Meteorite object
- Name
- Northwest Africa 2060
- Secondary name
- NWA 2060
Recovery
- Status
- find
- Year
- 2003
- Mass
- 985.0 $g$
- Comments
- howardite of unusual characteristics
Geolocation
- Body name
- Earth
- Place
- Morocco
Coordinates
- System
- WGS84
- Breccia
- No
- Category
- nonchondritic
- Group
- differentiated achondrite
- Class
- howardite
- Achondrite petrologic type
- undefined
- Shock
- S4
- Weathering
- minor
- Comments
- very fresh stone, mildly shocked, no apparent oxidation or Fe staining
- Oxides comments
- Clast modes: diogenites, 74 vol. %; eucrites 20 vol. % (12 % cumulate, 8 % basaltic); anorthositic-like clasts, 3 %; shock melt clasts. 2 %, and opaques, 1%. Diogenite orthopyroxene, Fs35.6-38.8Wo2.3-4.2; plagioclase, An 87; chromite, Cr/(Cr+Al) = 0.81; metal, Ni = 0.67 wt %. Melt inclusions in opx contain Ca-rich pyroxene, Fs33.3Wo37.5; phosphate, silica phase, and K-rich glass. Plagioclase-pyroxene cumulates, Fs38.2Wo21; plagioclase, An86.Other eucrite textures include recrystallized, granular, ophitic, subophitic, and variolitic (Fs31.6Wo7 and Fs61.8Wo33). Plagioclase-rich clasts have 95 vol.% plagioclase (An96.1).
- Minerals
-
Name (Symbol) Ferrosilite (Fs) Wollastonite (Wo) Anorthite (An) Mole fraction (%) 35.6 - 38.8 2.3 - 4.2 87