کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4690853 | 1636178 | 2007 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The origin of a giant downward directed clastic dyke in a kame (BeÅchatów mine, central Poland)
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
فرآیندهای سطح زمین
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
A kame near Czubata Góra in the Pleistocene overburden of the BeÅchatów open-cast browncoal mine in central Poland shows several types of deformations. A number of diapirs occur, but also a structure that shows all characteristics of a diapir but consists of sediments that apparently intruded the underlying rather than the overlying sediments. Analysis of this structure shows that it consists of material that was originally deposited as a fine-grained (mainly silty) glacilacustrine sediment. Seismic activity triggered the material to fluidise, resulting in a structureless mass. Part of the fluidised material flowed down into a fissure that had formed in the underlying sediments (probably due to tectonics in the active graben), thus forming a clastic dyke; more of the overlying silty material was later pressed down into a dyke with the shape of a downward directed diapir.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sedimentary Geology - Volume 193, Issues 1â4, 1 January 2007, Pages 71-79
Journal: Sedimentary Geology - Volume 193, Issues 1â4, 1 January 2007, Pages 71-79
نویسندگان
Jan Goździk, Antonius J. (Tom) van Loon,