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Hvittis meteorite, Huittinen, Southwestern Finland Region, Finland

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Latitude & Longitude (WGS84): 61° 10' 60'' North , 22° 40' 60'' East
Latitude & Longitude (decimal): 61.1833333333, 22.6833333333
Name(s) in local language(s): , Lounais-Suomen alue (Sydvästra Finlands region), Suomi
 
Enstatite Chondrite, low-iron [EL6; S2]
Fall, 21 Oct 1901; 14 kg

Found just 3 days after a very loud fall, Hvittis is the second most massive low-iron Enstatite chondrite. Enstatite Chondrites are marked by overall sub-solar Mg/Si ratios, near terrestrial oxygen-isotope ratios, and highly reduced mineral assemblages. Metallic iron is abundant in all Enstatite Chondrites (~10 vol%). However, the EL chemical group is low in iron relative to the high-iron (EH) chemical group. EL Enstatite Chondrites are further distinguished from EH chondrites by moderately large chondrules (0.6 mm) and a mineral assemblage which invariably contains ferroan alabandite. Metamorphic events have homogenized the EL6 chondrites and obliterated many chondrule outlines.

Mineral List



18 entries listed. 15 valid minerals.

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References

The Meteoritical Society. Database for a special record: Hvittis

Mason, B. H. (1962). Meteorites. John Wiley and Sons, Inc.: New York and London. 274 pages.

Keil, K. (1968). Mineralogical and Chemical Relationships among the Enstatite Chondrites. Journal of Geophysical Research 73 (22): 6945-6976. (Nov 1968)

Binns, R.A. (1969): Oldhamite from the Hvittis meteorite. Mineralogical Magazine 37, 144-145.

Rubin, A. (1983) Impact melt-rock clasts in the Hvittis enstatite chondrite breccia-Implication for a genetic relationship between EL chondrites and aubrites. American Geophysical Union and NASA. Lunar and Planetary Science Conference in Houston, TX, Mar 14-18,1983. Journal of Geophysical Research,Supplement, Vol 88 Nov 15,1983, p B 293-B 300

Kinsey, L. K., McCoy, T. J., Keil, K., Bogard, D. D., Garrison, D. H., Kehm, K., ... & Casanova, I. (1995, March). Petrology, chemistry and chronology of an impact-melt clast in the Hvittis EL6 chondrite. In Lunar and Planetary Science Conference (Vol. 26).

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