从岩浆岩看青藏高原地壳的生长演化
发布时间:2021-04-27 04:15
青藏巨厚陆壳的性质和形成机制,是重要的科学问题.通过对青藏岩浆岩,特别是其Nd、Hf同位素的研究,证明青藏高原并存着新生地壳和再循环地壳两类地壳.地壳的结构和属性对成矿矿种、矿床类型和分布有重要的控制作用.青藏巨厚地壳是由两种机制(构造加厚;地幔物质通过岩浆作用注入加厚)共同造成的,二者贡献比例约6∶4.地壳增厚主要发生在50~25 Ma期间.大陆碰撞带是造成地壳净生长的重要构造部位.
【文章来源】:地球科学. 2020,45(07)北大核心EICSCD
【文章页数】:13 页
【文章目录】:
1 青藏高原的两类陆壳
1.1 2005年及其以前的工作
1.2 对冈底斯带(拉萨地块)地壳的进一步系统研究
1.3 Hf同位素填图及岩石圈架构对矿产类型的控制
2 青藏高原巨厚地壳形成的机制
2.1 青藏高原地壳增厚的两种机制
2.2 地壳增厚的过程及两种机制对增厚的相对贡献
3 结语
【参考文献】:
期刊论文
[1]岩浆作用与地球深部过程[J]. 莫宣学. 地球科学. 2019(05)
[2]同位素填图与深部物质探测(Ⅱ):揭示地壳三维架构与区域成矿规律[J]. 侯增谦,王涛. 地学前缘. 2018(06)
[3]岩浆与岩浆岩:地球深部“探针”与演化记录[J]. 莫宣学. 自然杂志. 2011(05)
[4]西藏冈底斯南带辉长岩及其所反映的壳幔作用信息[J]. 董国臣,莫宣学,赵志丹,朱弟成,宋云涛,王磊. 岩石学报. 2008(02)
[5]冈底斯岩浆带中段岩浆混合作用:来自花岗杂岩的证据[J]. 董国臣,莫宣学,赵志丹,朱弟成,王亮亮,陈涛,李冰. 岩石学报. 2006(04)
[6]冈底斯造山带的时空结构及演化[J]. 潘桂棠,莫宣学,侯增谦,朱弟成,王立全,李光明,赵志丹,耿全如,廖忠礼. 岩石学报. 2006(03)
[7]Geochronologic Constraints on the Magmatic Underplating of the Gangdisê Belt in the India-Eurasia Collision: Evidence of SHRIMP II Zircon U-Pb Dating[J]. DONG Guochen1, 2, 3, MO Xuanxue1, 2, ZHAO Zhidan1, 2, GUO Tieying2, WANG Liangliang1 and CHEN Tao1 1 State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083; 2 School of Earth Science and Resources, China University of Geosciences, Beijing 100083; E-mail: moxx@cugb.edu.cn 3 Hebei Bureau of Geology and Mineral Exploration and Development, Shijiazhuang, Hebei 050081. Acta Geologica Sinica(English Edition). 2005(06)
[8]西藏冈底斯带花岗岩的时空分布特征及地壳生长演化信息[J]. 莫宣学,董国臣,赵志丹,周肃,王亮亮,邱瑞照,张风琴. 高校地质学报. 2005(03)
[9]Timing of Magma Mixing in the Gangdisê Magmatic Belt during the India-Asia Collision: Zircon SHRIMP U-Pb Dating[J]. MO Xuanxue1,2, DONG Guochen1,2,3, ZHAO Zhidan1,2, GUO Tieying1, WANG Liangliang1 and CHEN Tao1 1 State Key Laboratory of Geo-Processes and Mineral Resources, China University of Geosciences, Beijing 100083; 2 School of Earth Science and Resources, China University of Geosciences, Beijing 100083 3 Heibei Bureau of Geology and Mineral Exploration and Development, Shijiazhuang, Hebei 050081. Acta Geologica Sinica(English Edition). 2005(01)
[10]40Ar-39Ar geochronology of Cenozoic Linzizong volcanic rocks from Linzhou Basin, Tibet, China, and their geological implications[J]. ZHOU Su1,2, MO Xuanxue1,2, DONG Guochen2, ZHAO Zhidan2, QIU Ruizhao3, GUO Tieying2 & WANG Liangliang2 1. Key Laboratory of Lithospheric Tectonics Deep-level Process and Exploration Ministry of Education, China University of Geosciences, Beijing 100083, China; 2. China University of Geosciences, Beijing 100083, China; 3. Institute of Geology, Chinese Academy of Geological Sciences, Bei-jing 100037, China Correspondence should be addressed to Mo Xuanxue (e-mail: moxx@ cugb.edu.cn). Chinese Science Bulletin. 2004(18)
本文编号:3162746
【文章来源】:地球科学. 2020,45(07)北大核心EICSCD
【文章页数】:13 页
【文章目录】:
1 青藏高原的两类陆壳
1.1 2005年及其以前的工作
1.2 对冈底斯带(拉萨地块)地壳的进一步系统研究
1.3 Hf同位素填图及岩石圈架构对矿产类型的控制
2 青藏高原巨厚地壳形成的机制
2.1 青藏高原地壳增厚的两种机制
2.2 地壳增厚的过程及两种机制对增厚的相对贡献
3 结语
【参考文献】:
期刊论文
[1]岩浆作用与地球深部过程[J]. 莫宣学. 地球科学. 2019(05)
[2]同位素填图与深部物质探测(Ⅱ):揭示地壳三维架构与区域成矿规律[J]. 侯增谦,王涛. 地学前缘. 2018(06)
[3]岩浆与岩浆岩:地球深部“探针”与演化记录[J]. 莫宣学. 自然杂志. 2011(05)
[4]西藏冈底斯南带辉长岩及其所反映的壳幔作用信息[J]. 董国臣,莫宣学,赵志丹,朱弟成,宋云涛,王磊. 岩石学报. 2008(02)
[5]冈底斯岩浆带中段岩浆混合作用:来自花岗杂岩的证据[J]. 董国臣,莫宣学,赵志丹,朱弟成,王亮亮,陈涛,李冰. 岩石学报. 2006(04)
[6]冈底斯造山带的时空结构及演化[J]. 潘桂棠,莫宣学,侯增谦,朱弟成,王立全,李光明,赵志丹,耿全如,廖忠礼. 岩石学报. 2006(03)
[7]Geochronologic Constraints on the Magmatic Underplating of the Gangdisê Belt in the India-Eurasia Collision: Evidence of SHRIMP II Zircon U-Pb Dating[J]. DONG Guochen1, 2, 3, MO Xuanxue1, 2, ZHAO Zhidan1, 2, GUO Tieying2, WANG Liangliang1 and CHEN Tao1 1 State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083; 2 School of Earth Science and Resources, China University of Geosciences, Beijing 100083; E-mail: moxx@cugb.edu.cn 3 Hebei Bureau of Geology and Mineral Exploration and Development, Shijiazhuang, Hebei 050081. Acta Geologica Sinica(English Edition). 2005(06)
[8]西藏冈底斯带花岗岩的时空分布特征及地壳生长演化信息[J]. 莫宣学,董国臣,赵志丹,周肃,王亮亮,邱瑞照,张风琴. 高校地质学报. 2005(03)
[9]Timing of Magma Mixing in the Gangdisê Magmatic Belt during the India-Asia Collision: Zircon SHRIMP U-Pb Dating[J]. MO Xuanxue1,2, DONG Guochen1,2,3, ZHAO Zhidan1,2, GUO Tieying1, WANG Liangliang1 and CHEN Tao1 1 State Key Laboratory of Geo-Processes and Mineral Resources, China University of Geosciences, Beijing 100083; 2 School of Earth Science and Resources, China University of Geosciences, Beijing 100083 3 Heibei Bureau of Geology and Mineral Exploration and Development, Shijiazhuang, Hebei 050081. Acta Geologica Sinica(English Edition). 2005(01)
[10]40Ar-39Ar geochronology of Cenozoic Linzizong volcanic rocks from Linzhou Basin, Tibet, China, and their geological implications[J]. ZHOU Su1,2, MO Xuanxue1,2, DONG Guochen2, ZHAO Zhidan2, QIU Ruizhao3, GUO Tieying2 & WANG Liangliang2 1. Key Laboratory of Lithospheric Tectonics Deep-level Process and Exploration Ministry of Education, China University of Geosciences, Beijing 100083, China; 2. China University of Geosciences, Beijing 100083, China; 3. Institute of Geology, Chinese Academy of Geological Sciences, Bei-jing 100037, China Correspondence should be addressed to Mo Xuanxue (e-mail: moxx@ cugb.edu.cn). Chinese Science Bulletin. 2004(18)
本文编号:3162746
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