大型火成岩群与沉积盆地的热成挥发物释放

IF 2.2 2区地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS

Elements Pub Date : 2023-10-01 DOI:10.2138/gselements.19.5.282

Henrik H. Svensen, Morgan T. Jones, T. Mather

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引用次数: 0

摘要

大型火成岩带（LIPs）的特征是洪积玄武岩和广泛的岩浆管道系统。当岩屑和岩堤沉积在沉积盆地中时，释放的热量可导致广泛的接触变质作用和气体生成。在过去的 20 年中，这一过程被强调为可能在 LIPs 与全球环境变化之间的拟议联系中发挥关键作用。岩浆侵入的沉积岩的地球化学性质及其在加热过程中产生热成气体（如二氧化碳和甲烷）的潜力是关键的控制因素。

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

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 controlling factors.

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来源期刊

Elements 地学-地球化学与地球物理

CiteScore

7.20

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Elements is an international magazine of mineralogy, petrology, and geochemistry. Published bimonthly, every issue explores a theme of broad and current interest. Elements publishes invited peer-reviewed articles for each thematic collection of papers. Topics of interest can be proposed to the editors who will review every proposal submitted. Elements also presents regular features including a opinion articles, calendar of events, short course announcements, awards, conference reports, policy news, as well as news of the 18 participating societies.