Geology of the Grandfather Mountain Window and Vicinity, North Carolina and Tennessee
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The Blue Ridge belt in northwestern North Carolina and northeastern Tennessee is composed chiefly of 1,000-million to 1,100-million-year-old metamorphic and plutonic...
坐落于北卡罗来纳州西北部与田纳西州东北部的蓝岭带（Blue Ridge belt），主要由距今10亿至11亿年的变质岩（metamorphic）与深成岩体（plutonic）构成……
