کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4734048 | 1357068 | 2010 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Rheology and microstructure of synthetic halite/calcite porphyritic aggregates in torsion
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی
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چکیده انگلیسی
Matrix halite deformed plastically, while calcite rotated rigidly or deformed in a brittle fashion, with grain size reduction by fracturing (e.g. bookshelf and boudinage). We conclude that halite was softer than calcite in the investigated temperature range. Strain was homogeneous at the sample scale but not at the grain scale where the foliation delineated by plastically flattened halite contoured the rigid calcite clasts. The microstructures experimentally produced at 100 and 200 °C are very similar and find their counterparts in natural mylonites: rolling structures, Ï and δ porphyroclast systems, bookshelf and boudinage in brittle calcite porphyroclasts, and ductile y and câ² micro shear bands in the halite matrix.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Structural Geology - Volume 32, Issue 3, March 2010, Pages 342-349
Journal: Journal of Structural Geology - Volume 32, Issue 3, March 2010, Pages 342-349
نویسندگان
F.O. Marques, L. Burlini, J.-P. Burg,