Mauro): Stratigraphic History and Sample Provenance
J. W. Head, B. R. Hawke
  1123

Morphology of Pyroclastic Lunar Volcanic Deposits: Implications for Eruption Conditions and Localized Sources of Volatiles
J. W. Head
  1124

Volume of Material Ejected From Major Lunar Basins: Implications for the Depth of Excavation of Lunar Samples
J. W. Head, M. Settle, R. Stein
  1125

Electrical Conductivity Studies: Refinement of the Selenotherm
H. C. Heard, A. Duba, A. J. Piwinskii, R. N. Schock
  1126

Comparison of Silicate and Metal Geothermometers for Lunar Rocks
R. H. Hewins, J. I. Goldstein
  1127

The Provenance of Metal in Anorthositic Rocks
R. H. Hewins, J. I. Goldstein
  1128

Light and Dark Soils at the Apollo 16 Landing Site
D. Heymann, J. R. Walton, J. L. Jordan
  1129

Ancient Meteoritic Component in Apollo 17 Boulders
H. Higuchi, J. W. Morgan
  1130

Differences of the Rare Gas Abundance Pattern Between Lunar Soils and Breccias
H. Hintenberger, L. Schultz, H. W. Weber
  1131

Rare Gases in Ilmenite and Bulk Samples of Apollo 17 Soils and Breccias
H. Hintenberger, L. Schultz, H. W. Weber
  1132

Lead-Lead Age and Trace Element Abundances in Lunar Troctolite 76535
J. R. Hinthorne, R. Conrad, C. A. Andersen
  1133

Implications of the Escape of Radiogenic Gases on the Internal Structure of the Moon
R. R. Hodges Jr., J. H. Hoffman
  1134

Nonthermal Escape of Helium From the Moon
R. R. Hodges Jr., J. H. Hoffman
  1135

Outline of A Model for Lunar Evolution
L. S. Hollister
  1136

Blocking of the Alteration Reaction Between Water and Lunar Fines
H. F. Holmes, R. B. Gammage
  1137

Surface Properties of A North Ray Crater Soil (Apollo 16)
H. F. Holmes, R. B. Gammage
  1138

Thermal Diffusivity of Three Apollo 17 Rock Samples: 70215,18, 77035,44 and 70017,77
K. Horai, J. Winkler
  1139

The Catastrophic Rupture of Lunar Rocks
F. Hoerz, D. E. Gault, E. Schneider, R. E. Hill, J. B. Hartung, D. E. Brownlee, R. V. Gibbons
  1140

The Ries Crater and Lunar Basin Deposits
F. Hoerz, H. Gall, R. Huettner, V. R. Oberbeck, R. H. Morrison
  1141

Reduced Fe Observed in ESCA Studies of Lunar Surface Chemistry
R. M. Housley, R. W. Grant
  1142

A Chemical and Physical Model for the Genesis of Lunar Rocks: Part I. Crustal Rock Types
N. J. Hubbard
  1143

A Chemical and Physical Model for the Genesis of Lunar Rocks: Part II Mare Basalts
N. J. Hubbard, J. W. Minear
  1144

Cooling History and Significance of Exsolved Pyroxene in Lunar Noritic Breccia 77215
J. S. Huebner, M. Ross, N. L. Hickling
  1145

Origin of the SiO2 Variation of Mare Basalt Melts
J. S. Huebner
  1146

Superparamagnetic Clusters of Fe2+ Spins in Lunar Olivines
G. P. Huffman, G. R. Dunmyre, R. M. Fisher
  1147

Trapped 40Ar in Troctolite 76535 and Evidence for Enhanced 40Ar-39Ar Age Plateaus
J. C. Huneke, G. J. Wasserburg
  1148

Microcraters in Oriented Vugs-Evidence for an Anisotropy in the Micrometeoroid Flux
I. D. Hutcheon
  1149

Temperature and Length of Storage of Surface Soil in the Shadow of Apollo 17 Boulders
F. S. W. Hwang, S. A. Durrani
  1150

Chemical and Petrographic Characteristics of Non-Mare Melt Rocks: Implications for Lunar Impact and Volcanic Processes
A. J. Irving
  1151

Diffuse Scattering by Domains in Lunar and Terrestrial Plagioclases
H. Jagodzinski, M. Korekawa
  1152

X-Ray Study of Clinopyroxenes of Lunar Basalts 75035 and 75075
H. Jagodzinski, M. Korekawa, W. F. Mueller, L. Schroepfer
  1153

Consortium Studies of Matrix of Light Gray Breccia 73215
O. B. James, K. Marti, D. Braddy, I. D. Hutcheon, A. Brecher, L. T. Silver, D. P. Blanchard, J. W. Jacobs, J. C. Brannon, R. L. Korotev, L. A. Haskin
  1154

Petrography of the Matrix of Light Gray (Consortium) Breccia 73215
O. B. James
  1155

39Ar-40Ar-Dating of Lunar Rocks: A Methodical Investigation of Mare Basalt 75075
E. K. Jessberger, P. Horn, T. Kirsten
  1156

Vidicon Spectral Images: A Geophysical Study of the Lamont Feature
T. V. Johnson, D. L. Matson, R. J. Phillips, R. S. Saunders
  1157

Fines From the Trench at Van Serg Crater: Evidence for "Recent" Mixing From Inert Gases
J. L. Jordan, D. Heymann
  1158

Inert Gas Systematics of Fines at the Apollo 17 Landing Site: Localized Regolith Deposits at Apollo 15, 16, and 17
J. L. Jordan, D. Heymann
  1159

Studies on Regolith Processes: Apollo 15 and 17 Labile Trace Element Implications
S. Jovanovic, G. W. Reed Jr.
  1160

Trace Elements in Residual Liquids as Clues to Source Magmas of Lunar Samples
S. Jovanovic, G. W. Reed Jr.
  1161

Simulation of Lunar Processes: II. Redistribution of Carbon in the Lunar Regolith During Meteorite Impact
A. J. T. Jull, P. R. Davis, G. Eglinton, L. R. Gardiner, J. R. Maxwell, C. T. Pillinger, G. M. Biggar, D. Humphries, B. D. Batts
  1162

Cosmic Ray Interactions With the Lunar Surface Simulated by Proton Bombardment of an Artificial Lunar Core Sample
W. A. Kaiser, W. Herr, U. Herpers, H. Kulus, R. Michel, P. Roesner, K. Thierl, H. Weigel
  1163

Implications of Origin Dynamics for Lunar Composition
W. M. Kaula
  1164

The Saturated Activities of Short-Lived Cosmogenic Radionuclides in Lunar Samples As A Function of Their Chemical Compositions
J. E. Keith, R. S. Clark, L. J. Bennett
  1165

Nitrogen in the Lunar Regolith: Solar Origin and Effects
J. F. Kerridge, I. R. Kaplan, C. Petrowski
  1166

The Effects of Al3+, Cr3+, and Ti3+ on the Stability of Armalcolite in Vacuum and at 7.5 kbar
S. E. Kesson, D. H. Lindsley
  1167

Melting Experiments on Synthetic Mare Basalts and Their Petrogenetic Implications
S. E. Kesson
  1168

Some Differences in Natural and Simulated Tracks in Lunar Crystals
H. A. Khan, S. A. Durrani
  1169

Viscous Flow, Crystalization Behavior and Thermal History of Lunar Braccias 70019 and 79155
L. Klein, D. R. Uhlmann, R. W. Hopper
  1170

Problems in the Charge Assignment to Fossil Cosmic Ray Ion Tracks in Lunar Minerals
W. Kraetschmer, W. Gentner
  1171

Evidence of Gaseous 222Radon Between Fines Grains Within Lunar Regolith
G. Lambert, J. C. Le Roulley, P. Bristeau
  1172

Chemical Composition of Apollo 17 Samples: Boulder Breccias (2), Rake Breccias (8), and Others
J. C. Laul, R. A. Schmitt
  1173

Chemical Composition of 18 Apollo 17 Rake Basalts and One Basalt Breccia
J. C. Laul, R. A. Schmitt, M. Robyn, G. G. Goles
  1174

Dunite 72417: A Chemical Study
J. C. Laul, R. A. Schmitt
  1175

Rare Gases From Etched 10084 Ilmenite
D. A. Leich, S. Niemeyer, R. S. Rajan, B. Srinivasan
  1176

Rare Gas Studies on Boulder 1, Station 2, Apollo 17
D. A. Leich, S. B. Kahl, A. R. Kirschbaum, S. Niemeyer, D. Phinney
  1177

Trapped Xenon From Anorthosites 60015
D. A. Leich, S. Niemeyer
  1178

The Record of the Meteoroid Flux in the Lunar Soil
J. F. Lindsay
  1179

Equilibrium Relations Among Iron-Titanium Oxides in Silicate Melts: The System CaMgSi2O6-"FeO"-TiO2 in Equilibrium With Metallic Iron
B. R. Lipin, A. Muan
  1180

Metal-Metal Charge Transfer in Lunar Materials: Interpretation of Visible-Region Spectra of Ti-Rich Areas of the Moon
B. M. Loeffler, R. G. Burns, K. H. Johnson, J. A. Tossell
  1181

Cooling History of Apollo 15 Quartz Normative Basalts Determined From Cooling Rate Experiments
G. E. Lofgren, T. M. Usselman, C. Donaldson
  1182

The Lunar Crust: Chemically Defined Rock Groups and Their K-U Fractionation
J. F. Lovering, D. A. Wark
  1183

Crustal Evolution of the Moon, Mars, and Mercury: Implications for the Origin of Continents
P. D. Lowman Jr.
  1184

Basins on the Lunar North Side
B. K. Lucchitta
  1185

Crater and "Dark Mantle" Studies in the Taurus-Littrow Area
B. K. Lucchitta, A. G. Sanchez
  1186

Far Ultraviolet Albedo of the Moon From Apollo 17
R. L. Lucke, R. C. Henry, W. G. Fastie
  1187

Sm-Nd Age of Apollo 17 Basalt 75075: Two-Stage Igneous Processes in Mare Basalt Genesis
G. W. Lugmair, N. B. Scheinin, K. Marti
  1188

Petrology of Noritic Cumulates: Samples 78235 and 78238
I. S. McCallum, E. A. Mathez, F. P. Okamura, S. Ghose
  1189

Photometric Evidence of Light Scattering Above the Lunar Terminator From Apollo Orbital Corona Photography
J. E. McCoy, C. L. Ross, D. R. Criswell
  1190

Solar Wind Sputter Erosion on the Lunar Surface: Evidence of Time Variant Micropraticle Influx Rate
J. A. M. McDonnell, W. C. Carey
  1191

Microcraters Observed on 15015 Breccia and Micrometeoroid Flux
J. C. Mandeville
  1192

Comparative 238U-206Pb, 235U-207Pb, 232Th-208Pb, 206Pb-207Pb and 87Rb-87Sr Ages of Basaltic Achondrites and Early Evolution of the Solar System
G. Manhes, M. Tatsumoto, D. Unruh, J. L. Birck, C. J. Allegre
  1193

Chemical Reduction of Glasses in Breccia 70019,93: The Most Reduced Apollo Sample
H. K. Mao, P. M. Bell, S. E. Haggerty
  1194

Frequency Distribution of Al/Si Intensity Ratios From the Orbital Apollo 15 and 16 X-Ray Fluorescence Experiment
D. F. Nava, P. J. Schuhmann, J. A. Philpotts
  1195

Chronology of Lunar Cratering
G. Neukum, B. Koenig, D. Storzer, H. Fechtig
  1196

Substructures in Lunar Clinopyroxenes as Petrologic Indicators
G. L. Nord Jr., A. H. Heuer, J. S. Lally, J. M. Christie
  1197

PB Loss From Apollo 17 Glassy Samples and Apollo 16 Revisited
P. D. Nunes, M. Tatsumoto
  1198

U-Th-Pb Systematics of Anorthositic Gabbro 78155
P. D. Nunes, M. Tatsumoto
  1199

Rb-Sr Ages and Initial 87Sr/86Sr for Apollo 17 Basalts and KREEP Basalt 15386
L. E. Nyquist, B. M. Bansal, H. Wiesmann
  1200

Preliminary Analysis of the Topography of A Segment of Davy Catena
V. R. Oberbeck, R. Greeley
  1201

Analysis of Composition Variations in High Titanium Basalts and Related Materials
M. J. O'Hara, D. J. Humphries
  1202

Armalcolite Crystallization, Phenocryst Assemblages, Eruption Conditions and Origin of Eleven High Titanium Basalts From Taurus Littrow
M. J. O'Hara, D. J. Humphries
  1203

Shock Metamorphic Effects From A Basin-Forming Impact on the Moon
J. D. O'Keefe, T. J. Ahrens
  1204

Electrical Properties and Water in Lunar Soil
G. R. Olhoeft, D. W. Strangway, A. P. Annan
  1205

Lunar Differentiation Processes as Deduced From Trace Element Abundances
H. Palme, H. Waenke
  1206

A Rb-Sr Study of Apollo 17 Boulder 3: Dunite Clast, Microclasts, and Matrix
D. A. Papanastassiou, G. J. Wasserburg
  1207

Reduction of Iron and Regolith Soil Maturity
G. W. Pearce, W. A. Gose, J. Lindsay
  1208

Geological and Geochemical Units of Mare Humorum: Further Definition Using Remote Sensing and Lunar Sample Information
C. Pieters, J. W. Head, T. B. McCord, J. B. Adams, S. Zisk
  1209

The Opening and Preliminary Examination of the Apollo 16 Contact Surface Samples
C. T. Pillinger, A. P. Gowar
  1210

Surface Exposure History of Individual Crystals in the Lunar Regolith
G. Poupeau, R. M. Walker, D. A. Morrison
  1211

Crystal Structures of Meteoritic and Lunar Whitlockites
C. T. Prewitt, D. R. Rothbard
  1212

Track Studies Bearing on Solar System Regoliths
P. B. Price, D. Braddy, I. D. Hutcheon, D. MacDougall
  1213

Chemical Evolution of the Moon: A Chondritic Composition of the Moon's Initial Mantle and Importance of the Initial Differentiation
A. Provost, M. Loubet, N. Shimizu, C. J. Allegre
  1214

Cosmogenic Isotope Production in Apollo Deep Core Samples
L. A. Rancitelli, J. S. Fruchter, W. D. Felix, R. W. Perkins
  1215

Lunar Nightside Electron Fluxes
D. L. Reasoner
  1216

A Comparison of Several Cratering Equations
D. E. Rehfuss, J. C. Anselmo, N. K. Kincheloe
  1217

An Impact Heating Model Normalized To Nuclear Experiments
D. E. Rehfuss, N. K. Kincheloe, J. C. Anselmo
  1218

The Chemistry of Agglutinate Fractions in Lunar Soils
J. M. Rhodes, J. B. Adams, M. B. Charette, K. V. Rodgers
  1219

Petrology of Aluminous Mare Basalts in Breccia 14063
W. I. Ridley
  1220

Petrology of Apollo 15 Breccia 15459
W. I. Ridley
  1221

Composition and Origin of the Moon
A. E. Ringwood
  1222

Mare Basalt Petrogenesis
A. E. Ringwood, D. H. Green
  1223

Meteor Crater, Arizona Rim Drilling, Volume, Thickness, Depth, and Energy Calculations
D. J. Roddy, J. M. Boyce, G. W. Colton, A. L. Dial
  1224

Anomalous Low-K Silicate Melt Inclusions in Ilmenite From Apollo 17 Basalts
E. Roedder, P. W. Weiblen
  1225

Major Elemental Analysis of Some Apollo 15, 16 and 17 Samples
H. J. Rose Jr., R. P. Christian, E. J. Dwornik, M. M. Schnepfe
  1226

Estimation of the Minimum Temperature for Coexistence of Orthopyroxene, Pigeonite, and Augite and Its Application To Prediction of Temperatures of Crystallization of Lunar Pyroxenes
M. Ross, J. S. Huebner
  1227

Solid State Convection in the Moon
S. K. Runcorn
  1228

Low Altitude Lunar Magnetic Field Observations
C. T. Russell, P. J. Coleman Jr., B. K. Fleming, L. Hilburn, B. R. Lichtenstein, G. Schubert
  1229

Origin of Lunar Granites as Immiscible Liquids
M. J. Rutherford, P. C. Hess
  1230

Chemical Sorting of Mineral Compositions in Lunar Rocks
S. K. Saxena, M. Deb, R. Cox
  1231

Statistical Comparison of the Chemistry of Lunar and Terrestrial Rocks
S. K. Saxena, A. Benimoff, N. Pingitore
  1232

The Petrology of Two Coarse-Grained Clasts in Breccia Sample 60255
J. Schaeffer, L. S. Hollister
  1233

The Duration of Volcanism in the Taurus-Littrow Region and Ages of Highland Rocks Returned by Apollo 17
O. A. Schaeffer, L. Husain
  1234

The Electrical Conductivity of Polycrystalline Olivine to 5.0 GPa (50 Kbar)
R. N. Schock, A. Duba, H. C. Heard, H. D. Stromberg
  1235

Component Abundances in Apollo 15 Soils and Breccias by the Mixing Model Technique
E. Schonfeld
  1236

A Model for Anorthositic Gabbros
E. Schonfeld
  1237

Solid-Liquid Equilibria Involving Spinels, Ilmenite and Pseudo Brookite in the System "FeO" Al2O3-TiO2 in Contact with Metallic Iron
W. A. Schreifels, A. Muan
  1238

Lunar Electrical Conductivity Profiles From Inversions of Day-Night Transfer Functions Using an Asymmetric Theory
G. Schubert, B. F. Smith, C. P. Sonett, K. Schwartz, D. S. Colburn
  1239

Morphological Constraints on Degradational and Endogenetic Processes
P. H. Schultz
  1240

Seismically Induced Modification of Lunar Surface Features
P. H. Schultz, D. E. Gault
  1241

Shock-Induced Exsolution in Rock-Forming Minerals: Electron Petrography of an Experimentally Shocked Ilmenite-Hematite Solid Solution
C. B. Sclar, J. F. Bauer
  1242

Shock-Induced Subsolidus Reduction-Decomposition of Orthopyroxene and Shock-Induced Melting in Norite 78235
C. B. Sclar, J. F. Bauer
  1243

The Geologic Evaluation and Regional Synthesis of Metric and Panoramic Photographs
D. H. Scott, J. M. Diaz, J. A. Watkins
  1244

On the Origin of High-Ti Mare Basalts
C.-Y. Shih, H. W. Wiesmann, L. A. Haskin
  1245

Volatile Lead Components in Lunar Regolith at the Apollo Mare Sites
L. T. Silver
  1246

Characterization of Microcracks in Lunar Igneous Rocks
G. Simmons, D. Richter, R. Siegfried
  1247

The Petrology of the Apennine Front Revisited
C. H. Simonds, J. L. Warner, W. C. Phinney
  1248

Thermal Regimes in Crater Debris As Deduced From the Petrology of Apollo 17 Station 6 Boulder and Rake Samples
C. H. Simonds, W. C. Phinney, J. L. Warner, G. H. Heiken
  1249

Lunar Maria Figure
W. L. Sjogren, W. R. Wollenhaupt
  1250

Comprehensive Petrologic Model Based on Total Melting of Low Volatile Ultrabasic Moon
J. V. Smith, I. M. Steele
  1251

A Crystal Structure Refinement of an Anomalous Lunar Anorthite
J. R. Smyth
  1252

Shock-Induced Deformation Features in Terrestrial Olivine and Lunar Dunite
L. W. Snee, T. J. Ahrens
  1253

Mare Volcanism and Lunar Crustal Structure
S. C. Solomon
  1254

Lunar Touchstones: I Minerals
I. M. Steele, J. V. Smith
  1255

Lunar Touchstones: III Rock Types
I. M. Steele, J. V. Smith
  1256

Age Sequence in the Apollo 17 Station 7 Boulder
A. Stettler, P. Eberhardt, J. Geiss, N. Groegler, S. Guggisberg
  1257

Apollonian Metamorphic Rocks -- The Products of Prolonged Subsolidus Equilibration
D. B. Stewart
  1258

The Photogeology and Basin Configuration of Mare Smythii
H. E. Stewart, J. D. Waskom, R. A. de Hon
  1259

Lunar Granite Clasts With Unique Ternary Feldspars
D. B. Stoeser, G. Ryder, U. B. Marvin
  1260

Big Muley 61016: Multiphase Shock and Crystallization History of A Composite Troctolitic-Anorthositic Rock
D. Stoeffler, S. Schulien, R. Ostertag
  1261

Sinuous Rilles of the Harbinger Mountains Region of the Moon
P. Strain, F. El-Baz
  1262

Lunar Magnetic Anomalies
D. W. Strangway, J. C. Rylaarsdam, A. P. Annan
  1263

Relative Cooling Rates of Mare Basalts at the Apollo 12 and 15 Sites As Deduced From Crystallographic and Chemical Studies of the Pyroxenes
H. Takeda, M. Miyamoto, T. Ishii
  1264

Typical Processes of Exsolution, Decomposition and Inversion of Pyroxenes and Its Bearing on Thermal History of Lunar Rocks
H. Takeda, T. Ishii
  1265

Absolute Cooling Rates of Lunar Rocks Based on the Kinetics of Zr Diffusion in Opaque Oxides: Applications to Apollo 15 Rocks From Elbow Crater
L. A. Taylor, D. R. Uhlmann, R. W. Hopper, K. C. Misra
  1266

Mineralogy and Petrology of Apollo 15 Rock 15075
L. A. Taylor, K. C. Misra
  1267

Petrogenesis of the Lunar Highland Crust
S. R. Taylor, A. E. Bence
  1268

The Evolution and History of Mare Basalts as Inferred From U-Th-Pb Systematics
F. Tera, G. J. Wasserburg
  1269

Magnetic Properties of Lunar Ilmenite
A. N. Thorpe, F. E. Senftle, C. Briggs, C. Alexander, J. Minkin
  1270

Internal Friction Quality Factor >3100 Achieved in Lunar Rock 70215,85
B. R. Tittmann, R. M. Housley, M. Abdel-Gawad
  1271

Thermal Evolution and the Present State of the Moon and Terrestrial Planets
M. N. Toksoez, D. H. Johnston, J. W. Minear
  1272

Analytic Methods in Determining Elemental Composition From the Apollo Gamma-Ray Spectrometer Data
J. I. Trombka, R. C. Reedy, M. J. Bielefeld, A. E. Metzger, J. R. Arnold, C. S. Dyer, S. M. Seltzer
  1273

Ferromagnetic Resonance As A Geothermometer For Probing The Thermal History of Lunar Samples
F. D. Tsay, A. J. Bauman
  1274

Could an Earth-Moon Close Approach Be Responsible For Mare Formation?
D. L. Turcotte
  1275

The History of Lunar Basin Formation Inferred From 40Ar-39Ar Dating of Highland Rocks
G. Turner, P. H. Cadogan
  1276

The Formation of Lunar Breccias: Sintering and Crystallization Kinetics
D. R. Uhlmann, L. Klein, R. W. Hopper
  1277

Distribution of Ejecta From South Ray Crater
G. E. Ulrich, H. J. Moore, V. S. Reed, E. W. Wolfe, K. B. Larson
  1278

Experimentally Reproduced Textures and Mineral Chemistries of High Titanium Mare Basalts
T. M. Usselman, G. E. Lofgren, C. Donaldson, R. J. Williams
  1279

Differentiation of A Very Thick Magma Body
D. Walker, J. Longhi, J. F. Hays
  1280

12002 Revisited
D. Walker, R. J. Kirkpatrick, J. Longhi, J. F. Hays
  1281

New Data on the Chemistry of Lunar Samples and About the Major Element Composition of KREEP
H. Waenke, H. Palme, H. Baddenhausen, G. Dreibus, E. Jagoutz, H. Kruse, B. Spettel, F. Teschke, R. Thacker
  1282

Primary Matter in the Lunar Highlands
H. Waenke, H. Kruse, H. Palme
  1283

Mineralogy and Petrology of Mare Basalts From Apollo 17 Rake Samples
R. Warner, M. Prinz, K. Keil
  1284

Rock Physics Studies of Lunar Crustal Materials
N. Warren, R. Trice
  1285

Wrinkle Ridges and Mare Basin Structure
J. D. Waskom
  1286

Temporal Decrease of Siderophile/Iridium Ratios in Mature Lunar Soils
J. T. Wasson, C. L. Chou, W. V. Boynton, P. A. Baedecker
  1287

Structure and Chemistry of Lunar and Synthetic Armalcolite
B. A. Wechsler, C. T. Prewitt, J. J. Papike
  1288

Major and Trace Element Trends During Minor Experiments on the Crystallization of Lunar Melts
D. F. Weill, G. A. McKay
  1289

Late Heavy Bombardment of the Moon and Terrestrial Planets
G. W. Wetherill
  1290

Regolith Stirring and Exposure: 3-Dimensional Study
G. J. Williams, T. Gold
  1291

Large Ion Lithophile Trace Element Abundances in Phases From 78235,34, A Lunar Norite Cumlate
S. R. Winzer, R. K. L. Lum, S. Schuhamann, J. A. Philpotts
  1292

Origin of the Taurus-Littrow Massifs
E. W. Wolfe, V. S. Reed
  1293

Tidal Dissipation: A Possible Heat Source For Mare Basalt Magmas
D. R. Wones, H. R. Shaw
  1294

Lunar Petrogenesis in A Well-Stirred Magma Ocean
J. A. Wood
  1295

ESCA Studies of Simulated Solar-Wind Reduction
L. Yin, T. Tsang, I. Adler
  1296

22Na-26Al Studies of Lunar Regolith
Y. Yokoyama, J. L. Reyss, F. Guichard
  1297

Mare Crater Size-Frequency Distributions: Implications For Relative Surface Ages and Regolith Development
R. A. Young
  1298

Ion-Probe Measurements of Artificially Implanted Ions in Lunar Samples
E. Zinner, R. M. Walker, M. Maurette
  1299

An Examination of the Aristarchus Area by Remote-Sensing Measurements
S. H. Zisk, C. A. Hodges, E. A. Whitaker, H. J. Moore, R. W. Shorthill, T. W. Thompson, D. E. Wilhelms
  1300

The State of Meteoritic Material On The Moon
H. A. Zook
  1301