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The Badu Hill Pegmatite Llano County, Texas

机译:德克萨斯州巴杜山伟晶岩拉诺县

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摘要

The Badu Hill pegmatite is located about 4 miles west-southwest of Buchanan Dam and about 4.5 miles southwest of the former Baringer Hill which is now under Lake Buchanan. Badu Hill is on private land about 13 miles east of Llano. The pegmatite is exposed on a low hill and is approximately 700 feet long in an east-west direction and about 350 feet wide (King 1982). The country rock is Packsaddle Schist that occurs in an elongate 0.5 mile wide, east -west trending zone in coarse-grained granite (Chelf 1942). Barnes (1976) calls this metamorphic area a septum between the Lone Grove and Town Mountain plutons. He reported that the pegmatite is surrounded by a thick peripheral zone of graphic granite.
机译:Badu Hill伟晶岩位于布坎南水坝西南西南约4英里,距现在位于布坎南湖下的前Baringer Hill西南约4.5英里。巴杜山(Badu Hill)位于拉诺(Llano)以东约13英里的私人土地上。伟晶岩暴露在低矮的山丘上,东西方向长约700英尺,宽约350英尺(King 1982)。乡村岩石是Packsaddle Schist,出现在粗粒花岗岩中长0.5英里,东西向的趋势带中(Chelf 1942)。 Barnes(1976)将该变质区称为Lone Grove和Town Mountain小行星之间的隔片。他报告说伟晶岩周围有厚厚的图形花岗岩外围区域。

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