Found 21 datasets matching "3He/4He".
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Twenty-five ore and gangue mineral separates from the Miocene-age Goldfield and Tonopah epithermal Au-Ag deposits in southwestern Nevada were analyzed to determine the helium, neon, and argon (He,...
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Fumarole gas geochemistry and tree-ring radiocarbon data at Mammoth Mountain, California (1989-2016)
Mammoth Mountain is a dacitic dome complex located on the southwestern rim of Long Valley Caldera, California. Mammoth Mountain has exhibited unrest over the past ~30 years, characterized by...
Search relevance: 88.60 | Views last month: 0 -
This dataset contains apatite and zircon U-Th(He)data, 4He/3He thermochronologic data, and apatite fission-track data from the southern Stillwater Range, Nevada
Search relevance: 87.00 | Views last month: 1 -
The IMPACT Suprathermal Ion Telescope (SIT) data consist of 1-min resolution ion fluxes of the following species (and numbers of energy bands, typically spanning ~0.04-9 MeV/n): H(12), 3He(10),...
Search relevance: 86.15 | Views last month: 0 -
The IMPACT Suprathermal Ion Telescope (SIT) data consist of 1-min resolution ion fluxes of the following species (and numbers of energy bands, typically spanning ~0.04-9 MeV/n): H(12), 3He(10),...
Search relevance: 75.42 | Views last month: 0 -
This data release documents three Microsoft Excel tables that contain data for understanding environmental tracer concentrations in groundwater of the Columbia Plateau aquifer system. Results of...
Search relevance: 66.25 | Views last month: 1 -
Dissolved Gas and Tracer Concentrations for the High Plains Aquifer, Vertical Flowpath Study Network
This data release documents three Microsoft Excel tables that contain data for understanding environmental tracer concentrations in groundwater of the High Plains aquifer system. Results of...
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This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
Search relevance: 59.81 | Views last month: 0 -
This Data Product contains Measurements from the ACE Solar Energetic Particle Ionic Charge Analyzer (SEPICA) Instrument. SEPICA is used to determine the Charge State Distribution of Energetic...
Search relevance: 55.42 | Views last month: 1 -
Continuous monitoring and discrete water-quality sampling were coupled in a karst aquifer to assess drivers and timescales of water-quality change. Water-quality data included environmental...
Search relevance: 54.06 | Views last month: 0 -
This study is an extension of the Hawaii Play Fairway Analysis (PFA), a statewide geothermal exploration project funded by the United States Department of Energy. Based on results from prior...
Search relevance: 51.58 | Views last month: 0 -
Noble gas raw data for the Hawaiian islands of Big Island, Maui, Oahu, Lanai, and Kauai. Based on results from prior phases of the Hawaii Play Fairway Analysis, this project targeted 66 wells on...
Search relevance: 50.34 | Views last month: 0 -
Water and gas chemistry data from: Mariner, R.H., Evans, W.C., Presser, T.S. and White, L.D., 2003. Excess nitrogen in selected thermal and mineral springs of the Cascade Range in northern...
Search relevance: 50.22 | Views last month: 0 -
Historical water and gas chemistry data from geothermal areas are important for detecting long-term patterns, informing geothermal energy exploration, development, and use, and for contextualizing...
Search relevance: 46.63 | Views last month: 0 -
Water and gas chemistry data from: Evans, W.C., van Soest, M.C., Mariner, R.H., Hurwitz, S., Ingebritsen, S.E., Wicks Jr., C.W. and Schmidt, M.E., 2004. Magmatic intrusion west of Three Sisters,...
Search relevance: 45.33 | Views last month: 0 -
Water and gas chemistry data from: Nathenson, M., and Mariner, R.H., 2013, Springs, streams, and gas vent on and near Mount Adams volcano, Washington: U.S. Geological Survey Scientific...
Search relevance: 44.25 | Views last month: 0 -
This data release documents eight Microsoft Excel tables; four which contain data for understanding groundwater ages in the South East Coastal Plain (SECP), Coastal Lowlands (CLOW) and Mississippi...
Search relevance: 38.44 | Views last month: 0 -
This data release documents nine Microsoft Excel tables that contain data for understanding groundwater ages in the Glacial aquifer system. Results for the four sample networks (PAS, principal...
Search relevance: 35.94 | Views last month: 0 -
Degassing thermal features at Yellowstone National Park include spectacular geysers, roiling hot springs, bubbling mud pots, fumaroles, frying pans, and areas of passive degassing characterized by...
Search relevance: 34.27 | Views last month: 1 -
Three wells in New Hampshire were sampled bimonthly over three years to evaluate the temporal variability of arsenic concentrations and groundwater age. All samples had measurable concentrations...
Search relevance: 25.64 | Views last month: 1
