using isotopes to identify latitude for material and tempreatures.
Michael B Underwood has written: 'Vitrinite reflectance and estimates of paleotemperature for Franciscan terranes of coastal northern California' -- subject(s): Analysis, Geology, Stratigraphic, Paleothermometry, Rocks, Stratigraphic Geology 'Vitrinite reflectance and paleotemperature within Franciscan terranes of coastal northern California' -- subject(s): Measurement, Earth temperature, Paleothermometry 'Vitrinite reflectance and illite crystallinity, Cambria slab and Franciscan complex, central California coast' -- subject(s): Faults (Geology), Geology, Stratigraphic, Rock deformation, Stratigraphic Geology