[1]黃長煌.福建東山親營山巖組變質巖石榴石—黑云母地質溫度計的應用[J].華東地質,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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福建東山親營山巖組變質巖石榴石—黑云母地質溫度計的應用()
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《華東地質》[ISSN:2096-1871/CN:32-1865/P]

卷:
40
期數:
2019年01期
頁碼:
1-10
欄目:
基礎地質
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
文章編號:
2096-1871(2019)01-001-10
作者:
黃長煌
(福建省地質調查研究院,福州 350013)
Author(s):
Huang Chang-huang
(Fujian institute of Geological Survey, Fuzhou 350013,China)
關鍵詞:
石榴石-黑云母地質溫度計 白云母地質壓力計 親營山巖組 東山 福建
Keywords:
garnet-biotite geothermometer muscovite geobarometer Qinyingshan Formation Dongshan Fujian Province
分類號:
P588.32
DOI:
10.16788/j.hddz.32-1865/P.2019.01.001
文獻標志碼:
A
摘要:
福建東山蘇峰山地區親營山巖組含石榴石、黑云母和白云母。親營山巖組原巖為泥質巖,經歷了巖片俯沖、深埋擠壓和逆沖3個構造-變質作用階段,分別形成俯沖巖片(Ⅰ)、深埋擠壓巖片(Ⅱ)和逆沖巖片(Ⅲ)。俯沖階段為中溫低壓變質作用,深埋擠壓階段為高溫中壓進變質作用,逆沖階段為高溫低壓退變質作用。石榴石、黑云母和白云母為主要變質礦物,均為無環帶
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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備注/Memo

備注/Memo:
*收稿日期:2018-01-08 修訂日期:2018-05-09 責任編輯:譚桂麗
基金項目:中國地質調查局“江南—華夏古陸地質礦產調查(編號:12120114043301)”項目資助。
第一作者簡介:黃長煌,1962年生,男,高級工程師,主要從事區域地質及礦產地質調查工作。
更新日期/Last Update: 2019-01-16
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