12010 (29) - Regolith breccia
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Fact sheet
Description: 

12010 was collected from the outer rim of Middle Crescent Crater. Its outer surface is covered with small micrometeorite pits. 12010 has been found to be highly variable in composition and contains many basalt clasts (26%). It has been calculated that 12010 is approximately 86% basalt, 3% anorthosite and 7% KREEP (K, P and REE-rich basalt). It also contains glass particles and shocked mineral grains.

The sample weighed 360 grams before analysis.

Further details of this and other Apollo samples are here: http://curator.jsc.nasa.gov/lunar/

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Not known
Ma = Millions of years ago
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metamorphic
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