Found 15 datasets matching "40Ar/39Ar age".
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This dataset accompanies planned publication 'Unmixing multiple metamorphic muscovite age populations with powder X-ran diffraction and 40Ar/39Ar analysis'. The 40Ar/39Ar and electron microprobe...
Search relevance: 108.96 | Views last month: 0 -
This dataset contains 40Ar/39Ar isotopic data and ages for rocks from the Yukon-Tanana upland of eastern Alaska and the northern Aleutian Range of south-central Alaska. The entire sample suite was...
Search relevance: 103.39 | Views last month: 0 -
The dataset includes whole-rock geochemistry and 40Ar-39Ar geochronology for Pleistocene to Oligocene volcanic and intrusive rocks. These data support figures and tables in days 2 and 3 of the...
Search relevance: 95.41 | Views last month: 0 -
This data release includes 40Ar/39Ar data from the U.S. Geological Survey for samples from Old Mine Park Area, Trumbull, Connecticut. Mineral samples were collected by Robert Wintsch and Harold...
Search relevance: 93.21 | Views last month: 1 -
This dataset contains major and trace element geochemical data and 40Ar/39Ar isotopic data and ages for rock samples collected during 2016 fieldwork in Glacier Bay National Park and Preserve. The...
Search relevance: 92.57 | Views last month: 1 -
This data release includes 40Ar/39Ar data from the U.S. Geological Survey for samples from the Santa Cruz Basin, Arizona. Mineral samples were collected by Kenzie Turner and William Page from the...
Search relevance: 89.85 | Views last month: 0 -
This dataset includes four tables with isotopic data and ages for selected igneous bedrock samples collected in 2001 through 2003 from the Western Alaska Range, southcentral Alaska: (1) the...
Search relevance: 82.81 | Views last month: 0 -
The northern half of the Lake Walcott 30 x 60 minute quadrangle shows the geology of the southern part of the Craters of the Moon lava field, the complex geologic features of the Holocene Kings...
Search relevance: 69.69 | Views last month: 0 -
Samples of vein-type magmatic-steam alunite were collected over several field seasons from five mines and prospects (L&N, Mt. Edna, Christmas, upper Mineral Products, and Close In) in the Alunite...
Search relevance: 61.03 | Views last month: 0 -
Instrument, standard, and sample data from application of in situ laser ablation-inductively coupled plasma-mass spectrometry (LA-ICPMS) dating of scheelite in thin section, and sample data from...
Search relevance: 59.41 | Views last month: 0 -
This 1:50,000-scale geologic map represents a compilation of the most recent geologic studies of the upper Arkansas River valley, between Leadville and Salida, Colorado. The valley is structurally...
Search relevance: 58.44 | Views last month: 0 -
This dataset contains polygons representing deposits of hyaloclastic debris that were generated between about 3.5 and 3.0 million years ago when a series of basaltic lava flows entered the canyon...
Search relevance: 44.90 | Views last month: 1 -
This data release contains analytical data from a suite of rock samples collected within the Bear Lodge alkaline complex, northeast Wyoming, which hosts the Bear Lodge rare earth element (REE)...
Search relevance: 38.97 | Views last month: 0 -
238U/206Pb SHRIMP, 40Ar/39Ar geochronologic, and geochemical data from the Central Virginia Piedmont
The Central Virginia Seismic Zone (CVSZ) is an area of historically increased earthquake activity that is of particular importance due to its proximity to many well-populated regions in the...
Search relevance: 38.90 | Views last month: 2 -
This release presents the GIS data (in GDB, shapefile, and e00 [coverage] formats) and metadata for a 1:24,000-scale geologic map of the Poncha Pass area in central Colorado. A...
Search relevance: 30.82 | Views last month: 0
