Found 26 datasets matching "biotite".
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Spreadsheet containing chlorite, illite, and biotite rate data and rate equations that can be used in reactive transport simulations. Submission includes a report on the development of the rate laws.
Search relevance: 130.66 | Views last month: 0 -
Chemical reactions pose an important but poorly understood threat to EGS long-term success because of their impact on fracture permeability. This report summarizes the dissolution rate equations...
Search relevance: 116.52 | 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: 51.30 | Views last month: 0 -
These 40Ar/39Ar thermochronologic data for biotite, hornblende, and K-feldspar from Butte granite country rock are for the study of the Butte mining district, U.S.A. Results of the study are...
Search relevance: 43.13 | Views last month: 0 -
This data release includes 40Ar/39Ar intercalibration data from the U.S. Geological Survey for neutron fluence monitors HD-B1 (Heidelberg biotite) and FCs (Fish Canyon sanidine). Potassium-bearing...
Search relevance: 41.75 | Views last month: 0 -
This data release includes electron 40Ar/39Ar collected at the U.S. Geological Survey for samples from the Day Nui Con Voi metamorphic massif, Vietnam. Rock samples were collected by Meng-Wan Yeh,...
Search relevance: 38.40 | Views last month: 0 -
These data are for a multidisciplinary study of dikes, country rock, and alteration systems, Butte, U.S.A. Results of the study are described and interpreted in Lund and others (2018). Data...
Search relevance: 36.85 | Views last month: 0 -
This data release includes electron microprobe and 40Ar/39Ar measurements collected at the U.S. Geological Survey for samples from the East Derby Shear Zone (EDSZ) in Connecticut, USA. Rock...
Search relevance: 36.63 | Views last month: 1 -
Cores collected from recent drilling in western Cape Cod, Massachusetts provide insight into the topography and petrology of the underlying bedrock. Cores from 64 drill sites spread over a...
Search relevance: 36.39 | Views last month: 8 -
This data release presents geochemical analyses of silicate melt inclusions, host quartz phenocrysts, and biotite phenocrysts in samples collected by the U.S. Geological Survey (USGS) from...
Search relevance: 31.31 | Views last month: 0 -
This geographic information system (GIS) data layer shows the generalized lithologic and geochemical, termed lithogeochemical, character of near-surface bedrock in the New England Coastal Basins...
Search relevance: 30.36 | Views last month: 1 -
This dataset contains whole major element geochemical data used to calculate values of the chemical alteration index (CIA), data for Nd, Sm, Y, and total REE and expected ranges for total REEY...
Search relevance: 29.70 | Views last month: 0 -
This is a geochemical data set from the reanalysis of 44 rock samples collected between 1966 and 1970, and 107 sediment samples collected in 1966 and 1967. These samples were collected by the U.S....
Search relevance: 25.52 | Views last month: 0 -
The Homestake Reservoir 7.5' quadrangle lies at the northwestern end of the Upper Arkansas Valley, and headwaters of the Arkansas River, and the Roaring Fork, Fryingpan, and Eagle Rivers of...
Search relevance: 24.33 | Views last month: 0 -
The Strawberry Butte quadrangle, scale 1:24,000, is a legacy map of the U.S. Geological Survey, made as part of the Montana Investigations Project to provide information on the stratigraphy,...
Search relevance: 16.94 | Views last month: 2 -
This data release is a geochemical data set from the reanalysis of 23 rock and 85 sediment samples collected between 1966 and 1970 by the U.S. Geological Survey (USGS) for a series of studies...
Search relevance: 14.00 | Views last month: 0 -
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: 9.87 | Views last month: 0 -
In 1968, the Missouri Geological Survey (MGS) established the Operation Basement program to address three objectives: a) to obtain drill hole and underground mining data relative to the structure...
Search relevance: 9.36 | Views last month: 1 -
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: 8.67 | Views last month: 2 -
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: 6.05 | Views last month: 0
