Phase chemistry, structure, and radiation effects in lunar samples

Arrhenius, Gustaf ; Asunmaa, Saara ; Drever, James I. ; Everson, Joel ; Fitzgerald, Ray W. ; Frazer, Jane Z. ; Fujita, Hitoshi ; Hanor, Jeffrey S. ; Lal, Devendra ; Liang, Samuel S. ; Macdougall, Douglas ; Reid, Arch M. ; Sinkankas, John ; Wilkening, Laurel (1970) Phase chemistry, structure, and radiation effects in lunar samples Science, 167 (3918). pp. 659-661. ISSN 0036-8075

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Phase chemistry, structure, and radiation effects were studied in rock, breccia, and soil samples. The regolith apparently developed in the final stages of accretion and was modified by later impact processes and radiation weathering. Exposure ages indicate transfer of buried igneous rock fragments to the near surface late in lunar history. With a few exceptions igneous rock fragments, soil, and breccia share the same distinctive chemistry, probably acquired before accretion of the moon. The igneous rocks texturally resemble basaltic achondrites, and the soil and breccias contain glassy spheres analogous to chondrules.

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Source:Copyright of this article belongs to American Association for the Advancement of Science.
ID Code:19243
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