کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6444502 | 1640394 | 2013 | 48 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ages of sediment-hosted Himalayan Pb-Zn-Cu-Ag polymetallic deposits in the Lanping basin, China: Re-Os geochronology of molybdenite and Sm-Nd dating of calcite
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی
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چکیده انگلیسی
To define the metallogenic history of the study area, we dated nine calcite samples associated with copper sulfides from the Jinman Cu deposit by the Sm-Nd method and five molybdenite samples from the Liancheng Cu-Mo deposit by the Re-Os method. The calcite Sm-Nd age for the Jinman deposit (58 ± 5 Ma) and the molybdenite Re-Os age for the Liancheng deposit (48 ± 2 Ma), together with previously published chronological data, demonstrate (1) the Cu-Ag mineralization in the western Lanping basin mainly occurred in three episodes (i.e., â¼56-54, 51-48, and 31-29 Ma), corresponding to the main- and late-collisional stages of the Indo-Asian orogeny; and (2) the Pb-Zn-Ag (±Cu) mineralization in the eastern Lanping basin lacked precise and direct dating, however, the apatite fission track ages of several representative deposits (21 ± 4 Ma to 32 ± 5 Ma) may offer some constraints on the mineralization age.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Asian Earth Sciences - Volume 73, 5 September 2013, Pages 284-295
Journal: Journal of Asian Earth Sciences - Volume 73, 5 September 2013, Pages 284-295
نویسندگان
Jinrang Zhang, Hanjie Wen, Yuzhuo Qiu, Yuxu Zhang, Chao Li,