THE ASSOCIATION OF HYPERSOLVUS-SUBSOLVUS GRANITES - A STUDY OF MALANI IGNEOUS SUITE, INDIA

被引：0
|
作者：
KOCHHAR, N
DHAR, S
机构：
来源：
JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA | 1993年 / 42卷 / 05期
关键词：
MALANI IGNEOUS SUITE; PETROLOGY; GEOCHEMISTRY; GRANITES; JALOR; RAJASTHAN;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Detailed field, petrographical and the chemical studies of the Jalor granites, Western Rajasthan show that the Jalor magmatism is not exclusively peraluminous in nature but has peralkaline component closely associated in space and time. The Jalor complex is a classic example of hypersolvus-subsolvus granite association. The similar abundances of trace elements such is Ba, Th, U, Ga, Y and Zr in the hypersolvus and the subsolvus granites suggest that both magmas have common source and are coeval. The hypersolvus granites show enrichment of LREE as compared to the subsolvus granites, but the subsolvus granites have more pronounced Eu anomaly. Tectonic significance of the find is also discussed.
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页码：449 / 467
页数：19
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