OSMIUM ISOTOPES IN THE AEROSOLS OF THE MANTLE VOLCANO MAUNA-LOA

被引：25
|
作者：
KRAHENBUHL, U
GEISSBUHLER, M
BUHLER, F
EBERHARDT, P
FINNEGAN, DL
机构：
[1] Laboratorium für Radiochemie, University of Bern, CH-3000 Bern 9
[2] Physikalisches Institut, University of Bern, CH-3012 Bern
[3] Los Alamos National Laboratory, Los Alamos, NM 87545
来源：
EARTH AND PLANETARY SCIENCE LETTERS | 1992年 / 110卷 / 1-4期
关键词：
D O I：
10.1016/0012-821X(92)90041-S
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Aerosols and reactive gases from the spring 1984 eruption of Mauna Loa Volcano on Hawaii were collected and analyzed for osmium and its isotopic composition. The measured Os-187/Os-186 ratio of 1.14 +/- 0.03 is close to the ratio in matter with solar system Re/Os abundance. This result shows that the aerosols from Mauna Loa originated in the mantle and that their composition was not or only slightly influenced by their contact with the crust.
引用
收藏
页码：95 / 98
页数：4
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