AndreaBozzo/ceres-open-data-index huggingface dataset:
Preliminary volcano-hazard assessment for Okmok Volcano, Umnak Island, Alaska

This shaded relief image of Okmok Volcano serves as the basemap for sheet 1 of the "Preliminary volcano-hazard assessment for Okmok Volcano, Umnak Island, Alaska" (DGGS RI 2004-3). The map area is centered around Okmok Volcano, on eastern Umnak Island. SRTM and AirSAR DEM datasets were combined in ArcGIS to produce a georeferenced shaded relief TIFF image of Okmok Volcano.

Tags: aleutian arc, aleutian islands, fort glenn, fox islands, mount, okmok, okmok caldera, umnak island, volcanoes
Organization: State of Alaska
High-resolution lidar data for infrastructure corridors, Talkeetna 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.Lidar intensity images depict intensity values of the lidar-laser returns.

Tags: alaska, alaska highway corridor, alaska pipeline, gasline, geomorphology, lidar, lidar intensity image, proposed natural gas pipeline, remote sensing, shaded relief, state of, talkeetna quadrangle, topographic map, trans-alaska pipeline
Organization: State of Alaska
High-resolution lidar data for infrastructure corridors, Philip Smith Mountains 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. Lake polygons represent areas of water bodies (excluding streams and rivers) > 150 square meteres, present at the time of lidar data collection.

Tags: alaska, alaska highway corridor, alaska pipeline, gasline, geomorphology, lidar, lidar lake polygons, philip smith mountains quadrangle, proposed natural gas pipeline, remote sensing, shaded relief, state of, topographic map, trans-alaska pipeline
Organization: State of Alaska
High-resolution lidar data for infrastructure corridors, Livengood 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, livengood quadrangle, mean vegetation elevation (dsm), proposed natural gas pipeline, raster image, remote sensing, state of, trans-alaska pipeline, vegetation metric
Organization: State of Alaska
Spatially referenced oblique aerial photography of the Golovin shoreline, July 2012

In July 2012, a helicopter-based crew photographed approximately 22 miles (35 km) of shoreline near Golovin, Alaska, from the Yuonglik River delta southeast to Portage Creek. During this flight 572 oblique aerial photographs were collected and spatially referenced using a Garmin Dakota 20 handheld GPS.

Tags: aerial photography, beach deposits, coastal, coastal erosion, geomorphology, holocene, seward peninsula, shoreface, solomon quadrangle
Organization: State of Alaska
Styx River electromagnetic and magnetic airborne geophysical survey data compilation

This geophysical survey is located in the upper South Fork Kuskokwim River and Skwentna river drainages, southcentral Alaska. The Styx River survey is in the Yentna and McGrath mining districts, about 150 kilometers northwest of Anchorage, Alaska. Frequency domain electromagnetic and magnetic data were collected with the DIGHEM system from October 16th to November 12th, 2007 and from March 21st to April 22nd, 2008. A total of 5338.6 line-kilometers were collected covering 1859.3 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/10.14509/30166.

Tags: aeromagnetic, aeromagnetic data, aeromagnetic map, aeromagnetic survey, airborne geophysical survey, alger peak, analytic signal, apparent resistivity data, apparent resistivity map, apparent resistivity survey, cathedral mountain, chickak river, conductivity survey, electromagnetic data, electromagnetic survey, exploration, first vertical derivative, frequency domain electromagnetic data, geologic, geology, geophysical map, geophysical survey, geophysics, geophysics search tag, gridded data, lime hills quadrangle, line data, long lake hills, magnetic data, magnetic survey, magnetics, mcgrath mining district, mcgrath quadrangle, mount estelle, mount greig, mount stoney, pass fork hartman river, portage pass, redoubt mining district, remote sensing, resistivity, resistivity survey, stoney glacier, strand pass, terra cotta mountains, tyonek, yentna mining district
Organization: State of Alaska
Volcanoes of Alaska

This dataset comprises the locations of volcanoes and volcanic centers in Alaska.

Tags: akutan, alaska, aleutian islands, amchixtam chaxsxii, atka, basalt of gertrude creek, black peak, buzzard creek, cone 3110, cone 3601, cretaceous, devils desk, double glacier, douglas, duncan canal, dutton, early cretaceous, emmons lake, espenberg, folsoms bluff, geologic hazards, geology, gordon, holocene, iliamna, imuruk lake, ingakslugwat hills, iron trig cone, kaguyak, knob 1000, kochilagok hill, kookooligit mountains, kukak, kupreanof, makushin, martin, nelson island, novarupta, nunivak island, pavlof, pavlof sister, pleistocene, porcupine, prindle volcano, quaternary, rainbow river cone, skookum creek, southcentral alaska, southeast alaska, state of, subduction, tanada peak, teller basalt field, tertiary, togiak volcanics, unnamed 1 (near kupreanof), unnamed 2 (near ukinrek maars), volcanic, volcanic eruptions, volcanic rocks, volcano 1 near kupreanof, volcano 2 near kupreanof, volcano 4 near kupreanof, volcanoes, volcanology, wrangell
Organization: State of Alaska
Photogrammetry-derived orthoimagery and elevation data for Kivalina, Alaska, collected June 7, 2922

Photogrammetry-derived orthoimagery and elevation data for Kivalina, Alaska, collected June 7, 2922, Raw Data File 2022-12, uses low-altitude aerial images, collected from an unmanned aerial vehicle (UAV) on June 7, 2022, and Structure-from-Motion (SfM) photogrammetry to produce a digital surface model (DSM) and orthoimagery for the community of Kivalina, Alaska. 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 and NOAA VDatum to adjust elevation data. We used Agisoft Metashape to process 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/10.14509/30902).

Tags: aerial, aerial geology, aerial photography, coastal, coastal and river, coastal and river hazards, coastal erosion, coastal plain, dggs, digital surface model (dsm), eagle creek, echo creek, elevation, emergency preparedness, environmental, erosion, first lake, flood, floodplain, geologic, geologic hazards, geology, geomorphology, geotechnical, hazards, justice creek, kivalina, photogrammetry, portage creek, raster image, remote sensing, sea level changes, shoreface, steelhead creek, surface, surface water, surficial, surficial geology, topsy creek
Organization: State of Alaska
High-resolution lidar data for infrastructure corridors, Chandalar 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 highest-hit digital surface models (DSM) represent the earth's surface with all vegetation and human-made structures included.

Tags: alaska, alaska highway corridor, alaska pipeline, chandalar quadrangle, gasline, geomorphology, highest hit digital surface model (dsm), lidar, proposed natural gas pipeline, raster image, remote sensing, state of, trans-alaska pipeline
Organization: State of Alaska
Livengood mining district electromagnetic and magnetic airborne geophysical survey, data compilation

The Livengood electromagnetic and magnetic airborne geophysical survey data were acquired with a DIGHEM-V Electromagnetic (EM) system and a cesium magnetometer. The EM and magnetic sensors were flown at a height of 30 meters (m). In addition the survey recorded data from radar and laser altimeters, a GPS navigation system, 50/60 Hz monitors and a video camera. Flights were performed with an AS-350-B2 Squirrel helicopter at a mean terrain clearance of 60 m along N-S survey flight lines with a spacing of 400 m. Tie lines were flown perpendicular to the flight lines at intervals of approximately 4,800 m

Tags: aeromagnetic, aeromagnetic data, aeromagnetic map, airborne geophysical survey, amy creek assemblage, analytic signal, apparent resistivity data, apparent resistivity map, apparent resistivity survey, cascaden ridge unit, dighem-v em system, electromagnetic anomalies, electromagnetic data, electromagnetic survey, first vertical derivative, fortymile mining district, fortymile river, geophysical map, geophysical survey, geophysics, geophysics search tag, gridded data, hem survey, hfem survey, line data, livengood bench, livengood dome chert, livengood mining district, livengood quadrangle, lost creek unit, magnetic contours, magnetic data, magnetic survey, magnetics, money knob, rampart group, raster image, resistivity, shorty creek, tolovana mining district, victoria creek fault, wickersham unit
Organization: State of Alaska
High-resolution lidar data for infrastructure corridors, Nabesna 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. Hillshade (shaded relief) images, produced from bare-earth DEMs provide a visual representation of topographic relief.

Tags: alaska, alaska highway corridor, alaska pipeline, gasline, geomorphology, hillshade image, lidar, nabesna quadrangle, proposed natural gas pipeline, remote sensing, shaded relief, state of, topographic map, trans-alaska pipeline
Organization: State of Alaska
Major-oxide, minor-oxide, trace-element, geochemical, and non-carbonate carbon data from rocks collected in the Solomon and Nome Quadrangles, Seward Peninsula, Alaska in 2006

The rock samples in this publication were collected in 2006 during geologic field mapping within the Council airborne geophysical survey tract. The analyses were acquired to aid interpretation and development of the geologic map and evaluation of the area's mineral potential. To further geologic understanding of the area, igneous and metamorphic rock samples were selected for whole-rock geochemical analysis. Unweathered or minimally weathered rock samples were preferentially selected for analysis. Non-carbonate carbon analyses were obtained to determine the percentage of graphite in metasedimentary rocks. To help evaluate the area's mineral resource potential, rock samples were selected for geochemical analysis; these rocks were either visibly mineralized, or had features that suggested the potential to be mineralized.

Tags: alaska, bluff, casadepaga river, council, council mining district, geochemistry, major oxides, nome quadrangle, seward peninsula, solomon quadrangle, state of, statemap project, trace metals
Organization: State of Alaska
Tok electromagnetic and magnetic airborne geophysical survey data compilation

The Tok electromagnetic and magnetic airborne geophysical survey data were acquired with a DIGHEMv Electromagnetic (EM) system and a CGG D1344 cesium magnetometer with a Scintrex CS3 cesium sensor. The EM and magnetic sensors were flown at a height of 30 meters (m). In addition the survey recorded data from radar and laser altimeters, a GPS navigation system, 50/60 Hz monitors and a video camera. Flights were performed with an AS-350-B3 Squirrel helicopter at a mean terrain clearance of 60 m along NE-SW (12 degrees) survey flight lines with a spacing of 400 m. Tie lines were flown perpendicular to the flight lines at intervals of approximately 4,800 m. These data were produced under contract between the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (DGGS), and CGG Land (U.S.) Inc. Airborne geophysical data for the area were acquired and processed by CGG in 2014 and 2015. The project was funded by the Alaska State Legislature as part of the Alaska Airborne Geophysical/Geological Mineral Inventory Program and the Alaska Strategic and Critical Minerals Assessment Capital Improvement Project.

Tags: aeromagnetic, aeromagnetic data, aeromagnetic map, airborne geophysical survey, alaska, analytic signal, apparent resistivity contours, apparent resistivity data, apparent resistivity map, apparent resistivity survey, delta mineral belt, denali fault, electromagnetic anomalies, electromagnetic data, electromagnetic survey, first vertical derivative, geophysical map, geophysical survey, geophysics, geophysics search tag, gridded data, gulkana quadrangle, hem survey, hfem survey, magnetic contours, magnetic data, magnetic survey, magnetics, mentasta pass, mount hayes quadrangle, nabesna quadrangle, raster image, state of, tanacross quadrangle, tok mining district, tok river
Organization: State of Alaska
Electron probe microanalytical data of minerals and glass from rock samples from Okmok volcano, Alaska

DGGS Raw Data File 2022-6, Electron probe microanalytical data of minerals and glass from rock samples from Okmok volcano, Alaska, provides electron probe microanalytical data (EPMA) from minerals and glasses from samples collected at Okmok volcano by Alaska Volcano Observatory (AVO) geologist Jessica Larsen. AVO geologists conducted fieldwork at Okmok volcano between 1998 and 2016. The samples included in this report are from the 2050 +/-50 yBP Okmok II eruption of Okmok caldera. All files are available from the DGGS website: http://doi.org/10.14509/30853.

Tags: aleutian islands, analyses, analyses and sampling, analytic signal, analytical lab results, analytical results, basalt, coastal, coastal and river, dggs, fox point, geologic, geologic hazards, geological process, geology, glass, holocene, igneous, igneous rocks, microprobe analysis, mineral composition, minerals, mount, okmok, okmok caldera, okmok volcano, plagioclase, rocks, tulik river, umnak island, volcanic, volcanic ash, volcanic eruption, volcanic rocks, volcaniclastic deposits, volcanoes, volcanology
Organization: State of Alaska
High-resolution lidar data for Alaska infrastructure corridors

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 dataset is the real-time kinematic (RTK) data collected during lidar data acquisition. Data were used to check the accuracy of collected lidar data.

Tags: alaska, alaska highway corridor, alaska pipeline, gasline, geomorphology, lidar, proposed natural gas pipeline, real time kinematic (rtk), state of, trans-alaska pipeline
Organization: State of Alaska
Surficial-geologic map of the Kavik River area, west-central Mount Michelson Quadrangle, northeastern Brooks Range, Alaska

During the 2006 field season, the Alaska Division of Geological & Geophysical Surveys conducted remote mapping as part of the Kavik River STATEMAP project.This surficial-geologic mapping was conducted to provide additional detail to the STATEMAP comprehensive geologic mapping as well as to serve as a stand-alone map publication.

Tags: alluvial deposits, anaktuvuk river glaciation, brooks range, canning river, geologic map, glacial deposits, holocene, itkillik glaciation, mount michelson quadrangle, pleistocene, quaternary, sagavanirktok river glaciation, surficial geology
Organization: State of Alaska
Slate Creek - Slana River electromagnetic and magnetic airborne geophysical survey data compilation

This geophysical survey is located in interior Alaska in the Chistochina mining district, about 225 kilometers southeast of Fairbanks. Frequency domain electromagnetic and magnetic data were collected with the DIGHEMV system from September to October 2008. A total of 3367.1 line kilometers were collected covering 1151.9 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/10.14509/29852.

Tags: aeromagnetic, aeromagnetic data, aeromagnetic map, aeromagnetic survey, airborne geophysical survey, analytic signal, apparent resistivity data, apparent resistivity map, apparent resistivity survey, chistochina mining district, conductivity survey, daisy creek, dry tok creek, eagle creek, east fork indian creek, electromagnetic data, electromagnetic survey, exploration, first vertical derivative, frequency domain electromagnetic data, geologic, geology, geophysical map, geophysical survey, geophysics, geophysics search tag, gillett pass, gold creek, granite creek, gridded data, grubstake creek, gulkana quadrangle, indian pass, indian pass lake, jack creek, kennedy lake, kraemer creek, limestone creek, line data, long lake, magnetic data, magnetic survey, magnetics, middle fork chistochina river, mount hayes quadrangle, nabesna quadrangle, porcupine creek, ptarmigan creek, quartz creek, red mountain creek, remote sensing, resistivity, resistivity survey, rock creek, russian john creek, slana river, slate creek, tok mining district, trout lake, west fork ahtell creek, west fork chistochina river, west fork granite creek, willow creek
Organization: State of Alaska
Geology of Kasatochi volcano, Aleutian Islands, Alaska

Kasatochi is a small, isolated island volcano in the center of the Aleutian Island chain. It consists of a roughly circular cone approximately 3 km in diameter with a lake-filled central crater that is 1.2 km in diameter and extends from the highest point on the island to sea level. The oldest unit recognized is a thick series of mid-Pleistocene glaciovolcanic deposits consisting of autobrecciated lava, lahars, and volumetrically minor lava masses that we believe to have been emplaced underneath a regional ice cap. This unit is unconformably overlain by several massive Holocene lavas, above which lies a thick sequence of latest-Holocene pyroclastic deposits likely deposited during the crater-forming eruption. The 2008 eruption enlarged the preexisting crater, and produced pyroclastic density currents, surges, and fall that blanketed the entire island except for the crater wall and steep, seaward-facing cliffs on the flanks. 2008 deposits initially extended the shoreline seaward by up to 500 m. Kasatochi lava and scoria are porphyritic basalt, basaltic andesite, and andesite, all of which bear trace-element evidence for prolonged crustal residence and equilibration with an amphibole-rich gabbroic residue. Lavas from individual effusive eruptions have limited compositional range, whereas juvenile scoriae from explosive eruptions span the majority of the compositional range of the entire volcano. 2008 pyroclastic deposits contain texturally diverse amphibole gabbro clasts and smaller, less abundant, plagioclase-free pyroxenitic and peridotitic cumulate inclusions. We infer that the gabbroic inclusions are from the margins of regions of crustal magma storage and evolution and that equilibration with the amphibole plays an important role in the evolution of mafic and intermediate magmas.

Tags: active volcanoes, age dates, aleutian arc, aleutian islands, alluvial deposits, analyses, analyses and sampling, basalt, bedrock, bedrock geology, caldera, cenozoic, chemistry, colluvium, erosion, fan, geochemical data, geochemistry, geochronology, geologic, geologic hazards, geologic map, geological process, geology, geomorphology, hazards, historic eruption, holocene, igneous, kasatochi, lava flow, mineralogy, petrographic, petrography, petrology, pumice, pyroclastics, quaternary, rockfall, rocks, sample location, slope instability, slump, soils, surface, surficial, talus, tephra, topography, ultramafic, uplift, volcanic, volcanic ash, volcanic eruption, volcanic rocks, volcaniclastics, volcanoes, volcanology
Organization: State of Alaska