Browsing Earth & Planetary Sciences (MS) by Subject "Ash-flow tuff"
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[2011-08-30] Paleomagnetic and AMS results from Oligocene ash-flow tuffs of the eastern San Juan Mountains : implications for the evolution of the western margin of the San Luis Basin, northern Rio Grande Rift The San Luis Basin (SLB) of the northern Rio Grande rift (RGR) is a spectacular intermontane basin in south-central Colorado. The SLB is an east-dipping, half graben basin that formed in response to extension beginning ca. ...