Walker, D. and Grove, T. L. and Longhi, J. and Stolper, E. M. and Hays, J. F. (1973) Origin of lunar feldspathic rocks. Earth and Planetary Science Letters, 20 (3). pp. 325-336. ISSN 0012-821X http://resolver.caltech.edu/CaltechAUTHORS:20120820-144126357
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Melting experiments and petrographic studies of lunar feldspathic rocks reveal possible genetic relationships among several compositionally and mineralogically distinct groups of lunar rocks and soil fragments. Dry, low PO_2 partial melting of crustal anorthositic norites of the anorthositic-noritic-troctolitic (ANT) suite produces liquids of the KREEP-Fra Mauro basalt type; dry, low PO_2 partial melting of pink spinel troctolite (PST) produces liquids of the “very high alumina basalt” or microtroctolite type. Both ANT and PST are probable components of the primitive terra crust. If crystal fractionation in a cooling basaltic liquid could have produced such a crust, it would also produce a mafic interior capable of yielding mare basalts by later remelting at depth.
|Additional Information:||© 1973 Published by Elsevier B.V. Received 20 April 1973. Revised version received 6 September 1973. We have benefited from discussions with E. Dowty, M.J. Drake, O. James, M.J. O'Hara, M. Prinz, G.J. Taylor, J. Warner and J.A. Wood. We thank O. James, M. Prinz, A.M. Reid and G .J. Taylor for furnishing preprints of their work. This study was supported by NASA grants NGR-22-007-175 and NGL-22-007-247 and the Committee on Experimental Geology and Geophysics of Harvard University.|
|Official Citation:||D. Walker, T.L. Grove, J. Longhi, E.M. Stolper, J.F. Hays, Origin of lunar feldspathic rocks, Earth and Planetary Science Letters, Volume 20, Issue 3, November 1973, Pages 325-336, ISSN 0012-821X, 10.1016/0012-821X(73)90006-X.|
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|Deposited By:||Tony Diaz|
|Deposited On:||24 Aug 2012 03:20|
|Last Modified:||24 Aug 2012 03:20|
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