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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
Published for geochemistry community from Geochemical Society of Japan.

Beryllium-7 deposition at Fayetteville, Arkansas, and excess polonium-210 from the 1980 eruption of Mount St. Helens

S. C. Lee, A. I. Saleh, A. D. Banavali, L. Jonooby, P. K. Kuroda
Geochemical Journal, Vol. 19, No. , P. 317-322, 1985

ABSTRACT

Radiochemical measurements of 7Be were carried out for a total of 246 individual rain and snow samples collected at Fayetteville (36°N, 94°W), Arkansas, during the period between September 1979 and December 1984. A sharp increase in the 210Po/7Be ratio in rain observed during the winter and spring months of 1980-1981 was attributed to the fallout of excess 210Po from the May 1980 eruption of Mount St. Helens.

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