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| Allan Hills 99101 | |||||||||||||||||
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| Basic information | Name: Allan Hills 99101 This is an OFFICIAL meteorite name. Abbreviation: ALH 99101 Observed fall: No Year found: 2000 Country: Antarctica [Collected by Programma Nazionale di Ricerche in Antartide (PNRA), Italy] Mass:  103.4 g | ||||||||||||||||
| Classification history: |
This is 1 of 365 approved meteorites classified as LL3. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||
| Writeup |
Writeup from MB 84:
Allan Hills 99101 Antarctica Found 2000 January 21 Ordinary chondrite L(LL)3 A 134.4 g stone was found in a moraine of the Allan Hills main icefield by a geological party of the Italian Antarctic research programme (PNRA). Mineralogy and classification (C. Ferraris, L. Folco, MNA-SI): large chondrules up to 3 mm in diameter are v isible on broken surfaces; chondrule abundance, ~ 80 vol%; chondrule mean diameter, ~ 0.8 mm; metal abundance, ~ 4 vol%; olivine, Fa3–35; pyroxene, Fs0–2; shock stage, S4; weathering grade, W1; specimens, MNA-SI. | ||||||||||||||||
| Institutions and collections |
MNA-SI: Museo Nazionale dell'Antartide, Università di Siena, Via Laterina 8, I-53100 Siena, Italy; Website (institutional address; updated 13 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:
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Statistics: This is 1 of 40744 approved meteorites from Antarctica (plus 4494 unapproved names) | ||||||||||||||||
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