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January 2021
January Talk: Thrust Faults as a Mechanism for Attenuation in the Steep Limbs of Laramide Folds in Colorado by Dr. Vince Matthews
THRUST FAULTS AS A MECHANISM FOR ATTENUATION IN THE STEEP LIMBS OF LARAMIDE FOLDS IN COLORADO By Dr. Vince Matthews, Retired Colorado State Geologist and Director of the Colorado Geological Survey ABSTRACT Key exposures of several Laramide, basementcored folds in Colorado provide views of an ordered architecture of faults in their forelimbs. The faults provide an important mechanism for thinning and extending the strata in the steep limbs as displacement on the master, basement fault increases. One location demonstrates…
Find out more »February 2021
February Talk: Structural inheritance for the Laramide, Central Montana Uplift: A wrench-fault tectonic model related to Proterozoic Orgogenesis in the Foreland of the North American Cordillera By Jeff Bader
Structural inheritance for the Laramide, Central Montana Uplift: A wrench-fault tectonic model related to Proterozoic Orgogenesis in the Foreland of the North American Cordillera By Jeff Bader, North Dakota Geological Survey
Find out more »March 2021
March Talk: Markagunt Gravity Slide in Utah (possibly the largest mass wasting feature recognized in geologic record?) by Bob Biek
Markagunt Gravity Slide in Utah (possibly the largest mass wasting feature recognized in geologic record?) by Bob Biek
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