کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4732824 | 1640440 | 2007 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Timing of the Tsergo Ri landslide, Langtang Himal, determined by fission-track dating of pseudotachylyte
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موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Timing of the Tsergo Ri landslide, Langtang Himal, determined by fission-track dating of pseudotachylyte Timing of the Tsergo Ri landslide, Langtang Himal, determined by fission-track dating of pseudotachylyte](/preview/png/4732824.png)
چکیده انگلیسی
Fission-track dating was carried out on zircon grains from pseudotachylyte associated with a Late Pleistocene landslide (Tsergo Ri landslide) in Langtang Himal, Nepal. Zircon grains were separated from an injection pipe of glassy and vesicular pseudotachylyte about 10 cm in diameter. The resulting age of 51±13 Ka lies between the two subpeaks (70 and 20 Ka) of the Würm glacial period, and is concordant with the previous age estimate from geomorphological evidence (i.e. older than 25–30 Ka). This is the first reliable isotopic age for a landslide-generated pseudotachylyte excluding the possibility of contamination by an inherited age.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Asian Earth Sciences - Volume 29, Issues 2–3, 1 February 2007, Pages 466–472
Journal: Journal of Asian Earth Sciences - Volume 29, Issues 2–3, 1 February 2007, Pages 466–472
نویسندگان
Hideo Takagi, Kazunori Arita, Tohru Danhara, Hideki Iwano,