Geology and geochemistry of the Klipberg alkali feldspar granite and associated hydrothermally altered rocks in the Darling batholith, southwestern Cape Province

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dc.contributor.authorScheepers R.
dc.contributor.authorSchoch A.E.
dc.date.accessioned2011-05-15T16:00:36Z
dc.date.available2011-05-15T16:00:36Z
dc.date.issued1988
dc.description.abstractConsecutive hydrothermal episodes altered parts of the two-mica Klipberg alkali feldspar granite to albitite and quartz episyenite. Various degrees of contamination by assimilation of country rock (biotite granite and granodiorite) are responsible for the development of mineralogically distinct quartz episyenites. Two episodes of K-metasomatism and albitization define distinct alteration trends reminiscent of the alteration trends in the Cornish and French Hercynean leucogranites. Trace element characteristics correspond with those of mineralized granitoids of alkaline series. Geochemical characteristics show correspondences with anorogenic alkaline, peralkaline, and A-type granites. The Rb-Zr and Y-contents of the alkali feldspar granite and hydrothermally altered rocks support a within-plate genetic model. -Authors
dc.identifier.citationSouth African Journal of Geology
dc.identifier.citation91
dc.identifier.citation2
dc.identifier.issn10120750
dc.identifier.urihttp://hdl.handle.net/10019.1/11786
dc.subjectalbitization
dc.subjectassimilation
dc.subjectDarling batholith
dc.subjectgeochemical characteristics
dc.subjectGranite
dc.subjecthydrothermal alteration
dc.subjectmetasomatism
dc.subjecttectonic setting
dc.subjectSouth Africa, Cape Province
dc.titleGeology and geochemistry of the Klipberg alkali feldspar granite and associated hydrothermally altered rocks in the Darling batholith, southwestern Cape Province
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