Analysis on water conductivity of fault based on pumping test and dewatering test
Meikuang Anquan, 2022 In order to avoid the water disaster of fault and sandstone below the coal seam, it is necessary to master the conductivity of fault accurately. Through the dewatering test with large drawdown and water flow of Baotashan sandstone aquifer in the bottom ...
ZHAO Baofeng, LYU Yuguang
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Analysis of Sedimentary Characteristics in Balasu Coal Field of Northern Yuheng Mining Area
Meikuang Anquan, 2020 There are abundant coal resources in northern of Yuheng Mining Area of Jurassic coalfield in northern Shaanxi, but the coal mines in this area are generally affected by roof water hazards.
XU Shengji, LIU Yang, FANG Gang
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Comprehensive evaluation of drainage feasibility for thick sandstone aquifer of floor
Meikuang Anquan, 2021 In order to guide the water disater prevention and control of floor sandstone, it is necessary to make reasonable evaluation on the aquifer. Based on the hydrogeological conditions of typical mine and water disaster case, the pumping test data of ...
ZHAO Baofeng, LYU Yuguang
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Geological Controls on Mineralogy and Geochemistry of the Permian and Jurassic Coals in the Shanbei Coalfield, Shaanxi Province, North China [PDF]
Minerals, 2020 Coal as the source of critical elements has attracted much attention and the enrichment mechanisms are of significant importance. This paper has an opportunity to investigate the mineralogical and geochemical characteristics of the Permian and Jurassic bituminous coals and associated non-coals from two underground coal mines in the Shanbei Coalfield ...
Yunfei Shangguan +9 more
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An accurate record of volcanic ash fall deposition as characterized by dispersed organic matter in a Lower Permian tonstein bed (Faxinal Coalfield, Paraná Basin, Brazil) [PDF]
, 2013 For the first time, the dispersed organic matter in the tonstein layer interbedded with a coal seam in the Faxinal Coalfield (Sakmarian, Southern Paraná Basin, Brazil) is characterized. The deposition of clusters of pollen grains was highly influenced by
Cazzulo Klepzig, M. +5 more
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Meikuang Anquan, 2021 Taking Weiqiang Coal Mine 1313 working face as an example, through the analysis of mine geological, hydrogeological conditions, the main water-filled source and water-filled channel of working face mining are determined, and the surface collapse caused ...
WEI Xiaonong, FANG Gang, LIU Yang, LIU Xinghe, BAI Jing
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Chaotic breccia zones on the Pembroke Peninsula, south Wales: Evidence for collapse into voids along dilational faults [PDF]
, 2014 Chaotic breccias and megabreccias – locally called gash breccias – hosted within the Pembroke Limestone Group (Visean, Mississippian, lower Carboniferous) of southwest Wales are re-mapped along with spatially-related crackle and mosaic breccias.
Miller, AVM, Woodcock, NH, Woodhouse, CD
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Early Middle Paleozoic Intraplate Orogeny in the Ogcheon Belt (South Korea): A new insight on the Paleozoic buildup of east Asia [PDF]
, 1991 Laurent Jolivet est Professeur à l'Université d'Orléans depuis le 1er septembre 2009.International audienceThe polycyclic Ogcheon belt of South Korea represents the boundary between two Precambrian blocks.
Cadet, Jean-Paul +2 more
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Journal of Earth System Science, 2018 It is highly helpful and necessary to investigate and monitor the status of coal seam. Fortunately, remote sensing has facilitated the identification and dynamical monitoring of spontaneous combustion for a large area coal mining area, especially using the time series remotely-sensed datasets.
Yongan Xue +5 more
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Paleogene monsoons across India and South China: Drivers of biotic change [PDF]
, 2017 Monsoonal climates at low latitudes (2. Fossil leaf form reveals that under such 'hothouse' conditions megathermal early Eocene to earliest Miocene forests were exposed to strong monsoonal climates typical of those experienced today arising from annual ...
Aleksandrova, Galina +13 more
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