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Silicate Melt Density: Effect of Al3+, Fe3+ and Ti4+ Coordination Change

Silicate Melt Density: Effect of Al3+, Fe3+ and Ti4+ Coordination Change
硅酸盐熔体密度：Al3、Fe3 和 Ti4 配位变化的影响
批准号：
9219070
负责人：
Rebecca Lange
金额：
$9.0万
依托单位：
Regents of the University of Michigan - Ann Arbor
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1993
资助国家：
美国
项目状态：
已结题
起止时间：
1993-01-15 至 1994-12-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9219070&HistoricalAwards=false
关键词：
SilicateMeltDensityEffectAl3+

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中文摘要
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英文摘要
The proposed research will elucidate the relationship between density and coordination changes of Al3+, Fe3+ and Ti4+ in silicate melts. Experiments are designed to obtain precise measurements of melt density using the double-bob Archimedean method over a range of compositions and temperatures at a pressure of one bar. The proposed density measurements will complement information on melt structure obtained by NMR, Raman and IR spectroscopy. Properties such as density, and the factors that affect them, are fundamental in studies of magma evolution - - they affect melt segregration at the source region, magma ascent through diapirs and fractures, and the processes that produce chemical diversification in magmas.
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