Stages of Late Mesozoic Tectonic-Magmatic Mineralization of Central Asia Region

机译：中亚地区晚中生代构造岩浆成矿阶段

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The ore mineralization of the unique and rich Central Asia Region is closely connected with Mesozoic tectonic-magmatic activization (TMA). The eastern part is more explored (Eastern Zabaikalye and contiguous to it from south eastern Mongolia and northern-western Manchjuriya). It possible to distinguish two stages of the tectonic-magmatic activization: J_2-J_3 and J_3-K_1. It is typical for the early stage of the formation of the doming uplifts (archogenesis) mostly accompanied by sychrone granitization. In some cases, it was established that the substance of the upper mantle had taken place in this process (with ratio ~(87)Sr/~(86)Sr about 0.7050～0.7000).

机译：独特而丰富的中亚地区的矿石矿化与中生代构造-岩浆活化作用（TMA）密切相关。东部的勘探程度更高（东部的扎拜卡耶和邻近的蒙古东南部和西北的曼彻茹里亚）。可以区分构造岩浆活动的两个阶段：J_2-J_3和J_3-K_1。这是典型的隆起隆起形成（archogenesis）的早期，主要伴随着同步粒化。在某些情况下，可以确定上地幔物质是在此过程中发生的（比率〜（87）Sr /〜（86）Sr约为0.7050〜0.7000）。

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《International Symposium of Geological and Mineragenic Correlation in Contiguous Regions of China, Russia and Mongolia; 20031008-11; Changchun(CN)》|2003年|P.92-93|共2页
会议地点 Changchun(CN)
作者
Y. J. Koshelev;
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'ZabNTGeo', Chita, 672090 Russia;

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正文语种 eng
中图分类地质、矿产普查与勘探;
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Stages of Late Mesozoic Tectonic-Magmatic Mineralization of Central Asia Region

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