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The depositional environment and mineralogical and chemical compositions of high ash brown coal resting on early Tertiary saprock (Schirnding Coal Basin, SE Germany) by H.G Dill; H Wehner is a Engineering article available to read on EtoBox.
What is The depositional environment and mineralogical and chemical compositions of high ash brown coal resting on early Tertiary saprock (Schirnding Coal Basin, SE Germany) about?
The late Tertiary high ash brown coal R s 0.26% of the Schirnding Seam Zone is mainly r Ž composed of huminite. The seam is underlain by a thick saprock mica saprock ́kaolinite-mica . saprock some tens of meters thick which gradually developed from phyllitic basement rocks and a thin Footwall Series of coarse-grained clastic sediments which, however, occur only in a few places. The roof rocks ' Hanging Wall Series' abruptly appear on top of the seam and consist of massive gray mudstones and arenites, intercalated with some tuffites. These Tertiary series were studied in open-pit mines operated for coal and clay and in bore holes. Chemical investigation involved the analyses of TOC, TSC, Ni, Co, Pb, Zn, Ga, Be, V, Cr, U, Th, P, Zr, REE and organic Ž . compounds of extracted organic matter s OM . Early Tertiary chemical weathering was responsible for the monotonous kaolinite-mica-goethite mineral assemblage in the saprock and the footwall series. In the coal-bearing basin a more variegated mineral association including, pyrite, kaolinite, illite, smectite, illite-smectite mixed layers and siderite was brought about by volcanic processes, intrastratal solution set free in course of co
Who reads The depositional environment and mineralogical and chemical compositions of high ash brown coal resting on early Tertiary saprock (Schirnding Coal Basin, SE Germany)?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- H.G Dill; H Wehner
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0166-5162)
- Published
- 1999
- Language
- EN
- Field
- Engineering (Physical Sciences)