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Trace element contents of selected antarctic meteorites, 1 (1979)

Biswas, S. ; Ngo, H. T. ; Lipschutz, M. E.

In: CASI

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Publication Date: 2019-06-27

Description: Data are reported for volatile/mobile Ag, As, Au, Bi, Cd, Co, Cs, Cu, Ga, In, Rb, Sb, Se, Te, T1 and Zn in exterior and/or interior samples of four Antarctic meteorites: 77005 (unique achondrite); 77257 (unreilite); 77278 (L3); 77299 (H3). Exterior samples reflect contamination and/or leaching by weathering but trace element (ppm-ppt) contents in interior samples seem reasonable for representatives of these rare meteoritic types. The 77005 achondrite seems related to shergottites; other samples extend compositional ranges previously known for their types. With suitable precautions, Antarctic meteorite finds yield trace element data as reliable as those obtained from previously known falls.

Keywords: LUNAR AND PLANETARY EXPLORATION

Type: NASA-CR-158583

Format: application/pdf

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