Holm-Denoma, Christopher S.

About the author

ORCID: 0000-0003-3229-5440
Eocene, Aluminum, Antimony, Arsenic, Atomic emission spectroscopy, Barium, Beryllium, Bismuth, Boron, Cadmium, Calcium, Carbon, Cerium, Cesium, Chromium, Cobalt, Contamination and pollution, Continental lithosphere, Copper, Datasets, Drilling and coring, Dysprosium, Earth history, Erbium, Europium, Fluorine, Gadolinium, Gallium, Geochemical processes, Geochemistry, Geochronology, Geologic history, Geologic structure, Geology, Geophysics, Geospatial datasets, Germanium, Gold, Grain-size analysis, Groundwater, Hafnium, Holmium, Igneous rocks, Indium, Iridium, Iron, Lanthanum, Lead, Lithium, Lutetium, Magnesium, Magnetic field (earth), Manganese, Mass spectroscopy, Mercury, Metallic mineral resources, Metamorphic rocks, Mineral deposits, Mineralogy, Molybdenum, Neodymium, Nickel, Niobium, Osmium, Particle-beam spectroscopy, Phosphorus, Platinum, Plutonic rocks, Potassium, Praseodymium, Radiometric dating, Rhenium, Rhodium, Rubidium, Rubidium-strontium analysis, Ruthenium, Samarium, Scandium, Scanning electron microscopy, Sedimentary rocks, Selenium, Silicon, Silver, Sodium, Strontium, Sulfur, Tantalum, Tellurium, Terbium, Thallium, Thorium, Thulium, Tin, Titanium, Tungsten, Unconsolidated deposits, Uranium, Uranium-lead analysis, Uranium-thorium analysis, Vanadium, X-ray diffraction, X-ray fluorescence, Ytterbium, Yttrium, Zinc, Zirconium, Mineral deposit areas, Alkaline basalt, Andesite, Dacite, Diorite, Granitoid, Granodiorite, Latite, Metasedimentary rock, Quartz diorite, Quartz monzonite, Rhyodacite, Rhyolite, Sedimentary rock, Trachyandesite, Trachyte, Tuff, Geodatabase (Esri), JPEG, KML, Microsoft Excel format, Portable Document Format, TIFF, Comma-delimited text, File geodatabase (Esri), Shapefile, Text, Tin

U-Pb detrital zircon data for: lower Paleozoic sedimentary rocks near Silverton, CO USA

Laser ablation ICPMS U-Pb detrital zircon geochronology data to supports mapping and stratigraphic interpretations of this area. Data are provided in CSV format.

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U-Pb detrital zircon data for: Select Pennsylvanian-Triassic sedimentary rocks from Colorado

Geochronological data to understand the history of these rock formations. Data are provided in CSV format.

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U-Pb detrital zircon geochronology of cores and cuttings from selected wells in Arctic Alaska

U-Pb ages of zircon from borehole samples to determine a maximum depositional age of the geologic units and provenance of the zircon in the samples. Data are provided in CSV format.

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U-Pb zircon data for: The Poncha Pass and Deadman Creek areas, northern Sangre de Cristo mountains of south-central Colorado

Raw analytical data, metadata and sample information for 20 zircon U-Pb age analyses from laser ablation-inductively coupled plasma mass spectrometry. Data are provided in CSV format.

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U-Pb zircon data for: Cretaceous plutonic rocks of western Glacier Bay National Park and Preserve

Geochronologic analyses to determine the ages of the plutonic rocks in the Glacier Bay area. Five samples were dated by laser ablation-inductively coupled plasma mass spectrometry U-Pb methods. These analyses contribute to understanding the geologic history of this area. Sample locations and characteristics, along with measured isotopic ratios and calculated ages are provided in CSV format.

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U-Pb zircon data for: Upper Triassic and Jurassic sedimentary rocks from Sonora, MX

Radiometric age and supporting measurements for these rocks to understand their geologic history. Data are provided in CSV format.

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U-Pb zircon data for igneous units related to mineralization in the eastern Yukon-Tanana upland, eastern Alaska

Radiometric ages determined from analysis of zircon crystals in this area where mineral deposits are found. Data are provided in CSV format.

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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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Detrital zircon geochronology of quartzose metasedimentary rocks from parautochthonous North America, east-central Alaska

We report eight new U-Pb detrital zircon ages for quartzose metasedimentary rocks from four lithotectonic units of parautochthonous North America in east-central Alaska: the Healy schist, Keevy Peak Formation, and Sheep Creek Member of the Totatlanika Sch

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In situ LA-ICPMS U–Pb dating of cassiterite without a known-age matrix-matched reference material: Examples from worldwide tin deposits spanning the Proterozoic to the Tertiary

Cassiterite , a main ore mineral in tin deposits, is suitable for U–Pb isotopic dating because of its relatively high U/Pb ratios and typically low common Pb. We report a LA-ICPMS analytical procedure for U–Pb dating of

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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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U-Pb zircon geochronology data from Eocene igneous rocks in the Stibnite-Yellow Pine mining district and vicinity, Idaho

Geochronology data to determine the ages of Challis igneous rocks in this area to help understand the stratigraphy and lithologic characteristics of these igneous rocks. Data are provided in CSV format..

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SHRIMP U-Pb and LA-ICPMS U-Pb geochronologic data for igneous and metasedimentary rocks in central Idaho mineral province, U.S.A.

Geochronologic study of emplacement ages for plutons of the Cretaceous Idaho batholith and detrital zircon ages for metasedimentary rocks, west-central Idaho. Data are provided in CSV format.

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U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from Southwestern Alaska and the Yukon-Tanana Upland and Environs of Eastern Interior Alaska and Eastern Yukon, Canada

Geochronology data obtained through radiometric dating of rocks in this area. Data are provided in CSV format.

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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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Grain size, mineralogic, and trace-element data from field samples near Hinkley, California

Grain size distribution, photographic, and associated chemical and mineral analysis data for 36 sediment core and alluvium samples as well as SEM analysis on select grains from magnetic and heavy mineral separates collected in this area. Data are provided in CSV and JPEG formats with microprobe analyses presented as PDF reports with TIFF images.

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U-Pb data for: In situ LA-ICPMS U-Pb dating of cassiterite without a known-age matrix-matched reference material: Examples from worldwide tin deposits spanning the Proterozoic to Tertiary

Data supporting a LA-ICPMS analytical procedure for dating cassiterite, a main ore mineral in tin deposits, with no need for an independently dated matrix-matched cassiterite standard. Data are provided in Microsoft Excel and CSV formats.

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U-Pb data for inherited cassiterite in "Tin Granites", an example from the Yazov Granite, Eastern Siberia

Comparative LA-ICPMS U−Pb dating results for zircon and cassiterite in these deposits to help understand how critical elements, like tin, are enriched in rare-metal granites. Data are provided in CSV format.

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Whole Rock Major and Trace Element Chemistry for Igneous and Metamorphic Rocks from the Yukon-Tanana Upland, Alaska

Whole-rock geochemistry data for 753 igneous and metamorphic rocks from this area. Data are provided in Microsoft Excel format.

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U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-ablation Split Stream (LASS) Analysis of Igneous and Metamorphic Zircons from the Yukon-Tanana Upland, Eastern Alaska

U-Pb isotopic data and ages, Hf isotope data, and trace element concentrations of zircon from igneous rocks collected from this area. Data are provided in CSV format.

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Insights into the metamorphic history and origin of flake graphite mineralization at the Graphite Creek graphite deposit, Seward Peninsula, Alaska, USA

Graphite Creek is an unusual flake graphite deposit located on the Seward Peninsula, Alaska, USA. We present field observations, uranium-lead (U–Pb) monazite and titanite geochronology, carbon (C) and sulfur (S) stable isotope geochemistry, and graphite

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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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