Geofluids

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Các thành phần dịch lỏng ở các độ sâu khác nhau trong mỏ vàng Sanshandao, bán đảo Jiaodong, Trung Quốc Dịch bởi AI
Geofluids - Tập 13 Số 4 - Trang 528-541 - 2013
Fangfang Hu, Hong‐Rui Fan, Xiaoyan Jiang, X. C. Li, Kui‐Feng Yang, Terrence P. Mernagh
Tóm tắtMỏ vàng Sanshandao, nằm ở phía tây bắc của bán đảo Jiaodong, đông Bắc Trung Quốc, là một trong những mỏ vàng lớn nhất thuộc tỉnh vàng Jiaodong. Tại đây, quặng kiểu phân tán và kiểu mạch được chứa trong các granitoid thuộc thời kỳ Mesozoi. Sự khoáng hóa và biến đổi chủ yếu bị kiểm soát bởi đứt gãy Sanshandao–Cangshang ở vùng này. Sericite trích xuất từ các đá...... hiện toàn bộ
Multiscale Fracture Analysis in a Reservoir-Scale Carbonate Platform Exposure (Sorrento Peninsula, Italy): Implications for Fluid Flow
Geofluids - Tập 2018 - Trang 1-10 - 2018
Luigi Massaro, Amerigo Corradetti, Francesco Vinci, Stefano Tavani, Alessandro Iannace, Mariano Parente, Stefano Mazzoli
We derive the discrete fracture network (DFN) of a Lower Cretaceous carbonate platform succession exposed at Mt. Faito (Southern Apennines), which represents a good outcrop analogue of the coeval productive units of the buried Apulian Platform in the Basilicata oilfields. A stochastic distribution of joints has been derived by sampling at two different scales of observation. At the outcrop...... hiện toàn bộ
Performance Evaluation of Polyethersulfone Membranes for Competitive Removal of Cd2+, Co2+, and Pb2+ Ions from Simulated Groundwater
Geofluids - Tập 2021 - Trang 1-11 - 2021
Ahmed A. Mohammed, Sama M. Al‐Jubouri, Nasser Zouli, Hasan Shaker Majdi, Issam K. Salih, Muayad Al-Shaeli, Ayham M. Ismail Al-Rahawi ., Qusay F. Alsalhy, Alberto Figoli
This paper presents studying the performance of three types of polyethersulfone (PES) membrane for the simultaneous removal of Co2+ ions, Cd2+ ions, and Pb2+ ions from binary and ternary aqueous solutions. Co2+ ions, Cd2+ ions, and Pb2+ ions with two different initial concentrations (e.g., 10 and 50 ppm) were selected as examples of heavy metals that contaminate the groundwater as a result...... hiện toàn bộ
Mineralized Granitic Porphyry of the Yangla Copper Deposit, Western Yunnan, China: Geochemistry of Fluid Inclusions and H-O, S, and Pb Isotopes
Geofluids - Tập 2020 - Trang 1-32 - 2020
Xinfu Wang, Bo Li, Shenjin Guan, Olivier Nadeau, Tang Guo
The Yangla copper deposit (YCD) is located in the central part of the Jinshajiang tectonic belt (Jinshajiang metallogenic belt) and is one of the most important copper deposits which has the large-scale copper reserves of the northwestern Yunnan, China. The ore bodies are strictly controlled by the stratum, pluton, and structure, which are layered, lens, and vein-like within the contact or...... hiện toàn bộ
Zircon U–Pb Ages and Geochemistry of Granite Porphyries in the Yangla Cu Deposit, SW China: Constraints on Petrogenesis and Tectonic Evolution of the Jinshajiang Suture Belt
Geofluids - Tập 2020 - Trang 1-35 - 2020
Bo Li, Xinfu Wang, Li‐Juan Du, Zuopeng Xiang, Tang Guo, Zhilong Huang
Located in the eastern part of the Tethyan tectonic domain, the Jinshajiang Suture Belt (JSB), northwestern Yunnan, China, is notable for its large-scale distribution of Jurassic to Triassic granitoids that are genetically related to the evolution of the Paleo-Tethys Ocean and polymetallic mineralization. In this study, geochronological and geochemical analyses were conducted on three samp...... hiện toàn bộ
Measurements of gas permeability and diffusivity of tight reservoir rocks: different approaches and their applications
Geofluids - Tập 9 Số 3 - Trang 208-223 - 2009
Xinrui Cui, A. M. M. Bustin, R.M. Bustin
AbstractPermeability and diffusivity are critical parameters of tight reservoir rocks that determine their viability for commercial development. Current methods for measuring permeability and/or diffusivity may lead to erroneous results when applied to very tight rocks including gas shales, coal, and tight gas sands, as well as rocks considered as seals for nuclear...... hiện toàn bộ
Study on Wellbore Stability and Failure Regions of Shale considering the Anisotropy of Wellbore Seepage
Geofluids - Tập 2021 - Trang 1-13 - 2021
Zhang Fan, Houbin Liu, Yingfeng Meng, Shuai Cui, Hefu Ye
The hard and brittle shale formation is prone to collapse and instability, and the penetration of drilling fluid along the bedding reduces the mechanical properties of rock near the borehole wall, resulting in serious downhole accidents. Therefore, in this paper, the geomechanical parameters of the reservoir in the Longmaxi formation of Jiaoshiba were determined by field hydraulic fracturi...... hiện toàn bộ
Combining finite element and finite volume methods for efficient multiphase flow simulations in highly heterogeneous and structurally complex geologic media
Geofluids - Tập 4 Số 4 - Trang 284-299 - 2004
Sebastian Geiger, Stephen Roberts, Stephan K. Matthäi, Christopher Zoppou, A. Burri
AbstractThe permeability of the Earth's crust commonly varies over many orders of magnitude. Flow velocity can range over several orders of magnitude in structures of interest that vary in scale from centimeters to kilometers. To accurately and efficiently model multiphase flow in geologic media, we introduce a fully conservative node‐centered finite volume method ...... hiện toàn bộ
Geofluid Systems of Koryaksky-Avachinsky Volcanoes (Kamchatka, Russia)
Geofluids - Tập 2017 - Trang 1-21 - 2017
A. V. Kiryukhin, V. Yu. Lavrushin, P.A. Kiryukhin, P.О. Voronin
The Koryaksky-Avachinsky volcanogenic basin, which has an area of 2530 km2, is located 25 km from Petropavlovsk-Kamchatsky City and includes five Quaternary volcanoes (two of which, Avachinsky (2750 masl) and Koryaksky (3456 masl), are active), and is located within a depression that has formed atop Cretaceous basement rocks. Magma injection zones (dikes and chamber-li...... hiện toàn bộ
Freeze-Thaw Effects on Stability of Open Pit Slope in High-Altitude and Cold Regions
Geofluids - Tập 2021 - Trang 1-10 - 2021
Yong Hong, Zhushan Shao, Shi Guang-bin, Yong Dou, Weiqin Wang, Wen Zhang
The cycle of the freeze-thaw action must be taken into account in the stability analysis of an open pit slope in the high-altitude and cold regions, because the natural process of freeze-thaw poses a significant effect on mechanical properties of the rock mass. To achieve this purpose, a linear relationship between the geological strength index (GSI) and the Tianshan slope rock mass rating...... hiện toàn bộ
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