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
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
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 OrogenAbstract: 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
Acta Geologica Sinica - Tập 80 Số 6 - Trang 844-863 - 2006
New Approaches and Markers for Identifying Secondary Biogenic Coalbed GasAbstract: 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
Acta Geologica Sinica - Tập 86 Số 1 - Trang 199-208 - 2012
REE Geochemistry in the Weathered Crust of Granites, Longnan Area, Jiangxi ProvinceAbstract 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
Acta Geologica Sinica - Tập 3 Số 2 - Trang 193-209 - 1990
2.7 Ga Monzogranite on the Songnen Massif and Its Geological Implications
Acta Geologica Sinica - Tập 92 Số 3 - Trang 1265-1266 - 2018
Structural Characteristics of the Andaman Forearc Inferred from Interpretation of Multichannel Seismic Reflection DataAbstract The 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
Acta Geologica Sinica - Tập 88 Số 4 - Trang 1145-1156 - 2014
Lower Triassic and Induan‐Olenekian Boundary in Chaohu, Anhui Province, South ChinaAbstract: 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
Acta Geologica Sinica - Tập 85 Số 2 - Trang 399-407 - 2011
Phases of Environmental Evolution Indicated by Primary Chemical Elements and Paleontological Records in the Upper Pleistocene‐Holocene Series for the Salawusu River Valley, ChinaAbstract: Studies of lithology, sedimentary facies and the distribution regularity of SiO2 and Al2 O3 contents and Al2 O3 /SiO2 ratio allow us to divide the Upper Pleistocene‐Holocene Series represented by the Milanggouwan section in China's Sala... ... hiện toàn bộ
Acta Geologica Sinica - Tập 81 Số 4 - Trang 555-565 - 2007
Prospects of Carboniferous Shale Gas Exploitation in the Eastern Qaidam BasinAbstract: 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
Acta Geologica Sinica - Tập 88 Số 2 - Trang 620-634 - 2014
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