Timing relationships between pegmatite emplacement, metamorphism and deformation during the intra-plate Alice Springs Orogeny, central Australia
In the Harts Range (central Australia), the upper amphibolite facies to lower granulite facies, c. 480-460 Ma Harts Range Metamorphic Complex (HRMC), and the upper amphibolite facies, c. 340-320 Ma Entia Gneiss Complex are cut by numerous, generally peraluminous pegmatites and their deformed equivalents. The pegmatites have previously been interpreted as locally derived partial melts. However, SHRIMP U-Pb monazite and zircon dating of 29 pegmatites or their deformed equivalents, predominantly...[Show more]
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|Source:||Journal of Metamorphic Geology|
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