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Science 18 January 1974:
Vol. 183. no. 4121, pp. 198 - 200
DOI: 10.1126/science.183.4121.198
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Articles

Atmospheric Concentrations and Sources of Trace Metals at the South Pole

W. H. Zoller 1, E. S. Gladney 1, and R. A. Duce 2

1 Department of Chemistry, University of Maryland, College Park 20742
2 Graduate School of Oceanography, University of Rhode Island, Kingston 02881

The chemical composition of atmospheric particulate material collected at the geographic South Pole indicates that Al, Sc, Th, Sm, V, Mn, Eu, Fe, La, Ce, Co, Cr, Na, K, Mg, and Ca are derived from either crustal weathering or the ocean. The relatively volatile elements Zn, Cu, Sb, Se, Pb, and Br are apparently derived from other sources. Because of their volatility, vapor-phase condensation or a high-temperature dispersion source is suspected for these elements or their compounds.


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