Dette er 1 af kun 7 Meteorit godkendt som Achondrite-Primitive-Ungrouped. NWA 15061 - 23.91 g - (1)
Nr. 81966321
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Stor skive Lunar troctolitic fra Adrar Sandsynligvis parret med NWA 15482 - 7.07 g - (1)
Breccia composed of lithic clasts and related crystalline debris dominated by anorthite and olivine with subordinate pigeonite and accessory low-Ti chromite, pentlandite and pervasive secondary barite granules.
Geochemistry: Anorthite (An94.4-97.5Or0.2-0.0, N = 4), olivine (Fa19.0-45.6, FeO/MnO = 80-97, N = 5), pigeonite (Fs23.2-26.3Wo7.4-10.6, FeO/MnO = 42-50, N = 4).
Troctolitic: A type of rock composition that typically contains plagioclase feldspar and olivine. Troctolite is a coarse-grained igneous rock.
Anorthositic: Indicates a rock that is rich in anorthite, a type of plagioclase feldspar. Anorthosite is a common rock type found on the Moon's surface.
Breccia: A type of rock that forms from the consolidation of fragmented material. Breccias are often formed by impact processes, where rocks are broken into fragments during collisions and then reassemble into a new rock.
Classification: Lunar (troctolitic anorthositic breccia).
Nr. 81966321
Solgt
Stor skive Lunar troctolitic fra Adrar Sandsynligvis parret med NWA 15482 - 7.07 g - (1)
Breccia composed of lithic clasts and related crystalline debris dominated by anorthite and olivine with subordinate pigeonite and accessory low-Ti chromite, pentlandite and pervasive secondary barite granules.
Geochemistry: Anorthite (An94.4-97.5Or0.2-0.0, N = 4), olivine (Fa19.0-45.6, FeO/MnO = 80-97, N = 5), pigeonite (Fs23.2-26.3Wo7.4-10.6, FeO/MnO = 42-50, N = 4).
Troctolitic: A type of rock composition that typically contains plagioclase feldspar and olivine. Troctolite is a coarse-grained igneous rock.
Anorthositic: Indicates a rock that is rich in anorthite, a type of plagioclase feldspar. Anorthosite is a common rock type found on the Moon's surface.
Breccia: A type of rock that forms from the consolidation of fragmented material. Breccias are often formed by impact processes, where rocks are broken into fragments during collisions and then reassemble into a new rock.
Classification: Lunar (troctolitic anorthositic breccia).
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