Elemental Concentrations and Carbon and Oxygen Isotope Ratios in Mammillary Calcite from Devils Hole and Devils Hole II, Nevada, USA

Elemental concentrations and stable oxygen and carbon isotope ratios are reported for five mammillary calcite specimens collected from the groundwater-filled fissures Devils Hole and Devils Hole II in the southern Amargosa Desert, south-western Nevada. Previous studies of these specimens yielded oxygen and carbon isotope chronologies of paleoclimatic and paleo hydrologic conditions over an approximately 500,000-year time period as defined by uranium series dates (Winograd and others, 1992, 2006; Landwehr and others, 1997, 2011). The elemental concentration measurements reveal additional chronologies in the mammillary calcite. The specimens were sampled by milling contiguous 0.050-inch-thick layers (1.27 millimeters)...

Categories: Data; Tags: Amargosa Valley, Climatology, Death Valley National Park, Devils Hole, GGGSC, All tags... Geochemistry, Geology, Geophysics, and Geochemistry Science Center, Hydrology, MRP, Mineral Resource Program, Nevada, Nye County, USGS Science Data Catalog (SDC), United States, carbon isotope analysis, climate change effects, elemental chronologies, elemental concentrations, geochemistry, geoscientificInformation, mammillary calcite, mass spectrometry, oxygen isotope analysis, paleoclimate, paleohydrology, Fewer tags