14312 (33) Crystalline Breccia
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Fact sheet
Description: 

14312 is a coherent breccia with a moderate percentage of angular dark clasts which tend to blend with the light matrix. A very few light clasts are also present. It is composed of more matrix, and less clasts than other breccias from Apollo 14. Clasts in 14312 include, dark matrix breccias, Al-rich mare basalt, poikilitic impact melt, and individual minerals.

The sample weighed 299 grams before analysis. It has not been dated.

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

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Timescale:
Not known
Ma = Millions of years ago
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metamorphic
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