The role of phosphorus in lunar samples - A chemical study

Details The role of phosphorus in lunar samples - A chemical study The role of phosphorus in lunar samples - A chemical study

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983lpsc...13..705j&link_type=abstract

In: Lunar and Planetary Science Conference, 13th, Houston, TX, March 15-19, 1982, Proceedings. Part 2. (A83-21281 07-91) Washing

Other

Lunar Rocks, Phosphorus, Basalt, Breccia, Chemical Analysis, Geochemistry, Kreep, Nitric Acid, Rare Earth Elements

Scientific paper

Phases rapidly dissolved by pH1 HNO3 acid are found in up to 60% of the REE, P, U, and halogens in basalt 75055, basalt mineral separates, KREEP-rich breccia 14312, and components from highland breccia 66095. This suggests that they may be phosphates. The 0.1 M HNO3 soluble fractions from whole rock breccias 14312 and 66095, and 60095 matrix, and a melt rock clast, have similar REE patterns. This implies that the same major REE-bearing phase is common to all the samples. The postleach residues contain REE in other phases. The acid-soluble phases associated with separated minerals from 75055 are depleted in REE relative to P, and also relative to REE and P in the bulk igneous rock. This may be interpreted as partitioning of REE present at grain surfaces into the major minerals.

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