He earned a Ph.D. from Princeton University in 1959 and was a professor of geology at the University of Colorado, where he began teaching ... the Pierre Shale and numerous detailed geologic maps, ...

The 3D models and maps are important for improved ... The data will also address scientific questions about Colorado’s 2-billion-year-old geologic history and why multiple mineralizing events ...

It will also yield a better understanding of the Colorado mineral belt – the ... Grauch warns that although the USGS’ mandate is to map the geology in search of critical minerals, it does ...

Residents in Northern Colorado may spot a low flying helicopter ... hula-hoop to measure small electromagnetic signals and map geologic features. The survey will allow the USGS to assess mineral ...