The geochemistry of some natural acid glasses from the North Atlantic Tertiary volcanic province

Details The geochemistry of some natural acid glasses from the North Atlantic Tertiary volcanic province The geochemistry of some natural acid glasses from the North Atlantic Tertiary volcanic province

Nov 1961

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1961gecoa..25..189c&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 25, Issue 3, pp.189-222

Computer Science

17

Scientific paper

This paper deals with the distribution of some trace and major elements in pitchstones from Arran, Eigg and Iceland. The distribution of trace elements in the residual glasses of the porphyritic pitchstones and in a few of the phenocrysts is also considered. Of the trace elements, Mo, Sn, Ni, Co, Cu, Zn, Cd, Pb, S and As have been determined chemically, Rb and Zr by X-ray fluorescence and Ga, Cr, V, Nb, Li, Y, La, Sr and Ba spectrographically. As the pitchstones represent only a limited range of composition, great variation is not found, but the group of Arran pitchstones is shown to be chemically distinct from the Icelandic group.

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