Phase chemistry of Apollo 14 soil sample 14259

Details Phase chemistry of Apollo 14 soil sample 14259 Phase chemistry of Apollo 14 soil sample 14259

May 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974modge...5....1.&link_type=abstract

Modern Geology, vol. 5, May 1974, p. 1-13.

Other

Abundance, Apollo 14 Flight, Chemical Composition, Glass, Lunar Soil, Mineralogy, Basalt, Fines, Gabbro, Granite, Lunar Maria, Pyroxenes, X Ray Diffraction

Scientific paper

0.26 gm of Apollo 14 soil sample 14259 has been investigated by optical, X-ray diffraction and electron microprobe techniques. The mineral abundances in the soil are 45% plagioclase, 41% pyroxene, 7% olivine, 3% oxides, 2% K-feldspar, 1% nickel-iron and less than 1% troilite. Eleven percent of the glasses have compositions like those of mare basalts or mare soils and are believed to be mare-derived. Eighty-six percent of the glasses are equivalent in composition to basalts that have higher Al, and lower Ca/Al and Fe/Mg ratios than mare basalts. The most abundant compositional type is named Fra Mauro basaltic glass and is subdivided into three related types. The other major glass type in the soil corresponds in composition to anorthositic gabbro.

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