سال انتشار: ۱۳۸۵

محل انتشار: بیست و پنجمین گردهمایی علوم زمین

تعداد صفحات: ۳

نویسنده(ها):

yasushi watanabe – institute for geo -resources

چکیده:

Plate tectonic models for porphyry copper deposits originated in the early 1970 s just after the emergence of plate tectonic theory.It became widely accepted that prophyry deposits from beneath andesitic and dacitic startovolcanoes at convergent plate margins as a result of magnetite -series calc-alkaline magma-tism.