Acta Geologica Sinica

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Geofluids Hosted in the Deep Crust: From Systematics to Parametrization of their Significance
Acta Geologica Sinica - Tập 95 Số S1 - Trang 31-33 - 2021
Giovanni Martinelli
Geochemical Characteristics of C5–C7 Light Hydrocarbons in Gas Hydrates from the Permafrost Region of Qilian Mountains
Acta Geologica Sinica - Tập 90 Số 6 - Trang 2283-2284 - 2016
Min Zhang, Ting Kong, Yu He
U‐Pb Age and Hf Isotope Study of Detrital Zircons from the Wanzi Supracrustals: Constraints on the Tectonic Setting and Evolution of the Fuping Complex, Trans‐North China Orogen
Acta Geologica Sinica - Tập 80 Số 6 - Trang 844-863 - 2006
Xiaoping Xia, Min Sun, Guochun Zhao, Fu‐Yuan Wu, Ping Xu, Jian Zhang, Yanhong He, Ji-Heng Zhang
Abstract: Located in the middle segment of the Trans‐North China Orogen, the Fuping Complex is considered as a critical area in understanding the evolution history of the North China Craton (NCC). The complex is composed of various high‐grade and multiply deformed rocks, including gray gneiss, basic granulite, amphibolite, fine‐grained gneiss and marble, metamorphos...... hiện toàn bộ
New Approaches and Markers for Identifying Secondary Biogenic Coalbed Gas
Acta Geologica Sinica - Tập 86 Số 1 - Trang 199-208 - 2012
Mingxin Tao, Li Jing, Xiaobin Li, Yuzhen Ma, Zhongping Li, Zuodong Wang, Gao Zhongliang, Zhang Xiao-jun, Yanlong Wang
Abstract:According to the adsorption‐desorption characteristics of coalbed gas and analysis of various experimental data, this paper proposes that the generation of secondary biogenic gas (SBG) and its mixing of with the residual thermogenic gas at an early stage inevitably lead to secondary changes of the thermogenic gas and various geochemical additive effects. E...... hiện toàn bộ
REE Geochemistry in the Weathered Crust of Granites, Longnan Area, Jiangxi Province
Acta Geologica Sinica - Tập 3 Số 2 - Trang 193-209 - 1990
Wu Chengyu, Huang Dianhao, Guo Zhongxun
Abstract Warm and humid climate and gentle hilly topography have provided favourable conditions for the development of the weathering crust of the granite intrusions in the Longnan area, Jiangxi Province. REE is mostly concentrated in an adsorption state in clay in the wholly weathered zone. The rare‐earth minerals enriched in the parent rocks provided the source mat...... hiện toàn bộ
2.7 Ga Monzogranite on the Songnen Massif and Its Geological Implications
Acta Geologica Sinica - Tập 92 Số 3 - Trang 1265-1266 - 2018
Xinwei Wu, Chao Zhang, Chao Zhang, Wei Guo, Cui Tianri, Yajun Yang, HU Jian-fei, Wanbing SONG
Structural Characteristics of the Andaman Forearc Inferred from Interpretation of Multichannel Seismic Reflection Data
Acta Geologica Sinica - Tập 88 Số 4 - Trang 1145-1156 - 2014
Goli Anitha, Dhananjai K. Pandey
AbstractThe Andaman Forearc Basin (AFB) is asymmetric in configuration and filled with a ∼6 km‐thick pile of Neogene to Recent sediments (∼4 s in two‐way travel time: TWT) with distinct zonation. It shows gradual thinning up to ∼3 km (0.8 s in TWT) towards the eastern end with a seabed gradient of 1:30. Thick deformed sediments ∼2 s (TWT) of the Outerarc are associ...... hiện toàn bộ
Lower Triassic and Induan‐Olenekian Boundary in Chaohu, Anhui Province, South China
Acta Geologica Sinica - Tập 85 Số 2 - Trang 399-407 - 2011
Jinnan Tong, Laishi Zhao
Abstract:Since the West Pingdingshan Section in Chaohu was proposed as the candidate of the Global Stratotype Section and Point of the Induan‐Olenekian boundary in 2003, the Lower Triassic of Chaohu has been extensively studied. Based on the studies on the Lower Triassic of Chaohu, (1) a continuous conodont zonation is established, which has become an important ref...... hiện toàn bộ
Phases of Environmental Evolution Indicated by Primary Chemical Elements and Paleontological Records in the Upper Pleistocene‐Holocene Series for the Salawusu River Valley, China
Acta Geologica Sinica - Tập 81 Số 4 - Trang 555-565 - 2007
Baosheng Li, Xiaohao Wen, Qiu Shifan, David Dian Zhang, Shuhuan Du, Chen Deniu, Xianjiao Ou, Dongfeng Niu
Abstract: Studies of lithology, sedimentary facies and the distribution regularity of SiO2 and Al2O3 contents and Al2O3/SiO2 ratio allow us to divide the Upper Pleistocene‐Holocene Series represented by the Milanggouwan section in China's Sala...... hiện toàn bộ
Prospects of Carboniferous Shale Gas Exploitation in the Eastern Qaidam Basin
Acta Geologica Sinica - Tập 88 Số 2 - Trang 620-634 - 2014
Yingjie Li, Yanling SUN, Yan Zhao, Chun Chang, Qingchun Yu, Yinsheng Ma
Abstract:Shale gas is a resource of emerging importance in the energy field. Many countries in the world have been making big financial investments in this area. Carboniferous shale in the eastern Qaidam Basin shows good exploration prospects, but limited research and exploration work for shale oil and gas resources has been undertaken. Geochemical analyses were pe...... hiện toàn bộ
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