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Sharps meteorite, Henrico Co., Virginia, USA

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Latitude & Longitude (WGS84): 37° 49' 60'' North , 76° 41' 60'' West
Latitude & Longitude (decimal): 37.8333333333, -76.7


Ordinary chondrite, unequilibrated (H3.4;S3)
Fall of April 1, 1921; 1.265 kg weight.

After a whirring sound, a stone was seen to fall. After an initial fright, the meteorite (~11.5 x 7.5 x 6cm) was recovered from a small pit ~90 meters away. As an unequilibrated chondrite, the Sharps meteorite is characterized by prominent chondrules (compositions of both olivine and pyroxene-rich chondrules vary) plus the kamacite and troilite expected in almost all chondrites. Some small inclusions, however, represent very diverse formational components (including very Fe-poor grains) which have not been erased by metamorphic activity.

Mineral List


20 valid minerals.

The above list 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

Watson, T.L. (1925) The Sharps meteorite, Richmond County, Virginia: U. S. Natl. Mus. Proc., vol. 64, art. 2. 4 pages, 1 illustration.

Kurt Fredriksson (1969) The Sharps Chondrite — New Evidence on the Origin of Chondrules and Chondrites: IN: Meteoritic Research: Peter M. Millman, Editor: pp. 155-165. D. Reidel Publishing Company: Dordrecht-Holland. 941 pages.

Dodd, R.T. (1971) Calc-Aluminous Insets in Olivine of the Sharps Chondrite: Mineralogical Magazine 38 (296), 451-458. (Dec 1971).

Wlotzka, F. (1983) Composition of Chondrules, Fragments and Matrix in the Unequilibrated Ordinary Chondrites Tieschitz and Sharps. IN: Chondrules and their origin's. Houston, TX, Lunar and Planetary Institute: pages 296-318.

Bischoff, A. & Keil, K. (1984) Al-rich objects in ordinary chondrites: Related origin of carbonaceous and ordinary chondrites and their constituents. Geochimica et Cosmochimica Acta 48 (4): 693-709.

Brearley, A. J., Scott, E. R. D., Taylor, G. J., & Keil, K. (1987) Transmission Electron Microscopy of Graphite-Magnetite Aggregates in the Sharps (H3) Chondrite: Abstracts of the Lunar and Planetary Science Conference XVIII, pp. 123-124.

Crozaz G., Pellas, P., Bourot-Denise, M., de Chazal, S.M., Fieni, C., Lundberg, L.L. & Zinner, E. (1989) Plutonium, uranium and rare earths in the phosphates of ordinary chondrites—the quest for a chronometer: Earth and Planetary Science Letters 93: 157-169.

Dietrich, R. V. (1990), Minerals of Virginia.

Rubin, A.E. (1990). Kamacite and Olivine in ordinary chondrites:Intergroup and intragroup relationships. G&CA 54, 1217-1232.

Brearley, A.J. & Jones, R.H. (1998) Chondritic Meteorites. In: Planetary Materials (Papike, JJ - Ed.), Chapter 3: 1-398: Mineralogical Society of America, Washington, DC, USA.

Grady, M.M. (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.

External Links

http://www.lpi.usra.edu/meteor/metbull.php - MeteoriticalBulletinDatabase
http:www.lpi.usra.edu/meteor/metbull.php?code=23525 -Meteorite@MetBullDatabase
https://www.dmme.virginia.gov/DGMR/pdf/vamin/VAMIN_VOL20_NO03.PDF -VA meteorites
http://www.biodiversitylibrary.org/item/32410#page/35/mode/1up -ArchiveReport
http://www.minersoc.org/pages/Archive-MM/TOC/TOC38/TOC38_296.htm -Ca-Al insets

 
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