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Diverse tectonic models were used to explain the geologic evolution of the complexly deformed and metamorphosed Limpopo highgrade terrain of southern Africa. An ongoing discussion exist in the literature regarding the geologic evolution of this terrain. This discussion resulted from different interpretations of published data pertaining to the nature and timing of highgrade events that affected the Central Zone (CZ) at different times. This debate can also partially be explained by the availability of a more comprehensive database that became available with time. This study identifies the important geologic elements that are necessary to unravel the geologic evolution of the CZ by integrating detailed structural, metamorphic and geochronologic data from the regional distributed highgrade polymetamorphic granulites. This study calls for particular caution in the interpretation of data from polymetamorphic granulites, especially PbPb isotopic dates of metamorphic minerals and PT paths that are interpreted to reflect evidence for isothermal decompression, as they both may be based on mixed populations of metamorphic minerals.
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This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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