Noble metal specialization of Lower and Middle Riphean terrigenous rocks in the South Urals

被引：3
|
作者：
Kovalev, S. G. [1 ]
Maslov, A. V. [1 ,2 ]
Gareev, E. Z. [1 ]
机构：
[1] Russian Acad Sci, Inst Geol, Ufa Sci Ctr, Ul Karla Marksa 16-2, Ufa 450077, Russia
[2] Russian Acad Sci, Zavaritsky Inst Geol & Geochem, Ural Div, Ul Vonsovskogo 15, Ekaterinburg 620016, Russia
来源：
LITHOLOGY AND MINERAL RESOURCES | 2016年 / 51卷 / 06期
基金：
俄罗斯科学基金会;
关键词：
PROVENANCE; SHALES; ORIGIN;
D O I：
10.1134/S0024490216060055
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：
Results of the study of noble metal specialization of Lower and Middle Riphean terrigenous rocks in the Bashkir Anticlinorium (South Urals) are reported. The study revealed their genetic differences in the relatively unaltered, i.e., "background" terrigenous rocks in type sections of the Burzyan and Yurmatau groups and in sedimentary rocks of the same stratigraphic levels from tectonic zones subjected to local dynamothermal metamorphism of the greenschist facies and intruded by mafic rocks. It has been established that Ru serves as a geochemical marker of the impact of magmatic processes on sedimentary rocks and the redistribution of noble metals during metamorphism and local metasomatism. A generalized model is proposed for the formation of noble metal geochemical specialization of Lower and Middle Riphean terrigenous rocks in the South Urals.
引用
收藏
页码：467 / 483
页数：17
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