[1]黄长煌.福建东山亲营山岩组变质岩石榴石—黑云母地质温度计的应用[J].华东地质,2019,40(01):1-10.[doi:10.16788/j.hddz.32-1865/P.2019.01.001]
 Huang Chang-huang.Application of garnet-biotite geothermometer from the Qinyingshan Formation in Dongshan, Fujian Province[J].East China Geology,2019,40(01):1-10.[doi:10.16788/j.hddz.32-1865/P.2019.01.001]
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福建东山亲营山岩组变质岩石榴石—黑云母地质温度计的应用()
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《华东地质》[ISSN:2096-1871/CN:32-1865/P]

卷:
40
期数:
2019年01期
页码:
1-10
栏目:
基础地质
出版日期:
2019-03-01

文章信息/Info

Title:
Application of garnet-biotite geothermometer from the Qinyingshan Formation in Dongshan, Fujian Province
文章编号:
2096-1871(2019)01-001-10
作者:
黄长煌
(福建省地质调查研究院,福州 350013)
Author(s):
Huang Chang-huang
(Fujian institute of Geological Survey, Fuzhou 350013,China)
关键词:
石榴石-黑云母地质温度计 白云母地质压力计 亲营山岩组 东山 福建
Keywords:
garnet-biotite geothermometer muscovite geobarometer Qinyingshan Formation Dongshan Fujian Province
分类号:
P588.32
DOI:
10.16788/j.hddz.32-1865/P.2019.01.001
文献标志码:
A
摘要:
福建东山苏峰山地区亲营山岩组含石榴石、黑云母和白云母。亲营山岩组原岩为泥质岩,经历了岩片俯冲、深埋挤压和逆冲3个构造-变质作用阶段,分别形成俯冲岩片(Ⅰ)、深埋挤压岩片(Ⅱ)和逆冲岩片(Ⅲ)。俯冲阶段为中温低压变质作用,深埋挤压阶段为高温中压进变质作用,逆冲阶段为高温低压退变质作用。石榴石、黑云母和白云母为主要变质矿物,均为无环带
Abstract:
The Qinyingshan Formation in the Sufengshan area of Fujian Province consists of garnet, biotite and muscovite. The study shows that the protolith of the Qinyingshan Formation is mainly argillaceous rocks, which experienced rock slices subduction, deep buried squeezing and thrusting, forming subduction rock slices(I), deep buried squeezing rock slices(II)and thrusting rock slices(III)respectively. Among them, the subduction stage was middle-temperature and low-pressure metamorphism, the deep buried squeezing stage was high-temperature and middle-pressure prograde metamorphism, and the thrusting stage was high-temperature and low-pressure retrograde metamorphism. The main metamorphic minerals are garnet, biotite and muscovite, all of which have no girdle zone. Garnet and biotite from the samples of three rock slices mentioned above were used as a geothermometer. Combined with muscovite geobarometer, it can be estimated that, during the tectonic evolution processes of metamorphic rocks, the temperatures and pressures of the subduction stage, the deep buried squeezing stage and the thrusting stage were estimated 594~622 ℃ and 0.28~0.52 GPa, 629~655 ℃ and 0.6~0.7 GPa, and 476~495 ℃ and 0.09~0.1 GPa respectively.

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备注/Memo

备注/Memo:
*收稿日期:2018-01-08 修订日期:2018-05-09 责任编辑:谭桂丽
基金项目:中国地质调查局“江南—华夏古陆地质矿产调查(编号:12120114043301)”项目资助。
第一作者简介:黄长煌,1962年生,男,高级工程师,主要从事区域地质及矿产地质调查工作。
更新日期/Last Update: 2019-01-16