Hillenbrand, Ian W.

About the author

USGS Geochron: A Database of Geochronological and Thermochronological Dates and Data

Published ages, dates, analytical information, sample metadata including location, and source citations. The following analytical techniques are represented in the data set: 40Ar/39Ar, K-Ar, U-Th-Pb, Sm-Nd, Rb-Sr, Lu-Hf, fission track, and luminescence. Data are provided in CSV format.

Zircon U-Pb data for Proterozoic rocks in southwestern Colorado and rocks from drill core from Wyoming, Montana, and Nebraska

U-Pb zircon data and geochronology for Proterozoic rocks in this area to better understand the tectonic evolution of the area. Samples are from drill cores, part of a larger characterization of the age and geochemical character of basement terranes in the United States. Data are provided in CSV format.