Origin of Ordovician diasporites of Central Kazakhstan

被引：0

作者：

Cherkasov, GN ^{[1
]}

Shalamov, IV ^{[1
]}

Kazantsev, OP ^{[1
]}

机构：

[1] Siberian Geol Geophys & Mineral Resources Res Ins, Novosibirsk 630091, Russia

来源：

GEOLOGIYA I GEOFIZIKA | 2000年 / 41卷 / 12期

关键词：

diasporites; pyroclastic rocks; tuffs of andesite basalts; limestones;

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：

Geological, mineralogical, and petrographic compositions of the Taskol' diasporites are considered. Diasporitization along the contact of underlying limestones and overlying fused tuffs of alkali andesite basalts resulted from volcanosedimentary processes. Earlier, researchers related its formation to the effect of climate and weathering, But we have established that it developed under specific PT-conditions under the effect of volcanic gases enriched in Al3+, which was concentrated in the pores of elastic rocks and washed out by sea waters.

引用

页码：1690 / 1695

页数：6

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