Large Igneous Provinces and the Release of Thermogenic Volatiles from Sedimentary Basins

被引：12

作者：

Svensen, Henrik H. ^{[1
]}

Jones, Morgan T. ^{[1
]}

Mather, Tamsin A. ^{[2
]}

机构：

[1] Univ Oslo, Dept Geosci, Sem Saelandsvei 1, N-0371 Oslo, Norway

[2] Univ Oxford, Dept Earth Sci, South Parks Rd, Oxford OX1 3AN, England

来源：

ELEMENTS | 2023年 / 19卷 / 05期

关键词：

volcanic basin; sill; contact metamorphism; mineral reactions; thermogenic gas; proxies; FRACTIONATION; EMPLACEMENT; CARBON;

D O I：

10.2138/gselements.19.5.282

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：

Large igneous provinces (LIPs) are characterized by flood basalts and extensive magmatic plumbing systems. When sills and dykes are emplaced in sedimentary basins, the heat released can result in extensive contact metamorphism and gas generation. During the past 20 years, this process has been highlighted as potentially playing a key role in terms of proposed links between LIPs and global environmental changes. The geochemistry of the sedimentary rocks that the magma intrudes, and their potential to generate thermogenic gases such as CO2 and CH4 during heating, are critical control-ling factors.

引用

页码：282 / 288

页数：7

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