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40Ar/39Ar data for: Characteristics and 40Ar/39Ar geochronology of the Erdenet Cu-Mo deposit, Mongolia
Full raw argon isotopic data for samples from this deposit. Data are provided in CSV format. |
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Argon data for Poncha Pass Geologic Map
Full raw argon isotopic data for samples presented in a geologic map of the area. Data are provided in CSV format. |
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Argon and geochemical data for: 40Ar/39Ar geochronology and petrogenesis of the Table Mountain Shoshonites, Golden, CO
Observational data supporting Argon-Argon geochronological analysis, along with geochemical analyses of basalt samples from this area. Data are provided in CSV format. |
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Argon data for: Elemental, isotopic, and geochronological variability in Mogollon-Datil Volcanic Province, New Mexico
Ar/Ar elemental and isotopic data supporting studies of the geologic history this area. Data are provided in CSV format. |
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Argon geochronology data for La Garita caldera
Geochronology data to distinguish between and understand the origins of the units erupted from the La Garita caldera. Data are provided in CSV format. |
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Argon geochronology data for eastern Bhutan
Ar/Ar data provides time constraints for the cooling of rocks in the study area. Data are provided in CSV format. |
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Argon geochronology data for Multiproxy Cretaceous-Paleogene boundary event stratigraphy: an Umbria-Marche basin-wide perspective
Geochronology data to determine the geologic history of these deposits. Data are provided in CSV format. |
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Argon data for Amazon Craton
Ar/Ar data for samples that record the mineralization of this area. Data are provided in CSV format. |
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Argon data for Central Anatolian Ophiolite
Ar/Ar data are for samples that record the metamorphic deformation of the ophiolite. Data are provided in CSV format. |
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Argon data for Central Andes (Domeyko Range, Chile)
Ar/Ar data is for samples that record the sedimentation of this area to understand the geologic history of the area. Data are provided in CSV format. |
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Argon data for Klamath Mountains
Ar/Ar analysis of samples that record the mineralization of orogenic gold deposits in this area. Data are provided in CSV format. |
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Argon data for Nepal
Ar/Ar data for samples that record the thermal history of this area. Data are provided in CSV format. |
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Argon data for Southern Patagonian Andes
Ar/Ar data for samples that record the detrital sedimentary record of the basin. Data are provided in CSV format. |
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Argon data for Yellow Pine
Ar/Ar data for samples that record the mineralization of the area. Data are provided in CSV format. |
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Argon data for Hugub Area, Kesem-Kebena-Dulecha, Ethiopia
Argon geochronology data for tephra, to help in archeological studies. Data are provided in CSV format. |
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Argon data for Santa Cruz Basin
40Ar/39Ar data from samples in this area to provide age constraints on units in the relevant geologic mapping. Data are provided in CSV and shapefile formats. |
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Argon data for HD-B1 intercalibration
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). Data are provided in CSV format. |
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Argon data for enriched MORB from the 8° 20' N seamount chain
Geochronological data from a 40Ar/39Ar analysis of mid-ocean ridge basalt material obtained from this area.to understand the volcanic history of the area. Data are provided in CSV format. |
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Ar/Ar geochronology of samples from the Tonopah, Divide, and Goldfield districts, Nevada
Ar/Ar data are reported from minerals and rocks that were collected as part of a mineral resource investigation of this area. Data are provided in CSV format. |
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Conditions and timing of high-grade metamorphism and ductile deformation of the southern segment of the Central Anatolian Ophiolite
Ophiolitic fragments scattered over a wide area of Central Anatolia exhibit varying degrees of metamorphism, from unmetamorphosed to upper amphibolite facies, although geochemical similarities suggest they are all part of the Central Anatolian Ophiolite ( |
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Late Jurassic-Early Cretaceous orogenic gold mineralization in the Klamath Mountains, California: Constraints from 40Ar/39Ar dating of hydrothermal muscovite
<div id="ab015" class="abstract author" lang="en"><div id="as015"><p id="sp0015">The Klamath Mountains gold province is the second most important historical producer in California, having produced more than 7 Moz of gold from both lode and placer sources. |
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Characteristics and 40Ar/39Ar geochronology of the Erdenet Cu-Mo deposit, Mongolia
The Early to Middle Triassic Erdenet porphyry Cu-Mo deposit, in northern Mongolia, developed in a continent-continent arc collision zone, within the Central Asian orogenic belt. The porphyry system is related to multiple intrusions of crystal- |
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USGS Geochron: A Database of Geochronological and Thermochronological Dates and Data
Published ages, dates, analytical information, sample metadata including location, and source citations. The following analytical techniques are represented in the data set: 40Ar/39Ar, K-Ar, U-Th-Pb, Sm-Nd, Rb-Sr, Lu-Hf, fission track, and luminescence. Data are provided in CSV format. |
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Data to accompany U.S. Geological Survey Data Series 1099: Petrographic, geochemical and geochronologic data for Cenozoic volcanic rocks of the Tonopah, Divide, and Goldfield Mining Districts, Nevada
Geochemical, petrographic, and geochronologic data for samples, principally those of unmineralized Tertiary volcanic rocks, from the Tonopah, Divide, and Goldfield mining districts of west-central Nevada. |
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Petrology of volcanic rocks associated with silver-gold (Ag-Au) epithermal deposits in the Tonopah, Divide, and Goldfield Mining Districts, Nevada
Miocene calc-alkaline volcanic rocks, part of the southern segment of the ancestral Cascades magmatic arc, are spatially, temporally, and likely genetically associated with precious metal epithermal deposits in the Tonopah, Divide, and Goldfield Districts |
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Early Neoproterozoic gold deposits of the Alto Guaporé province, southwestern Amazon craton, western Brazil
The Alto Guaporé gold province, southwestern Amazon craton, contains gold deposits that have been mined since the beginning of the 18th century and these deposits, together, have modern-day, pre-mining gold resources of at least 1.8 Moz. The ore is assoc |
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