NASA NTRS · 19760036836
The Boulder
Abstract
The external morphologies of Boulder 1, Station 2, and of the four samples taken from it by the Apollo 17 crew, are briefly described. The boulder is a polymict breccia, containing the following principal materials as clasts: gray competent breccias, black competent breccias, anorthositic breccias, pigeonite basalt, and coarse norite. All are enclosed in a matrix of light-colored friable breccia.
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Marvin, U. B.. 1975-12-01. The Boulder. https://ntrs.nasa.gov/citations/19760036836
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