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The geogene and anthropogenetic impact on the formation of per descensum vivianite–goethite–siderite mineralization in Mesozoic and Cenozoic siliciclastic sediments in SE Germany by Harald G. Dill; Astrid Techmer is a Earth and Planetary Sciences article available to read on EtoBox.
What is The geogene and anthropogenetic impact on the formation of per descensum vivianite–goethite–siderite mineralization in Mesozoic and Cenozoic siliciclastic sediments in SE Germany about?
Different types of Fe mineralization developed during the post-glacial period by per descensum processes (mineralization deposited near-surface by the descending meteoric waters) in the topmost parts of the NE Bavarian basement and its foreland sediments. These ferricretes sensu lato contain mainly vivianite, some goethite and siderite. They were investigated by means of SEM-EDX, XRD, and XRF and examined under the petrographic and ore microscope. The age of formation of these ferricretes was determined by radiocarbon and optical stimulated luminescence dating. Based upon these age data, morphological differences and their mineralogical and chemical compositions, two different types of ferricretes were established in the study area. Type-I in the topmost part of the alluvial fan deposits is older than 6000 BC and of geogene origin only. Type II was formed between 645 and 875 AD in the regolith on the crystalline basement rocks. It was caused by geogene and anthropogenic processes, when the first settlers in this area began smelting iron ore. Vivianite is also a common mineral of the ironstone deposits in the Cretaceous foreland sediments and of vein mineralization in crystalline ba
Who reads The geogene and anthropogenetic impact on the formation of per descensum vivianite–goethite–siderite mineralization in Mesozoic and Cenozoic siliciclastic sediments in SE Germany?
It is typically read by researchers, students, and practitioners in Earth and Planetary Sciences.
- Author
- Harald G. Dill; Astrid Techmer
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0037-0738)
- Published
- 2009
- Language
- EN
- Field
- Earth and Planetary Sciences (Physical Sciences)