![]() |
||
|
Northwest Africa 7777 | |||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 7777 This is an OFFICIAL meteorite name. Abbreviation: NWA 7777 Observed fall: No Year found: 2012 Country: Morocco Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 78 approved meteorites classified as H3.8. [show all] Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||
Comments: | Approved 27 Apr 2013 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 102:
Northwest Africa 7777 (NWA 7777) Morocco Purchased: 2012 Classification: Ordinary chondrite (H3.8) History: Purchased by Sean Tutorow from a Moroccan meteorite dealer, 2012. Physical characteristics: Single stone, smooth weathered fusion crust, sawn reveals chondrules and metal grains set in a dark matrix. Petrography: (C. Agee, UNM): Microprobe examination of a polished mount shows numeous unequilibrated PO, PP, POP chondrules. Geochemistry: (C. Agee and L. Burkemper, UNM) Olivine Fa20.0±2.6, Fe/Mn=46±7, n=11; low-Ca pyroxene Fs12.6±6.4Wo1.2±1.3, Fe/Mn=33±20, n=10, plagioclase Or0.63Ab30.3An69.1. Classification: Ordinary chondrite (H3.8), weathering grade W2. Specimens: 21.4 g including a probe mount on deposit at UNM, Sean Tutorow holds the main mass. | ||||||||||||||||||||||||||||
Data from: MB102 Table 0 Line 0: |
|
||||||||||||||||||||||||||||
Institutions and collections |
UNM: Institute of Meteoritics
MSC03 2050
University of New Mexico
Albuquerque NM 87131-1126
USA, United States; Website (institutional address; updated 12 Feb 2015) |
||||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
| ||||||||||||||||||||||||||||
Photos: |
| ||||||||||||||||||||||||||||
Geography:![]() |
Statistics: This is 1 of 1556 approved meteorites from Morocco (plus 22 unapproved names) (plus 1 impact crater) |