AndreaBozzo/ceres-open-data-index huggingface dataset:
Geochemical major-oxide, minor-oxide, trace-element, and rare-earth-element data from rock samples collected in 2013 in the Ray Mountains area, Bettles A-1 and A-6 quadrangles, Alaska

In 2012, the State of Alaska established its Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), to evaluate Alaska's statewide potential for SCM resources. The project is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For decades, the Ray Mountains area of west-central Alaska has been explored for its potential mineral resources. To further assess the rare-earth-element (REE) potential of the State-selected and top-filed lands in the Ray Mountains area, mineral-resource geologists at DGGS carried out a helicopter-supported geological and geochemical resource assessment spanning the Beaver, Bettles, Livengood, and Tanana quadrangles. The results of this work highlighted anomalously high heavy-REE concentrations in panned concentrate samples from No Name Creek gravels, as well as variability of REE concentrations in the source plutons, specifically the Fort Hamlin Hills pluton. Consequently, the mineral-resource staff at DGGS undertook an additional resource assessment in the northern Fort Hamlin Hills area, part of the Bettles A-1 and A-6 quadrangles, from August 20 through 23, 2013, to augment the current geochemical data for the northern part of the Fort Hamlin Hills pluton (now designated the No Name pluton) and to better understand the petrogenesis of the granites and their contribution to the potential alluvial REE resource. The geochemistry dataset generated by this project is being released in digital format as .PDF and .CSV files. These files are available from the DGGS website at no charge.

Tags: angayucham terrane, base metals, batholith, bedrock, bettles quadrangle, cerium, chlorite, cretaceous, critical minerals, dalton highway, dysprosium, economic geology, erbium, europium, exploration, felsic, fluorine, fort hamlin hills, fort hamlin hills pluton, gadolinium, geochemical data, geochemical surveys, geochemistry, geology, gneiss, greisen, heavy metals, holmium, hornfels, igneous rocks, iron, lanthanide elements, lanthanum, lode, lutetium, major oxides, mesozoic, metals, metamorphic rocks, metavolcanic rocks, mineral assessment, mineral deposit, mineral localities, mineral resources, minor oxides, monazite, neodymium, no name creek, no name creek pluton, phanerozoic, phosphorus, placer, praseodymium, promethium, quaternary, rare earth elements, ray mountains, ray river, ree, resource assessment, resources, rhyolite, rubidium, ruby terrane, samarium, sample location, scheelite, schist, silica, silver, strategic and critical minerals assessment project, strategic minerals, tertiary, thallium, thorium, tin, titanium, tourmaline, tozitna terrane, trace elements, trace geochemical, trace metals
Organization: State of Alaska
Goodpaster electromagnetic and magnetic airborne geophysical survey data compilation

This geophysical survey is located in interior Alaska in the Goodpaster mining district, about 125 kilometers southeast of Fairbanks, Alaska. Frequency domain electromagnetic and magnetic data were collected with the DIGHEMV system in October 2004. A total of 1589.0 line kilometers were collected covering 537.4 square kilometers. Line spacing was 400 meters (m). Data were collected 30 m above the ground surface from a helicopter towed sensor platform ("bird") on a 30 m long line. The data, as well as additional metadata, are available from the DGGS website: http://doi.org/10.14509/29813.

Tags: aeromagnetic, aeromagnetic data, aeromagnetic map, aeromagnetic survey, airborne geophysical survey, analytic signal, apparent resistivity contours, apparent resistivity data, apparent resistivity map, apparent resistivity survey, big delta quadrangle, big swede creek, central creek, conductivity survey, corda creek, differential depth, differential resistivity, dighem-v em system, eagle creek, electromagnetic anomalies, electromagnetic data, electromagnetic data inversion, electromagnetic survey, exploration, frequency domain electromagnetic data, geologic, geology, geophysical map, geophysical survey, geophysics, geophysics search tag, goodpaster mining district, goodpaster river, gridded data, helicopter survey, induced polarization, inversion, line data, magnetic contours, magnetic data, magnetic survey, magnetic susceptibility, magnetics, modeling, radiometric survey, radiometrics, remote sensing, resistivity, resistivity model, resistivity survey, sand creek, sevenmile creek, shaw creek dome, sonora creek, stacked multi-channel profiles, tenmile creek, white creek
Organization: State of Alaska
Photogrammetry-derived orthoimagery and elevation for Alakanuk, Alaska, collected July 11, 2021

The State of Alaska Division of Geological & Geophysical Surveys (DGGS) collected low-altitude aerial images from an unmanned aerial vehicle (UAV) on July 11, 2021 and used Structure-from-Motion (SfM) photogrammetry to produce a digital surface model (DSM) and orthoimage of Alakanuk. The orthoimage and elevation data are for assessing coastal hazards and changes. We used Trimble Business Center to process the Global Navigation Satellite System (GNSS) data used for positional control. We used Agisoft Metashape to process the photogrammetry data. These products are released as a Raw Data File with an open end-user license. All files can be downloaded from the Alaska Division of Geological & Geophysical Surveys website (http://doi.org/10.14509/30790).

Tags: aerial, aerial geology, aerial photography, alakanuk, coastal, coastal and river, coastal erosion, coastal plain, dggs, digital surface model (dsm), elevation, emergency preparedness, engineering, engineering geology, environmental, erosion, flood, floodplain, fluvial, geologic, geologic hazards, geological process, geology, geomorphology, geotechnical, hazards, orthoimagery, photogrammetry, raster image, remote sensing, river erosion, southwest alaska, structure from motion, surface, surficial, surficial geology, topography, unconsolidated deposits, water, web service, yukon delta, yukon river
Organization: State of Alaska
Wrangellia electromagnetic and magnetic airborne geophysical survey (data compilation)

This geophysical survey is located in southcentral Alaska in the Valdez Creek mining district, about 185 kilometers south of Fairbanks, Alaska and about 175 kilometers northeast of Anchorage, Alaska. Frequency domain electromagnetic and magnetic data were collected with the DIGHEMV system from June to August 2013. A total of 10,547.2 line kilometers were collected covering 3464.0 square kilometers. Line spacing was 400 meters (m). Data were collected 30 m above the ground surface from a helicopter towed sensor platform ("bird") on a 30 m long line. The data, as well as additional metadata, are available from the DGGS website: http://doi.org/10.14509/29848.

Tags: aeromagnetic, aeromagnetic data, aeromagnetic map, aeromagnetic survey, airborne geophysical survey, analytic signal, apparent resistivity data, apparent resistivity map, apparent resistivity survey, clearwater mountains, conductivity survey, delta river mining district, denali highway, electromagnetic data, electromagnetic survey, exploration, first vertical derivative, frequency domain electromagnetic data, geologic, geology, geophysical map, geophysical survey, geophysics, geophysics search tag, gridded data, healy quadrangle, line data, maclaren river, magnetic data, magnetic survey, magnetics, mount hayes quadrangle, remote sensing, resistivity, resistivity survey, susitna river, talkeetna mountains quadrangle, valdez creek mining district, west fork maclaren river
Organization: State of Alaska
Airborne electromagnetic and magnetic survey, Western Yukon Flats, interior Alaska

Alaska Division of Geological & Geophysical Surveys, in conjunction with the University of Alaska Fairbanks, Institute of Northern Engineering, Water and Environmental Research Center, managed the collection of frequency domain electromagnetic and magnetic data lines over a 200-square-kilometer portion ofWestern Yukon Flats, interior Alaska. Survey lines cover selected areas pertinent to the scope of research. The 301-line-kilometer survey was flown from February 25th to March 1st, 2016. Data were collected by CGG using the RESOLVE airborne geophysical survey system and measured 30m above the ground surface from a helicopter-towed sensor platform ('bird') on a 30-m-long line. The data, as well as additional metadata, is available from the DGGS website: http://doi.org/10.14509/29683.

Tags: abraham lake, aeromagnetic, aeromagnetic data, aeromagnetic map, aeromagnetic survey, airborne geophysical survey, analytic signal, apparent resistivity contours, apparent resistivity data, apparent resistivity map, apparent resistivity survey, bear creek, beaver quadrangle, conductivity survey, differential depth, differential resistivity, electromagnetic anomalies, electromagnetic data, electromagnetic data inversion, electromagnetic survey, em1dfm inversion, em1dfm resistivity, exploration, first vertical derivative, fishnet lake, frequency domain electromagnetic data, geese lake, geologic, geology, geophysical map, geophysical survey, geophysics, geophysics search tag, gridded data, hem survey, hfem survey, inversion, line data, magnetic contours, magnetic data, magnetic survey, magnetics, modeling, radiometric survey, radiometrics, remote sensing, resistivity, resistivity model, resistivity survey, resolve em system, stacked multi-channel profiles, yukon flats
Organization: State of Alaska
Photogrammetric digital surface models and orthoimagery of Glenn Highway, December 5, 2018

The State of Alaska Division of Geological & Geophysical Surveys (DGGS) produced digital surface models (DSMs) and orthorectified aerial imagery (orthoimagery) over selected locations in the greater Anchorage area following the Mw 7.1 November 30, 2018, Anchorage earthquake. We selected areas of interest (AOIs) based on initial damage reports from the Alaska Department of Transportation & Public Facilities (DOT&PF) and the United States Geological Survey (USGS) in order to document earthquake effects. Aerial photographs collected December 5-6, 2018, were processed using Structure-from-Motion (SfM) photogrammetric techniques to create sub-meter DSMs and orthoimagery. This digital data set covers Glenn Highway and was collected on December 5, 2018. These data document ground conditions immediately following the 2018 Mw 7.1 Anchorage earthquake. For the purposes of open access to elevation and orthoimagery data sets throughout Alaska, this collection is being released as a Raw Data File with an open end-user license. The data and the data acquisition report are available from the DGGS website: https://elevation.alaska.gov/, http://doi.org/10.14509/30275.

Tags: aerial photography, anchorage, digital surface model (dsm), earthquake related hazards, earthquake related slope failure, elevation, engineering, fracturing, geologic, geologic hazards, geological process, geology, geomorphology, geotechnical, hazards, orthoimagery, photogrammetry, raster image, structure from motion, surficial geology, topography
Organization: State of Alaska
High-resolution lidar data for infrastructure corridors, Tanacross Quadrangle, Alaska

In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired lidar (Light Detection and Ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. Lidar data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications and construction plans. This digital surface model (mean_DSM) represents mean above-ground height of vegetation returns.

Tags: alaska, alaska highway corridor, alaska pipeline, digital surface model (dsm), gasline, geomorphology, lidar, mean vegetation elevation (dsm), proposed natural gas pipeline, raster image, remote sensing, state of, tanacross quadrangle, trans-alaska pipeline, vegetation metric
Organization: State of Alaska
Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Kougarok area, Bendeleben and Teller quadrangles, Seward Peninsula, Alaska

The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for SCM resources. The SCM Assessment is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment, thousands of historical geochemical samples from DGGS, U.S. Geological Survey (USGS), and U.S. Bureau of Mines archives are being reanalyzed by DGGS using modern, quantitative, geochemical-analytical methods. The objective is to update the statewide geochemical database to more clearly identify areas in Alaska with SCM potential. For this report, DGGS funded reanalysis of 1,682 historical USGS sediment samples from the statewide Alaska Geochemical Database Version 2.0 (AGDB2; Granitto and others, 2013). Samples were chosen from an area covering Kougarok area, Bendeleben and Teller quadrangles, Seward Peninsula, Alaska. USGS was responsible for sample retrieval from the Denver warehouse through the final quality assurance/quality control (QA/QC) of the geochemical analyses obtained through the USGS contract lab. The new geochemical data are published in this report as a coauthored DGGS report, and will be incorporated into the statewide geochemical databases of both agencies.

Tags: alaska, analyses, analyses and sampling, anchorage quadrangle, bendeleben quadrangle, chemistry, critical minerals, economic geology, economic study, geochemical data, geochemical surveys, geochemistry, geology, mineral assessment, mineral deposit, mineral development, mineral localities, mineral prospect, mineral resources, minerals, non-metals, platinum group elements, precious metals, rare earth elements, ree, resource assessment, resource information, resources, sample location, sediment, state of, strategic and critical minerals assessment project, strategic minerals, stream sediments, teller quadrangle, trace elements, trace geochemical, trace metals
Organization: State of Alaska
High-resolution lidar data for infrastructure corridors, Anchorage Quadrangle, Alaska

In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired lidar (light detection and ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. Lidar data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications and construction plans. The digital surface model represents percent canopy cover (between 0 and 1). Cover metric was computed in Fusion (McGaughey 2007), which assesses the percentage of total first returns within each cell that were returned from the canopy. For more specifics on Fusion Gridmetric outputs see the fusion manual (page 56).

Tags: alaska, alaska highway corridor, alaska pipeline, anchorage quadrangle, gasline, geomorphology, lidar, lidar canopy cover, pipeline, proposed natural gas pipeline, raster image, remote sensing, state of, trans-alaska pipeline
Organization: State of Alaska
Shoreline change at Alaska coastal communities, Elim, Alaska

The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from previously published U.S. Geological Survey assessments and created from historical and recent aerial images by the Alaska Division of Geological & Geophysical Surveys. Shorelines were analyzed to calculate shoreline change rates every 25 meters along coastlines and tidally influenced riverbanks using the Digital Shoreline Analysis System (DSAS; Himmelstoss and others, 2018). The geodatabase for each community includes shoreline positions, the alongshore baseline used to cast transects, and transects that include shoreline change rates and statistics. All files can be downloaded free of charge from the Alaska Division of Geological & Geophysical Surveys website (http://doi.org/10.14509/30552).

Tags: aerial, aerial photography, alaska, coastal, dggs, elim, emergency preparedness, engineering, environmental, erosion, flood, floodplain, geology, hazards, inundation, marine geology, outreach, sea level changes, shelf, shoreface, storm surge, surface, tides, topography, water
Organization: State of Alaska
Geologic Map of the Anchorage C-8 NE Quadrangle, Alaska

This map is one of a series of four 1:25,000-scale quadrangle maps (Anchorage C-8 NE Quadrangle) intended to provide information on the geology and construction materials along the southern margin of the Talkeetna Mountains between Little Susitna River and Nancy Lake, Alaska. Additionally, the geologic map portrays faults, if present, as well as other lineaments that represent either faults or erosional features.

Tags: alaska, anchorage quadrangle, arkose ridge formation, castle mountain, castle mountain fault, construction materials, early jurassic, geology, holocene, late cretaceous, mesozoic, pleistocene, quaternary, southcentral alaska, state of, tertiary, tyonek formation
Organization: State of Alaska
Photogrammetry-derived orthoimagery and elevation for Napakiak, Alaska, collected June 30, 2021

The Alaska Division of Geological & Geophysical Surveys (DGGS) collected low-altitude aerial images from an unmanned aerial vehicle (UAV) on June 30, 2021 and used Structure-from-Motion (SfM) photogrammetry to produce a digital surface model (DSM) and orthoimage of Napakiak. The orthoimage and elevation data are for assessing coastal hazards and changes. We used Trimble Business Center to process the Global Navigation Satellite System (GNSS) data used for positional control. We used Agisoft Metashape to process the photogrammetry data. These products are released as a Raw Data File with an open end-user license. All files can be downloaded from the Alaska Division of Geological & Geophysical Surveys website (http://doi.org/10.14509/30793).

Tags: coastal and river, dggs, engineering, engineering geology, erosion, flood, floodplain, fluvial, geologic, geology, geomorphology, geotechnical, kuskokwim river, napakiak, photogrammetry, remote sensing, river erosion, southwest alaska, structure from motion, surface, surficial, surficial geology, topography, web service, yukon-kuskokwim delta
Organization: State of Alaska
W00363: NOS Hydrographic Survey

The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide background data for engineers, scientific, and other commercial and industrial activities. Hydrographic survey data primarily consist of water depths, but may also include features (e.g. rocks, wrecks), navigation aids, shoreline identification, and bottom type information.
							NOAA is responsible for archiving and distributing the source data as described in this metadata record.

Tags: bathymetry, bathymetry/seafloor topography, continent, doc/noaa/nesdis/ncei, doc/noaa/nesdis/ngdc, earth science, hydrographic surveys for selected locations within the united states (hydro_bathy_2006), in situ ocean-based platforms, marine sediments, national centers for environmental information, national geophysical data center, nesdis, noaa, north america, ocean, oceans, seafloor topography, sediment composition, ships, u.s. department of commerce, united states of america, water depth
Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Surficial geologic map of the Tanana B-1 Quadrangle, central Alaska

Report of Investigation 97-15C, Surficial geologic map of the Tanana B-1 Quadrangle, central Alaska, provides detailed (1:63,360-scale) surficial geologic mapping of the Tanana B-1 Quadrangle (250 square miles; equivalent to four 7.5 minute quadrangles). The area is part of the Manley Hot Springs-Tofty mining districts and adjacent to the Rampart mining district north of the Tanana A-1 and A-2 Quadrangles. The complete report, geodatabase, and ESRI fonts and style files are available from the DGGS website: http://doi.org/10.14509/2553.

Tags: alluvial, alluvial deposits, alluvial fan, alluvium, aloha creek, baldry mountain, boulder creek, california creek, chapman creek, chicken creek, colluvial deposits, colluvium, debris flow deposit, dggs, dunes, elephant mountain, eolian, fan, floodplain, florida creek, garnet creek, gems, gems ncgmp09, geodatabase, geologic, geologic map, geologic materials, geology, geomorphology, glacial, glacial deposits, goldpan creek, granite creek, hoosier creek, hot springs mining district, hunter creek, jordan creek, joseph creek, lacustrine, lacustrine sedimentation, landslide deposit, lost creek, marshall creek, miller creek, minook creek, nevada creek, placer gold, quaternary, rampart creek, rampart mining district, rock creek, ruby creek, russian creek, sand, sand and gravel, silt, sixmile creek, slate creek, slope instability, solifluction, spruce creek, statemap project, surficial, surficial geologic map, surficial geology, talus, triple creek, trout creek, yukon river, yukon-tanana upland
Organization: State of Alaska
Zircon U-Pb age data, Ray Mountains area, Bettles Quadrangle, Alaska

U-Pb analyses were performed on igneous rocks from the Ray Mountains area of west-central Alaska. These new age analyses will allow us to better evaluate the geochronology of the granitic rocks that are the apparent source of the alluvial REE and tin resources. The plutonic samples have ages ranging from 98.0 +/- 0.9 Ma to 111.6 +/- 1.0 Ma. The sample location coordinates and analytical data tables associated with this report are available in digital format as comma-separated value (CSV) files.

Tags: age dates, analyses, analyses and sampling, analytical lab results, analytical results, bedrock, bedrock geology, bettles quadrangle, cretaceous, geochronology, geology, hot springs pluton, igneous rocks, kanuti pluton, lab methods, metals, mineral assessment, mineral deposit, mineral resources, minerals, no name creek pluton, plutonic, polymetallic, rare earth elements, ray mountains, ray river pluton, sample location, strategic and critical minerals assessment project, tin, u-pb, zircon
Organization: State of Alaska