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Frontier Mountain 97045 | |||||||||||||||||
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Basic information | Name: Frontier Mountain 97045 This is an OFFICIAL meteorite name. Abbreviation: FRO 97045 Observed fall: No Year found: 1997 Country: Antarctica [Collected by Programma Nazionale di Ricerche in Antartide (PNRA), Italy] Mass: ![]() | ||||||||||||||||
Classification history: |
This is 1 of 400 approved meteorites classified as Eucrite-pmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||
Writeup![]() |
Writeup from MB 84:
Frontier Mountain 97045 Polymict eucrite Fragments and lithic clasts (up to 800 μm) of plagioclase (An90), exsolved pigeonite (host, En38 Wo11; lamellae En33Wo35), zoned pigeonite (En57–42Wo6), and secondarily silica are embedded in a fine-grained, fragmental and glassy matrix; glass spherules up to some tens of micrometers in diameter are rare; contains minor ilmenite and chromite; a single, large clast (one centimeter across) of cumulate eucrite has been observed; O isotopes are δ17O = +1.57‰, δ18O = +3.41‰, Δ17O = +0.20‰. | ||||||||||||||||
Data from: MB84 Table 2 Line 94: |
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Plots: | O isotopes: | ||||||||||||||||
Institutions and collections |
OU: Planetary and Space Sciences
Department of Physical Sciences
The Open University
Walton Hall
Milton Keynes
MK7 6AA
United Kingdom, United Kingdom (institutional address; updated 8 Dec 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 84, MAPS 35, A199-A225 (2000)
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Geography:![]() |
Statistics: This is 1 of 44248 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||
Proximity search: |