PGE-rich Podiform Chromitites in the Al 'Ays Ophiolite Complex, Saudi Arabia: An Example of Critical Mantle Melting to Extract and Concentrate PGE

M. Prichard, H.; R. Neary, C.; C. Fisher, Peter; J. O’Hara, M.

doi:10.2113/gsecongeo.103.7.1507

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PGE-rich Podiform Chromitites in the Al 'Ays Ophiolite Complex, Saudi Arabia: An Example of Critical Mantle Melting to Extract and Concentrate PGE

Shared by NobleBlocks on Nov 1, 2008 • 12:00 AM UTC

Authors:

H. M. Prichard

C. R. Neary

Peter C. Fisher

Abstract

The Al ‘Ays ophiolite complex in Saudi Arabia is an example of an ophiolite that contains anomalous concentrations of all six platinum group elements (PGE) in podiform chromitite with maximum values of 2,570 ppb Pt, 6,870 ppb Pd, 840 ppb Rh, 5,800 ppb Ru, 6,200 ppb Ir, and 3,300 ppb Os. Smooth chond...

Subject

Ophiolite

Mantle (geology)

Geology

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