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Adrian meteorite, Deaf Smith County, Texas, USAi
Regional Level Types
Adrian meteoriteMeteorite Fall Location
Deaf Smith CountyCounty
TexasState
USACountry

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Latitude & Longitude (WGS84):
35° 9' North , 102° 43' West
Latitude & Longitude (decimal):
35.15000,-102.71667
GeoHash:
G#: 9wnzywu58
GRN:
N24W60
Type:
Meteorite Fall Location
Meteorite Class:
H4 chondrite meteorite
Meteoritical Society Class:
H4
Metbull:
View entry in Meteoritical Bulletin Database
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Adrian167 (2017)14.6km
Vega900 (2017)28.2km
Hereford15,021 (2017)47.1km
Boys Ranch282 (2011)59.6km
Mindat Locality ID:
296696
Long-form identifier:
mindat:1:2:296696:3
GUID (UUID V4):
0


Ordinary chondrite, veined (H4)
Find, 1936; 22.6 kg

A weathered meteoritic stone of 6.3 kg was recovered in 1936 by Harvey Nininger with a second stone recovered later. Inspections reveal chondrules and chondrule fragments within a somewhat equilibrated matrix. Dominant and mostly equilibrated olivine (Fa19) and low Ca-pyroxene are characteristic of H4 chondrites. A specimen analyzed by Ramdohr (1973) was so weathered that he was unable to identify a single primary opaque. Apparently, however, the meteorite has been useful in chronological studies.

A U,Th:He age of t =1.85 Ga bespeaks of a major collision in the long interval between formation of the original parent body (OPB) and more recent events. A reported cosmic ray exposure (CRE) age of t ~14.2 Ma presumably reflects events during or after injection of the pre-terrestrial meteoroid into an earth-crossing orbit.

As with many meteorites collected by Harvey Nininger, the main mass is held by the Center for Meteorite Studies at Arizona State University [7.7212 kg in 2017].

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List of minerals arranged by Strunz 10th Edition classification

Unclassified
ⓘ'Limonite'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Pyroxene Group'-ADSi2O6

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

www.lpi.usra.edu (n.d.) http://www.lpi.usra.edu/meteor/metbull.php?code=388
www.encyclopedia-of-meteorites.com (n.d.) http://www.encyclopedia-of-meteorites.com/test/Adrian_don_edwards.JPG
Nininger, H.H. (1950) The Nininger Collection of Meteorites. A Catalogue and a History. Winslow, Arizona. 144 pages.
Mason, Brian (1963) Olivine composition in chondrites. Geochimica et Cosmochimica Acta, 27 (10) 1011-1023 doi:10.1016/0016-7037(63)90062-0
Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025
Moniot, R.K. et al. (1982) Beryllium-10 Contents of Stony Meteorites and the Neon-21 Production Rate (abstract): Lunar and Planetary Science XIII: 536-537.
Graham, A. L., Bevan, A. W. R., Hutchison, R. (1985) Catalogue of Meteorites - With Special Reference to those Represented in the Collection of the British Museum (Natural History) (4th ed.) British Museum (Natural History), London.
Wasson, John T., Wang, Sichao (1991) The histories of ordinary chondrite parent bodies: U,Th-He age distributions. Meteoritics, 26 (2) 161-167 doi:10.1111/j.1945-5100.1991.tb01033.x
Graf, Th. & Marti, K. (1995) Collisional history of H chondrites. J. Geophys. Res. (Planets) 100, 21247–21263.
Grady, Monica (2000) Catalogue of Meteorites (5th ed.). Cambridge University Press.
www.lpi.usra.edu (n.d.) http://www.lpi.usra.edu/meteor/metbull.php
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