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Lithostratigraphy of the Mesoproterozoic Kliphoek Granite

机译:Mesoproterozoice Kliphoek花岗岩的Lithostrataphy

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摘要

The Kliphoek Granite is a mesocratic, porphyritic post-tectonic granite in the western Namaqualand sector of the Mesoproterozoic Namaqua-Natal Belt. It was mapped as one of 26 different types of granite of the Spektakel Suite by Council for Geoscience geologists. The granite is differentiated from other members of the suite on grounds of its greenish colour, dark -brown weathering outcrops and stubby phenocrysts. Its composition is that of a lesser evolved, shoshonitic monzogranite with no evidence of metamorphism. It has been dated at 1078 +/- 5 Ma and 1060 +/- 9 Ma. The granite is mined for dimension stone (Verde Bitterfontein).
机译:Kliphoek花岗岩是Mesoproterozoice Namaqua-Nata-Naina-Naina-Naina-Nata-Nata-Nata-Nata-Nata-Nata-Natal Belt中的一个聚焦,卟啉斑块构造花岗岩。 它被地质性地质学家理事会映射为Spektakel Suite的26种不同类型的花岗岩之一。 花岗岩在其绿色,暗型风化露头和粗糙的苯杂交的地面上与套件的其他成员区分开来。 它的组成是一种较小的演化,秋葵莫齐突,没有变质的证据。 它已在1078 +/- 5 mA和1060 +/- 9 ma日期。 花岗岩用于尺寸石(Verde Bitterfontein)。

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