12014 (5) - Olivine basalt
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Fact sheet
Description: 

12014 has a porphyritic-subophitic texture with partially resorbed olivine phenocrysts in a subophitic groundmass. Pyroxene displays significant compositional zoning. Ilmenite and chromite are the main accessory minerals. The thin section provided by NASA was not polished, so it is not possible to produce reflected light observations.

The sample weighed 159.4 grams before analysis and is 3.29±0.11 billion years old.

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

In Place
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Timescale:
Not known
Ma = Millions of years ago
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igneous
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