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Chemical composition of sawdust from lunar rock 12013 and comparison of a Java tektite with the rock. (1972)

Smith, R. H. ; Showalter, D. L. ; Schmitt, R. A. ; [et al.]

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Publication Date: 2019-06-27

Description: Abundances of 11 major and minor elements and 11 trace elements have been determined by instrumental neutron activation analysis of two Apollo 12013 rock fragments, a sample of rock 12013,17 sawdust, and a Java tektite (J2). Although the abundances of major elements in tektite J2 are similar to those of rock 12013, comparison of the minor and trace elements shows that no fragment of sawdust or rock 12013 that has been analyzed to date is chemically similar to tektite glass. Rock sawdust is representative of ?whole rock' composition only if the amount of contamination from the sawing process is known. After appropriate correction for saw wire contamination, analyses of sawdust yield fairly accurate averaged elemental compositions of complex clastic lunar and other rocks.

Keywords: SPACE SCIENCES

Type: Science; 175; Jan. 14

Format: text

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