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Showing 1 to 2 of 2 for “"Travertine Canyon"”.
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Relative Timing of Porphyroblast Growth and Peak Metamorphism in the Lower Granite Gorge, Grand Canyon, Arizona.
The Gneiss Canyon shear zone in the Lower Granite Gorge of the Grand Canyon represents an important Paleoproterozoic tectonic boundary between the Mojave and Yavapai provinces, and records west-side-up shear and NW-SE contraction at elevated temperature (~600 degrees Celsius). Movement took place …
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Microstructural, geochronologic and thermochronologic evidence for both Paleo- and Mesoproterozoic displacement across the Gneiss Canyon shear zone : lower Granite Gorge, Grand Canyon, Arizona
The Gneiss Canyon shear zone (GCSZ) in north-western Arizona sits between high grade migmatites on the west and lower amphibolite grade schists on the east. This 13 km-wide zone, contains domains of intense D2 strain up to 100m wide that separate blocks of preserved northwest-striking D1 fabric. …