Deformed monazite yields high-temperature tectonic ages

The deformation of monazite in the polymetamorphic Sandmata granulite complex in India has been investigated by electron backscattered diffraction and sensitive high-resolution ion microprobe (SHRIMP). Quantitative microstructural analyses document the development of deformation twins in {100}, {001...

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Bibliographic Details
Published in:Geology (Boulder) 2015-05, Vol.43 (5), p.383-386
Main Authors: Erickson, T. M, Pearce, M. A, Taylor, R. J. M, Timms, N. E, Clark, C, Reddy, S. M, Buick, I. S
Format: Article
Language:English
Subjects:
absolute age
Aravalli Range
Asia
Banded Gneissic Complex
dates
Deformation
Geochronology
Geology
granites
High temperature
igneous rocks
India
Indian Peninsula
leucogranite
Microstructure
monazite
Paleoproterozoic
phosphates
plastic deformation
Plate tectonics
plutonic rocks
Precambrian
Proterozoic
Rajasthan India
Sandmata Complex
Structural geology
tectonics
twinning
U/Th/Pb
upper Precambrian
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Summary:The deformation of monazite in the polymetamorphic Sandmata granulite complex in India has been investigated by electron backscattered diffraction and sensitive high-resolution ion microprobe (SHRIMP). Quantitative microstructural analyses document the development of deformation twins in {100}, {001}, and {122} orientations; low-angle (
ISSN:0091-7613
1943-2682
DOI:10.1130/G36533.1