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Basement domain map of the conterminous United States and Alaska
Seventy-seven major components of the North American continent were delineated at a general scale (1:5,000,000); including the general composition, geological environment, and types of primary metals endowments that can be expected in each domain. |
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Basement domain map of the conterminous US and Alaska
Seventy-seven major components of the North American continent were delineated at a general scale (1:5,000,000); including the general composition, geological environment, and types of primary metals endowments that can be expected in each domain. |
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| Geology and mineral resources of the North-Central Idaho Sagebrush Focal Area: Chapter C in Mineral resources of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming | Info |
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Two-event lode-ore deposition at Butte, USA: 40Ar/39Ar and U-Pb documentation of Ag-Au-polymetallic lodes overprinted by younger stockwork Cu-Mo ores and penecontemporaneous Cu lodes
<p id="sp0015">The ore-genesis model for world-class deposits of the Butte mining district, Montana, USA, is deep pre-Main Stage porphyry Cu-Mo and overlying Main Stage Ag-Zn-Cu zoned-lode deposits, both of which formed from hydrothermal fluids driven by |
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Uranium-lead zircon ages and Sr, Nd, and Pb isotope geochemistry of selected plutonic rocks from western Idaho
U-Pb geochronology and isotopic studies of select plutons across the Salmon River suture in western Idaho. |
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Geochemical database for the Boulder Batholith and its satellitic plutons, southwest Montana
Geochemical analyses of Cretaceous igneous intrusions in order to establish the geologic framework for world-class mineral deposits of the Butte district |
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Synthesis of petrographic, geochemical, and isotopic data for the Boulder batholith, southwest Montana
Geochemical and mineralogical analyses of plutonic rock samples |
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Review of the geochemistry and metallogeny of approximately 1.4 Ga granitoid intrusions of the conterminous United States
The conterminous United States hosts numerous volumetrically significant and geographically dispersed granitoid intrusions that range in age from 1.50 to 1.32 billion years before present (Ga). Although previously referred to as A-type granites, most are |
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Potential mineral resources, Payette National Forest, Idaho; description and probabilistic estimation
Permissive tracts for a variety of types of mineral deposits, with information about deposits that have already been mined. |
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Geochemical, modal, and geochronologic data for 1.4 Ga A-type granitoid intrusions of the conterminous United States
This report presents and makes data available to ongoing petrogenetic investigations of these rocks. It develops an accurate and current portrayal of their spatial distribution in GIS format while analyzed samples are presented via Excel workbooks. |
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Descriptive and geoenvironmental model for Co-Cu-Au deposits in metasedimentary rocks
A compilation of global data on cobalt-copper-gold deposits hosted by metasedimentary rocks refines previous descriptive models for their occurrence and provides important information for mineral resource assessments and exploration programs. |
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GIS and data tables for focus areas for potential domestic nonfuel sources of rare earth elements
Locations of focus areas to be used for planning and collection of geophysical, geological, and topographic (lidar) data pertaining to the study of rare earth element resources in the US. |
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