Meteorites to appear in The Meteoritical Bulletin, No. 81, 1997 July

JEFFREY N. GROSSMAN

U.S. Geological Survey, MS 954, Reston, Virginia, 20192 USA.

Albion 46°50'N 117°15'W
Whitman County, Washington State, USA
Location map
Found 1966
Iron, fine octahedrite (group IVA)
A single 12.28 kg mass was found on a wheat farm by K. Oliphant. Description and classification (C. F. Lewis, ASU; J. T. Wasson, UCLA): bulk composition, 8.20 wt.% Ni, 2.04 ppm Ga; bandwidth ~0.3 mm; very similar to Gibeon in composition and appearance, but contains vugs with botryoidal linings (see Marvin et al., 1996). Specimens: type specimen, ASU; main mass, unknown.

Batesland 43°8'N 102°6'W
Bennett County, South Dakota, USA
Found 1961, Spring
Ordinary chondrite (H5)
A 2.5 kg stone was found in a shallow depression, and used as a paperweight for 35 years. Mineralogy, classification and description (M. Zolensky, JSC; J. Martin, OML): olivine, Fa19; pyroxene, Fs16.5; shock stage S2; surface slightly weathered, with fusion crust still evident. Specimens: main mass, John Martin, OML; type thin section, JSC.

Caldwell Classification. Caldwell is listed by Graham et al. (1985) as a chondrite. It has now been classified by A. Rubin (UCLA) as an L chondrite impact-melt breccia. Mineralogy: olivine, Fa24.6; low-Ca pyroxene, Fs20.5Wo2.0; contains abundant melt and recrystallized silicates.

Cleo Springs 36°26'N 98°26'W
Major County, Oklahoma, USA
Found early 1960s
Ordinary chondrite (H4)
A 24 kg stone was found by a farmer in a wheat field, and used as a plow weight. Mineralogy, classification and description (M. Zolensky, JSC; J. Martin, OML): olivine, Fa18; pyroxene, Fs21; meteorite is significantly weathered; chondrules contain turbid plagioclase and glass; shock stage S2. Specimens: type specimen, 20 g, JSC; main mass, Reed.

Davy (a), reclassification.
See Davy (b)

Davy (b) 29°0'30"N 97°42'20"W
De Witt County, Texas, USA
Found before 1981
Ordinary chondrite (H4)
A 3.77 kg stone was found by Mr. Raymond Kyrisch. The meteorite formerly known as Davy will henceforth by called Davy (a), and is now reclassified as an L4 chondrite (shock stage S2, weathering grade W4). Mineralogy and classification of Davy (b) (T. J. McCoy, JSC; A. J. Ehlmann, TCU): olivine, Fa18.6; pyroxene, Fs16.3; shock stage S2; weathering grade W2. See McCoy and Ehlmann (1996) for details. Specimens: main mass, TCU.

Forestburg (a), classification.
See Forestburg (b)

Forestburg (b) 33°29'44"N 97°35'19"W
Montague County, Texas, USA
Found 1957
Ordinary chondrite (L5)
A 26.6 kg stone was found in a dry creek bed by Mr. Willard Freeman; the stone may have been transported by water. The 26.1 kg meteorite called Forestburg in Graham et al. (1985) is now classified as an L4 chondrite (shock stage S2, weathering grade W4), and will henceforth be designated as Forestburg (a); these two L chondrites are not paired. Mineralogy and classification of Forestburg (b) (T. J. McCoy, JSC; A. J. Ehlmann, TCU): olivine, Fa25.8; pyroxene, Fs21.6; shock stage S5, weathering grade W1; the chondrite is shock blackened and contains impact melt clasts. See McCoy and Ehlmann (1996) for details. Specimens: TCU.

Greaterville 31°45.7'N 110°45.0'W
Pima County, Arizona, USA
Location map
Found 1995, November
Ordinary chondrite (L4)
A 48 g stone was found by Professor J. Kriegh (Emeritus, University of Arizona), who was prospecting for gold with a metal detector. Mineralogy and classification (D. A. Kring, UAz): olivine, Fa24; pyroxene, Fs20; kamacite, 0.76 wt.% Co; may be fragment of larger stone. Specimens: type specimen, 6 g, UAz; 6 g, Haag; main mass with finder.

Hadley Rille Lunar: 26°26.0'N 3°39.33'E
The Moon
Found 1971 July-August
Enstatite chondrite (EH).
An object in the 1-2 mm size fraction of soil sample 15602,29 was recovered by Apollo 15 astronauts at Station 9, near Hadley Rille; the original mass, estimated from the thin section, was ~3 mg. Mineralogy and classification (Haggerty, 1972, and A. Rubin, UCLA): contains enstatite, kamacite (2.9-3.2% Si), niningerite, silica, schreibersite, troilite, albite, and daubreelite. Specimen: Lunar Sample Curator, JSC.

Hot Springs 39°40'N 118°58'W
Churchill County, Nevada, USA
Found 1995, March 8
Iron, medium octahedrite (IIIAB)
A mass of 4.7 kg was found by Mr. F. Keiper, who had been dirt biking in a steep canyon. Description and classification (D. A. Kring, UAz; J.T. Wasson, UCLA): bulk composition, 7.77 wt.% Ni, 18.2 ppm Ga, 4.66 ppm As, 0.716 ppm Au; bandwidth 0.97 mm; well-preserved fusion crust and little weathering. Specimens: main mass, UNR; type specimen, 61.6 g, ASU; 57 g, UCLA; 21.7 g, SI.

Kansas University Unknown
Kansas, USA, possibly near Lawrence
Found in early 1900's, recognized 1990
Ordinary chondrite (L6)
A 2.8 kg stone was found by H. T. Martin, the former Curator of Paleontology at the University of Kansas, while searching for fossils. Classification and mineralogy (D. Schneider, P. Benoit, D. W. G. Sears, and S. Symes, UArk): olivine, Fa26+2; shock stage S3; meteorite has fresh fusion crust. Specimens: type specimen, UArk; main mass, William H. Martin, Jr.

Mont Dieu 49°33'N 4°52'E
Ardennes, France
First piece found 1994 July
Iron, fine octahedrite (ungrouped)
A man found a 45 kg rusted mass in the forest of Mont Dieu. Subsequently, many other fragments were found (~50), ranging up to 95 kg. Total mass >360 kg. Classification and description (J.T. Wasson, UCLA; C. Perron, MNHNP): bulk metal composition, 0.434 wt.% Co, 7.55 wt.% Ni, 23.2 ppm Ga, 63 ppm Ge, 8.3 ppm As, 4.9 ppm Ir, 0.861 ppm Au (outside ranges of established groups); Widmanstätten pattern irregular; contains abundant troilite and schreibersite, and rare chromite, silicate, metallic Cu; all fragments deeply rusted. See Desrousseaux et al. (1996) for details. Specimens: half of total mass, MNHNP; remainder with private collectors.

Renfrow 36°59.2'N 97°33.3'W
Grant County, Oklahoma, USA
Found ~1986, recognized 1995
Ordinary chondrite (L6)
An 81.6 kg stone was found while terracing a previously unfarmed hillside. Mineralogy (J. Clark, ASU) and classification (A. Rubin, UCLA): Olivine, Fa23.5-24.9; shock stage S5; contains 60 mm grains of maskelynite. Specimens: ~half of main mass, Reed; ~half of main mass, Cilz; type specimen, UCLA.

Rumanová 48°20.88'N 17°51.96'E
Slovakia
Location map
Found 1994 August
Ordinary chondrite (H5)
An 4.3 kg stone was found by Jozef Tehlár in a grain field at harvest time. Mineralogy and classification (P. Siman and I. Rojkovic, SAS): olivine, Fa18.5-19.0; abundant terrestrial weathering products. Specimens: main mass, SNM; type specimen, SAS.

Ryan Field 32°8'N 111°8'W
Pima County, Arizona, USA
Location map
Found 1982, February 2
Ordinary chondrite (H5)
An 8.9 g stone was found in a wash by Gordon Nelson while hunting for meteorites. Mineralogy and classification (P. Sipiera and Y. Kawachi, Harper): olivine, Fa20; pyroxene, Fs18. Specimens: Harper.

Sharon Springs 38°46.25'N 101°47.9'W
Wallace County, Kansas, USA
Found ~1983
Ordinary chondrite (L6)
A 23.4 kg stone was found in a roadside ditch. Mineralogy and classification (A. Brearley, UNM): olivine, Fa25.0; shock stage S3. Specimens: main mass, Reed; type specimen, UNM.

Sierra Colorada 40°48'S 67°29'W
Rio Negro Province, Argentina
Found 1995, May 7.
Ordinary chondrite (L5)
A 71.3 kg stone was found by a rancher while tending cattle. Mineralogy and classification (C. Lewis and J. Clark, ASU; J. Saxton, UMan; K. Metzler, Museum für Naturkunde, Berlin): olivine, Fa24-26; pyroxene, Fs26; contains inclusions up to several mm in size that have little pyroxene. Specimens: main mass, Killgore; 1.6 kg, SI; 1.5 kg, MPI; 30 g, UMan.

Willcox Playa 32°7.5'N 109°50'W
Cochise County, Arizona, USA
Found 1979, December 22
Ordinary chondrite (H4)
A 61.5 g complete stone was found on a playa by Gordon Nelson while hunting for meteorites. Mineralogy and classification (P. Sipiera and Y. Kawachi, Harper): olivine, Fa20.3; pyroxene, Fs17.2. Specimens: Harper.

Addresses of Collections in which meteorites are deposited:

ASU: Center for Meteorite Studies, Arizona State University, Box 872504, Tempe, AZ 85287, USA.
Cilz: Marlin Cilz, Montana Meteorite Lab, Box 1063, Malta, MT 59538, USA.
Haag: Robert Haag, P.O. Box 27527, Tucson, AZ 85726, USA.
Harper: Planetary Studies Foundation, c/o Harper College, Schmitt Meteorite Research Group, 1200 W. Algonquin Rd., Palatine, IL 60067, USA
JSC: Johnson Space Center, Houston, TX 77058, USA
Killgore: M. and K. Killgore, Southwest Meteorite Laboratory, P.O. Box 95, Payson, AZ 85547
MNHNP: Museum National d'Histoire Naturelle, Paris, France.
MPI: Max Planck Institut für Chemie, Mainz, Germany.
OML: Oklahoma Meteorite Laboratory, P.O. Box 1923, Stillwater, OK 74076, USA.
Reed: Blaine Reed, 907 County Road 207 #17, Durango, CO 81301, USA
SAS: Astronomical Institute, Slovak Academy of Sciences, Dúbravská 9, 842 28 Bratislava, Slovakia.
SI: National Museum of Natural History, Smithsonian Institution, Washington, DC 20560.
SNM: Slovak National Museum, Vajanského nábrezie 2, 814 36 Bratislava, Slovakia.
TCU: Oscar E. Monnig Collection, Dept. of Geology, Texas Christian University, Ft. Worth, Texas 76129.
UArk: Cosmochemistry Group, Dept. Chemistry & Biochemistry, University of Arkansas, Fayetteville, AR, 72701;
UAz: Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90024, USA.
UMan: University of Manchester, Manchester, UK.
UNM: Institute of Meteoritics, University of New Mexico, Albuquerque, NM 87131, USA.
UNR: Fleischmann Planetarium, University of Nevada, Reno, NV 89557

References

  • Desrousseaux A., Doukhan J.C., Fieni C., Perron C., Jeannot J.P., Lavielle B., Renaud D., Van Duysen J.C., Caffee M., and Nishiizumi K. (1996) A new iron meteorite from France (abstract). Meteoritics and Planetary Science31,A36-A37.
  • Graham A.L. (1985) Catalogue of Meteorites
  • Haggerty S.E. (1972) in The Apollo 15 Lunar Samples, 85-87.
  • Marvin U.B., Petaev M.I., and Kempton R. (1996) Drusy vugs in the Albion iron meteorite: Mineralogy and textures (abstract). Meteoritics and Planetary Science 31, A83.
  • McCoy T.J., and Ehlmann A.J. (1997) Monnig collection meteorites from Forestburg, Davy, Harrison Township and Gurramkonda. Meteoritics and Planetary Science 32, in press.