• DOI:10.1126/science.167.3918.602
Corpus ID: 20153077

Lunar Anorthosites

@article{Wood1970LunarA,
  title={Lunar Anorthosites},
  author={J. Wood and J. S. Dickey and U. Marvin and B. N. Powell},
  journal={Science},
  year={1970},
  volume={167},
  pages={602 - 604}
}

J. Wood, J. S. Dickey, +1 author B. N. Powell

Published 1970

Medicine

Science

Sixty-one of 1676 lunar rock fragments examined were found to be anorthosites, markedly different in composition, color, and specific gravity from mare basalts and soil breccias. Compositional similiarity to Tycho ejecta analyzed by Surveyor 7 suggests that the anorthosites are samples of highlands material, thrown to Tranquillity Base by cratering events. A lunar structural model is proposed in which a 25-kilometer anorthosite crust, produced by magmatic fractionation, floats on denser gabbro… CONTINUE READING

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