Results: 1 - 2 of 2
Jun 04, 2018
Open File Report
… shale samples from the following Devonian and Jurassic formations in … isotope dating of selected Devonian and Jurassic core samples … Isotope Dating of Selected Devonian and Jurassic Core Samples …
Nov 30, 2003
Special Report
… units are overlain in places by Devonian strata and ubiquitously by … study. The Paleozoic section, Devonian with perhaps some older …