Electron-microprobe monazite dating of ca. 1.71-1.63 Ga and ca. 1.45-1.38 Ga deformation in the Homestake shear zone, Colorado: Origin and early evolution of a persistent intracontinental tectonic zone

Geology

Volumn 29, Issue 8, 2002, Pages 739-742

  Shaw, Colin A ^a   Karlstrom, Karl E ^a   Williams, Michael L ^a   Jercinovic, Michael J ^a   McCoy, Annie M ^a  

^a UNIVERSITY OF NEW MEXICO   (United States)

Author keywords

Geochronology; Monazite; Mylonite; Proterozoic; Reactivation; Shear zones

Indexed keywords

METAMORPHISM;

DEFORMATION; HIGH TEMPERATURE EFFECTS; KINEMATICS; MICROSTRUCTURE; TECTONICS;

GEOLOGY;

DUCTILE DEFORMATION; ELECTRON MICROSCOPY; GEOCHRONOLOGY; KINEMATICS; MONAZITE; PRECAMBRIAN; REACTIVATION; SHEAR ZONE; TECTONIC EVOLUTION;

UNITED STATES;

EID: 84879887189     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(2001)029<0739:EMMDOC>2.0.CO;2     Document Type: Article

References (16)

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2. U-Th-Pb chronology of zircons from the St. Kevin Granite, northern Sawatch Range. Colorado
3. Deep Probe and CD-ROM results: Crust and mantle discontinuity and P-wave structure across the Archean-Proterozoic Cheyenne suture in Colorado and Wyoming
4. The brittle-plastic transition in experimentally deformed quartz aggregates
5. Tectonic evolution of Paleoproterozoic rocks in the Grand Canyon: Insights into middle-crustal processes
6. Early Proterozoic assembly of tectonostratigraphic terranes in southwestern North America
7. Geometry, kinematics, and protracted deformation along the Colorado mineral belt mylonite network
8. Electron microprobe dating of monazite
9. Mesoproterozoic contractional orogeny in western North America: Evidence from ca. 1.4 Ga plutons
10. U-Pb dating of monazite and its application to geological problems
11. Re-Os ages for molybdenite record major Proterozoic crust- forming event in Colorado
12. Geology of the Mintura 15-minute Quadrangle, Eagle and Summit Counties. Colorado
13. Precambrian ancestry of the Colorado mineral belt
14. Age mapping and dating of monazite on the electron microprobe: Deconvoluting multistage tectonic histories