Parks, Heather L.

About the author

ORCID: 0000-0002-5917-6866
Archaean, Aeromagnetic surveying, Aeroradiometric surveying, Aluminum, Antimony, Arsenic, Atomic emission spectroscopy, Barium, Bedrock geologic units, Beryllium, Bismuth, Borehole logging, Boron, Cadmium, Calcium, Carbon, Cerium, Cesium, Chemical analysis, Chromium, Coal resources, Cobalt, Copper, Core analysis, Digitization, Drilling and coring, Dysprosium, Economic geology, Electromagnetic surveying, Erbium, Europium, Field monitoring stations, Gadolinium, Gallium, Geochemistry, Geochronology, Geologic contacts, Geologic history, Geologic maps, Geologic structure, Geophysics, Geospatial analysis, Geospatial datasets, Geothermal resources, Germanium, Gold, Grain-size analysis, Hafnium, Holmium, Image collections, Indium, Iridium, Iron, Lanthanum, Lead, Lithium, Lutetium, Magnesium, Magnetic field (earth), Manganese, Mass spectroscopy, Mathematical simulation, Metallic mineral resources, Mine drainage, Mine waste, Mineral deposits, Mineral resources, Mineralogy, Mining and quarrying, Molybdenum, Natural resource assessment, Natural resource exploration, Neodymium, Neutron activation analysis, Nickel, Niobium, Osmium, Palladium, Petrography, Phosphorus, Platinum, Platinum-group elements, Potassium, Praseodymium, Resistivity, Resource supply and demand, Rhodium, Rubidium, Ruthenium, Samarium, Scandium, Sedimentary rocks, Selenium, Silicon, Silver, Stratigraphic sections, Strontium, Structural geology, Sulfur, Tantalum, Tectonic processes, Tellurium, Terbium, Thallium, Thorium, Thulium, Tin, Titanium, Tungsten, Uranium, Uranium-lead analysis, Vanadium, X-ray fluorescence, Ytterbium, Yttrium, Zinc, Zirconium, Mine sites, Mineral deposit areas, Anorthosite, Norite, Peridotite, Porphyry, Pyroxenite, Sedimentary rock, Copper, Platinum-group elements, Canon Raw version 2, GeoTIFF, JPEG, KML, Microsoft Excel format, Portable Document Format, TIFF, Comma-delimited text, File geodatabase (Esri), Shapefile, Chromium, Nickel, Platinum-group metals, Titanium, Tungsten, Vanadium

Previous mineral resource assessment data compilation for the U.S. Geological Survey Sagebrush Mineral Resource Assessment Project

A compilation of previously published mineral potential maps that were used for the Sagebrush Mineral Resource Assessment (SaMiRA) project. Data are provided in CSV, Esri file geodatabase, GeoTiff, and shapefile formats.

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Titanium-vanadium deposits hosted in mafic-ultramafic layered intrusions and massif anorthosite intrusions from around the world

Information on titanium-vanadium deposits hosted in mafic-ultramafic layered intrusions and massif anorthosite intrusions from around the world. Includes only deposits with reported grade and tonnage information. Data are provided in CSV and shapefile formats.

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Stillwater Complex Rock Outcrop Database

Polygons that describe areas of rock outcrop in the area of the Stillwater Complex, Montana from published reports and field mapping sheets. Includes both legacy data and outcrops from recent field mapping. This dataset contains overlapping polygons, as some areas had mapping from different sources that overlapped the same locations. Data are provided in shapefile format.

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Stillwater Complex Strike and Dip Database

Geologic structure strike and dip information from this area from pre-existing digital strike and dip information and from digitizing strike and dip locations from georeferenced map images. Data are provided in shapefile format.

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Airborne electromagnetic and magnetic survey data, Stillwater Complex, Montana, May 2000 (ver. 2.0, June 2020)

Data from a helicopter-borne electromagnetic and magnetic survey flown over this area area in 2000. Nominal elevation of the sensor was 60 meters. Survey coverage comprises 1,914 line kilometers. Data are provided in CSV format.

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Stillwater Complex, Montana - Logs of core drilled by AMAX, 1969 to 1977

Scanned drill core logs and explanatory material provided in PDF format. Hand-written notes provided in CSV format. Locations provided in shapefile format.

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A geologic and mineral exploration spatial database for the Stillwater Complex, Montana

<p>The Stillwater Complex is a Neoarchean, ultramafic to mafic layered intrusion exposed in the Beartooth Mountains in south-central Montana. This igneous intrusion contains magmatic mineralization that is variably enriched in strategic and critical commo

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Missouri Breaks Project, Montana - Digitized aeromagnetic data

Previously created but unpublished map sheets were scanned, registered, and the contours were digitized. The point data released here were extracted from the digitized contour lines and include: latitude, longitude, and magnetic-field value (gamma). Data are provided in a fixed-field columnar text format.

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Lithogeochemistry of selected surface and drill core samples from the Chrome and Iron Mountain areas of the Stillwater Complex, Montana

Whole rock geochemical analysis of sulfide- and chromite-bearing samples in this area, with specific interest in PGE, cobalt, and gold concentrations. Data are provided in CSV format.

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Stillwater Complex, Montana: Logs of core drilled by Anaconda in the Benbow area, 1969 to 1973

Scanned drill core logs and explanatory material provided in PDF format. Hand-written notes provided in CSV format. Locations provided in shapefile format.

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Stillwater Complex, Montana: Logs of core drilled by Anaconda in the Nye Basin area, 1968 to 1982

Images of graphic drill core logs showing associated drill core information, explanation for the lithology and structure sections of the logs, locations of the drill holes, and tabular data compiled from handwritten notes on the logs. Data are provided in TIFF, shapefile, and CSV formats.

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Stillwater Complex, Montana: Logs of core drilled by Cyprus in the Chrome Lake area, 1971 to 1980

Historical context of minerals exploration in this area including the locations of drill cores and lithologic, structural, grain size, and chromite, sulfide, copper, and nickel mineralization. Data are provided in TIFF images, with originally hand written information provided in CSV format, and location information as shapefiles.

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Thin section images of AMAX drill core from the Stillwater Complex, Montana

Photographs and micrographs of rock taken from cores in this area. Data are provided in JPEG and CR2 formats.

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Thin section images of drill core and hand samples from the Stillwater Mine area, Stillwater Complex, Montana

Photographs and micrographs of hand samples and drill core from this area to study platinum-group element reef-type mineralization that occurs in the J-M Reef of the Stillwater Complex. Data are provided in JPEG and CR2 formats.

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Thin section images of drill core from the Chrome Lake area in the Stillwater Complex, Montana

Photomicrographs, lithologic and textural information for drill core from this area to study contact-type mineralization that occurs near the lower contact (Basal series and hornfels rocks) of the complex. Data are provided as JPG and CR2 images.

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Thin section images of drill core from the Crescent Creek area in the Stillwater Complex, Montana

Photographic images of thin sections of drill core from this area to study contact-type copper and nickel sulfide mineralization there. Data are provided in JPEG and CR2 formats, with a shapefile giving locations of the cores.

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Thin section images of xenoliths from north of the Stillwater Complex, Montana

Micrographs (photographs taken using a microscope) of xenoliths (pre-existing rock material included in younger rocks) in this area, to understand the formation of mineral deposits there. Data are provided in JPEG and CR2 formats.

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Thin section images of drill core and hand samples from the South Kawishiwi Intrusion, Duluth Complex, Minnesota

Lithologic and textural information for hand samples and drill core from this rock body, to study copper-nickel-platinum-group element mineralization that occurs at this locality. Data are provided in JPG and CR2 formats.

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Thin section images of hand samples from the Crocodile Lake and Cucumber Lake Intrusions, Duluth Complex, Minnesota

Lithologic and textural information for hand samples collected from these rock bodies, to study copper-nickel-platinum-group element mineralization that occurs there. Data are provided in JPG and CR2 image formats.

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Platinum-group elements in southern Africa: mineral inventory and an assessment of undiscovered mineral resources

This study summarizes the identified mineral inventory of PGE in South Africa and Zimbabwe and estimates the potential amount of undiscovered PGE resources that may be present in these countries.

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Assessment of undiscovered copper resources associated with the Permian Kupferschiefer, Southern Permian Basin, Europe

This study delineated permissive areas for undiscovered porphyry copper deposits, compiled a database of known deposits and significant prospects, estimated undiscovered deposits within those areas and made probabilistic estimates of their metal content.

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Global assessment of undiscovered copper resources

Deposits, prospects, and permissive tracts for porphyry and sediment-hosted copper resources worldwide, with estimates of undiscovered copper resources.

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Locatable Mineral Assessment Tracts for the U.S. Geological Survey Sagebrush Mineral Resource Assessment Project

Locatable mineral resource assessment tracts (tracts of land) associated with the Department of the Interior (DOI) Sagebrush Focal Areas in Montana, Wyoming and Utah, central Idaho, and the Oregon-Nevada-Idaho border area. Data are provided in Esri file geodatabase and shapefile formats.

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Simulation and aggregation data for estimates of undiscovered copper in porphyry copper deposits from the Global Mineral Resource Assessment

Results of Monte Carlo simulations of amounts of copper in undiscovered porphyry copper deposits in 163 permissive tracts aggregated by world region. Data are provided in CSV format.

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Spatial database for a global assessment of undiscovered copper resources

Permissive tracts for porphyry coppper and sediment-hosted copper worldwide, with known deposits and results of the assessment.

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Platinum-Group Elements

The platinum-group elements (PGEs)—platinum, palladium, rhodium, ruthenium, iridium, and osmium—are metals that have similar physical and chemical properties and tend to occur together in nature. PGEs are indispensable to many industrial applications.

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Assessment of undiscovered copper resources of the world, 2015

The U.S. Geological Survey completed the first-ever global assessment of undiscovered copper resources for the two most significant sources of global copper supply: porphyry copper deposits and sediment-hosted stratabound copper deposits. The geology-base

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Geochronologic data from xenoliths near the Stillwater Complex, Montana

U-Pb isotopic data collected on zircon in xenoliths from the Sliderock Mountain and Susie Peak plutons using the sensitive high-resolution ion microprobe-reverse geometry (SHRIMP-RG) at Stanford University. Data are provided in CSV format, locations are provided in shapefile format.

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Qualitative assessment of selected areas of the world for undiscovered sediment-hosted stratabound copper deposits

For each area in which this type of deposit may occur, we provide the main characteristics of the area, classification of known deposits by subtype, and a rank indicating the potential of the area to contain undiscovered resources.

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Geology and mineral resources of the North-Central Montana Sagebrush Focal Area: Chapter D in Mineral resources of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming

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Spatial data associated with tungsten skarn resource assessment of the Northern Rocky Mountains, Montana and Idaho

Resource assessment and supporting data including permissive tracts, mineral sites in the study area, geologic units, geologic maps, stream sediment geochemistry, whole rock chemistry, airborne radiometric data, and lower frequency content EMAG2 data. Data are provided in Esri file geodatabase, shapefile, and CSV formats.

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Descriptive models, grade-tonnage relations, and databases for the assessment of sediment-hosted copper deposits--with emphasis on deposits in the Central Africa Copperbelt, Democratic Republic of the Congo and Zambia

This report describes compilation and evaluation results of data from the USGS global mineral assessment including new descriptive mineral-deposit and grade and tonnage models and spatial databases for deposits and occurrences, ore bodies and open pits.

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Sediment-hosted stratabound copper assessment of the Neoproterozoic Roan Group, central African copperbelt, Katanga Basin, Democratic Republic of the Congo and Zambia

This study area encompasses the greatest sediment-hosted copper-cobalt province in the world, containing 152 million metric tons of copper in greater than 80 deposits.

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Geology and mineral resources of the Southwestern and South-Central Wyoming Sagebrush Focal Area, Wyoming, and the Bear River Watershed Sagebrush Focal Area, Wyoming and Utah

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