搜索结果: 1-8 共查到“矿床学与矿相学 Coal”相关记录8条 . 查询时间(0.078 秒)
Innovation Research on Eco-Planning of Heilongjiang Coal-Exhausted Town Subsidence Area
Coal Exhaustion Gangue Mountain Gob Area Special Land Subsidence Area
2011/12/21
Because of its special development, Heilongjiang coal city have problems of city decline and marginalized, which directly affects the whole function of urban space, one of the most prominent problems ...
Study on Mountainous Shallow-Buried Coal Seam Mining Working Face Strata Behaviors and Overlying Strata Movement Features
Mountainous Shallow-Buried Coal Seam Mining Movement Feature of Overlying Strata Working Face Strata Behaviors
2011/12/20
Through testing the mountainous shallow-buried coal seam mining working face strata behaviors in Faer mine field, it got the strata behaviors: it was of large roof pressure, high rate of safety valve ...
A Study on Forming Mechanism of Gas Tunnel in Non-Coal Strata
Forming Mechanism Gas Disaster Gas Tunnel Non-Coal Strata
2011/12/21
In addition to the gas tunnel in coal strata, there are a large number of gas tunnel in non-coal strata, these tunnels itself do not through the coal strata, but all encountered the gas problem in the...
Clay-Mineral Authigenesis in the Late Permian Coal Measures, Bowen Basin, Queensland, Australia
Chlorite Clay-Mineral Distribution Fluid Flow Illite-Smectite Kaolinite
2011/12/6
Abstract: Mineralogical studies were performed on authigenic clay minerals of mudrocks, sandstones, and bentonites from 38 boreholes in the Late Permian coal measures of the Bowen Basin. Clay-mineral ...
Mineral Assemblages of Volcanic and Detrital Partings in Tertiary Coal Beds, Kenai Peninsula, Alaska
Chlorite Coal partings Crandallite Illite Kaolinite Opal-CT Smectite Volcanic ash
2011/11/30
Abstract: Volcanic and non-volcanic partings are exposed in coal beds of the Tertiary Beluga and Sterling Formations along the shores of the Kenai lowland, Alaska. About two-thirds of the partings ori...
Mineralogy, Geochemistry, and Origin of the Underclays of the Central Coal Basin, Asturias, Spain
Chlorite Diagenesis Illite Illite/smectite Paragonite Pyrophyllite Underclay
2012/1/4
Samples of underclays corresponding to nine different coal beds of the María Luisa coal seam in the Aller valley (Asturias, Spain) were collected to determine whether their mineralogy and geochemistry...
Berthierine and Chamosite in Coal Measures of Japan
Berthierine Chamosite Coal Genesis Iron Siderite
2012/2/7
Berthierine (formerly chamosite) occurs as concretions, lenses, and bands in carbonaceous, kaolinitic shale of freshwater coal-swamp deposits in Paleogene and Upper Triassic coal measures of Japan. Te...
Kaolinite, Smectite, and K-Rectorite in Bentonites: Relation to Coal Rank at Tulameen, British Columbia
Bentonite Coal rank Kaolinite Mixed layer Rectorite Smectite Tonstein Vitrinite Zeolite
2012/2/9
The Tulameen coal field is part of an Eocene nonmarine basin which received extensive volcaniclastic sediments due to its location within an active magmatic arc. Bentonite partings in the coal origina...