70019 (92) Regolith Breccia
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Fact sheet
Description: 

70019 is an example of a large “agglutinate” made up of pieces of regolith breccia cemented together with black glass. It is made of two major components – dark, coherent microbreccia fragments and black shiny glass. The microbreccia has a seriate grain size distribution with glass matrix and glass inclusions. Volumetrically the matrix is 60%. Typical orange glass is also abundant. Rotation 1 shows a clast-rich region and rotation 2 shows a large plagioclase feldspar class and vesicular glass fragment.

The sample weighed 159.9 grams before analysis and has not been dated.

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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