|
Northwest Africa 14882 | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 14882 This is an OFFICIAL meteorite name. Abbreviation: NWA 14882 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 47.1 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 651 approved meteorites (plus 1 unapproved name) classified as CO3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 20 Jun 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 14882 (NWA 14882) (Northwest Africa) Purchased: 2021 Sep Classification: Carbonaceous chondrite (CO3) History: Purchased by Jason Whitcomb in September 2021 from an Algerian dealer. Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Small, well-formed chondrules (apparent diameter 230±150 µm, N = 26), zoned mineral fragments and sparse, very fine grained diopside-forsterite-bearing CAI are set in a fine grained matrix (~30 vol.%, red-brown in thin section) containing magnetite, troilite and altered kamacite. Geochemistry: Olivine (Fa29.7±18.6, range Fa0.2-56.4, N = 9; Cr2O3 in ferroan olivine 0.04-0.52 wt.%, mean 0.28±0.15 wt.%, N = 7), low-Ca pyroxene (Fs4.8±4.2Wo1.4±1.4, range Fs1.4-12.5Wo0.6-4.6, N = 8), subcalcic augite (Fs10.5Wo23.1), Al-Ti-diopside (Fs0.6Wo51.6, Al2O3 6.1 wt.%, TiO2 0.5 wt.%), augite (Fs11.2±13.2Wo43.0±2.4, range Fs0.6-26.0Wo40.4-45.1, N = 3). Classification: Carbonaceous chondrite (CO3). Specimens: 9.7 g including one polished thin section at PSF; remainder with Mr. J. Whitcomb. | ||||||||||||||||||||||||||||||
Data from: MB111 Table 0 Line 0: |
|
||||||||||||||||||||||||||||||
Institutions and collections |
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011) UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024) |
||||||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||||||
References: | Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
| ||||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
| ||||||||||||||||||||||||||||||
Revision history: |
This lists important revisions made to data for this record.
|