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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Alaska Division of Geological & Geophysical Surveys Hendricks, M.D. Kinsman, N.E.M. Overbeck, J.R. State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys More... Tag Types Theme (10) Place (10) Tag Schemes Alaska Division of Geological & Geophysical Surveys (9) none (1) ISO 19115 Topic Category (10) View Results as: JSON ATOM CSV

Geologic map of the Dalton Highway (Atigun Gorge to Slope Mountain) area, southern Arctic Foothills, Alaska This report provides detailed mapping (1:63,360-scale) in the Dalton Highway area, from Atigun Gorge to Slope Mountain, in the west-central Philip Smith Mountains quadrangle. The map area extends from the northern flank of the Endicott Mountains into the Arctic Foothills province. Tags: Alaska, State of, Allochthon, Alluvial, Arenite, Atigun Gorge, All tags... Atigun River, Aufeis, Barite, Biostratigraphy, Brooks Range, Carbonates, Chert, Clastics, Coal, Colluvial Deposits, Conglomerate, Correlation, Dalton Highway, Depositional Environment, Endicott Mountains, Eolian, Fan, Faulting, Fluvial, Folding, Galbraith Lake, Geologic Map, Glacial, Glacial Lake, Glaciation, Grainstone, Graywacke, Ice-Contact, Igneous, Imnavait Mountain, Itigaknit Mountain, Itkillik River, Kettles, Kuparuk River, Lacustrine, Landslide, Limestone, Measured Stratigraphic Section, Mudstone, Organic Geochemistry, Orogeny, Outwash, Packstone, Paleocurrent, Paleontology, Petroleum, Philip Smith Mountains Quadrangle, Porosity, Provenance, Reservoir, Rock-Glacier, STATEMAP Program, Sagavanirktok River, Sandstone, Shale, Siderite, Slope Mountain, Solifluction, Stratigraphy, Structure, Surficial, Tectonics, Terrace, Toolik Lake, Toolik River, Trans-Alaska Pipeline, Turbidites, Uplift, Wackestone, geoscientificInformation, Fewer tags Photogrammetric digital surface models and orthoimagery for the continuous coastline, Wales to Platinum, Alaska, segment C: Nome to Elim Aerial photographs of the coastline from Nome to Elim were collected on August 23, 2015. The photographs were processed using Structure-from-Motion (SfM) photogrammetric techniques. Global Positioning System (GPS) checkpoints were collected via a Global Navigation Satellite System (GNSS) survey conducted between August 15 and September 14, 2015. For the purposes of open access to elevation and orthoimagery datasets in coastal regions of Alaska, this collection is being released as a Raw Data File with an open end-user license. This file is a single-band, 32-bit float DSM (digital surface model) which represents surface elevations of buildings, vegetation, and uncovered ground surfaces in meters with 20 cm GSD. The... Tags: Bear Creek, Bonanza River, Cape Darby, Cape Nome, Coastal, All tags... Coastal Erosion, Coastal and River, Daniels Creek, Dry Creek, Elim, Engineering, Engineering Geology, Environmental, Fish River, Flambeau River, Geologic, Geologic Hazards, Geological Process, Geomorphology, Golovin, Hazards, Hillshade Image, Iron Creek, Kachauik River, Kwiniuk River, Methods, Moses Point Fishing Village, Mudyutok River, Nome, Nome River, Orthoimagery, Port Safety, Portage Creek, Raster Image, Rock Creek, Snake River, Solomon, Solomon River, Surface, Surficial, Surficial Geology, White Mountain, Yuonglik River, geoscientificInformation, Fewer tags Photogrammetry-derived digital surface model and orthoimagery of land areas near Resurrection Bay, Alaska The State of Alaska Division of Geological & Geophysical Surveys (DGGS) produced a digital surface model (DSM) and an orthorectified aerial optical image mosaic (orthoimagery) of the Resurrection Bay watershed, surrounding the city of Seward in south-central Alaska. Aerial photographs and Global Navigation Satellite System (GNSS) data were collected on August 13, 2015, and were processed using Structure-from-Motion (SfM) photogrammetric techniques to create the DSM and orthoimagery. All data are projected in UTM Zone 6 North (meters) using the NAD83 (2011; EPSG 26906) horizontal datum and NAVD88 (Geoid12A; EPOCH 2010.00) vertical datum. The project was part of an ongoing investigation of the impact of flooding,... Tags: Aerial, Bear Creek, Bear Lake, Bear Lake Glacier, Bear Mountain, All tags... Box Canyon Creek, Caines Head, Callisto Peak, Clear Creek, Derby Cove, Engineering, Engineering Geology, Environmental, First Lake, Fourth of July Creek, Geologic, Geologic Hazards, Geological Process, Geology, Geomorphology, Godwin Creek, Grouse Lake, Hazards, Japanese Creek, Lakes, Likes Creek, Little Bear Lake, Lost Creek, Lost Lake Trail, Lowell Creek, Lowell Point, Marathon Mountain, Methods, Mount Alice, Mount Benson, Mount Eva, Orthoimagery, Phoenix Peak, Preachers Pond, Prospect Glacier, Race Point, Raster Image, Resurrection Bay, Resurrection River, Salmon Creek, Sawmill Creek, Scheffler Creek, Second Lake, Seward, Slope, Spring Creek, Spruce Creek, Surface, Surficial, Surficial Geology, The Lagoon, Thumb Cove, Tiehacker Mountain, Tonsina Creek, Tonsina Point, Vegetation, Water, Woodrow, geoscientificInformation, Fewer tags Photogrammetric digital surface models and orthoimagery for the continuous coastline, Wales to Platinum, Alaska, segment A: Wales to Teller Aerial photographs of the coastline from Wales to Teller were collected on August 27, 2015 - August 28, 2015. The photographs were processed using Structure-from-Motion (SfM) photogrammetric techniques. Global Positioning System (GPS) checkpoints were collected via a Global Navigation Satellite System (GNSS) survey conducted between August 15 and September 14, 2015. For the purposes of open access to elevation and orthoimagery datasets in coastal regions of Alaska, this collection is being released as a Raw Data File with an open end-user license. Orthoimages contain 4-band, 8-bit, unsigned raster data (red/green/blue/no data; file format-GeoTIFF; source-Fairbanks Fodar) with 20 cm GSD. No-data values are found... Tags: Coastal, Coastal Erosion, Coastal and River, Engineering, Engineering Geology, All tags... Environmental, Geologic, Geologic Hazards, Geological Process, Geology, Geomorphology, Hazards, Hillshade Image, Methods, Orthoimagery, Raster Image, Seward Peninsula, Surface, Surficial, Surficial Geology, Teller, Wales, geoscientificInformation, Fewer tags Photogrammetry-derived digital surface model and orthoimagery of land areas near Resurrection Bay, Alaska The State of Alaska Division of Geological & Geophysical Surveys (DGGS) produced a digital surface model (DSM) and an orthorectified aerial optical image mosaic (orthoimagery) of the Resurrection Bay watershed, surrounding the city of Seward in south-central Alaska. Aerial photographs and Global Navigation Satellite System (GNSS) data were collected on August 13, 2015, and were processed using Structure-from-Motion (SfM) photogrammetric techniques to create the DSM and orthoimagery. All data are projected in UTM Zone 6 North (meters) using the NAD83 (2011; EPSG 26906) horizontal datum and NAVD88 (Geoid12A; EPOCH 2010.00) vertical datum. The project was part of an ongoing investigation of the impact of flooding,... Tags: Aerial, Bear Creek, Bear Lake, Bear Lake Glacier, Bear Mountain, All tags... Box Canyon Creek, Caines Head, Callisto Peak, Clear Creek, Derby Cove, Engineering, Engineering Geology, Environmental, First Lake, Fourth of July Creek, Geologic, Geologic Hazards, Geological Process, Geology, Geomorphology, Godwin Creek, Grouse Lake, Hazards, Japanese Creek, Lakes, Likes Creek, Little Bear Lake, Lost Creek, Lost Lake Trail, Lowell Creek, Lowell Point, Marathon Mountain, Methods, Mount Alice, Mount Benson, Mount Eva, Orthoimagery, Phoenix Peak, Preachers Pond, Prospect Glacier, Race Point, Raster Image, Resurrection Bay, Resurrection River, Salmon Creek, Sawmill Creek, Scheffler Creek, Second Lake, Seward, Slope, Spring Creek, Spruce Creek, Surface, Surficial, Surficial Geology, The Lagoon, Thumb Cove, Tiehacker Mountain, Tonsina Creek, Tonsina Point, Vegetation, Water, Woodrow, geoscientificInformation, Fewer tags Yukon River bridge landslide: Preliminary geologic and geotechnical evaluation This report presents the findings of a geologic and geotechnical evaluation of a landslide at the Yukon River bridge (the E.L. Patton Bridge). The Yukon River bridge landslide occurred in fall 2012 between approximately 375 and 575 feet west of the bridge. Although there was no damage to the bridge foundation, the landslide's close proximity to the bridge and concerns over additional failures prompted multiple evaluations, including landslide documentation, drainage assessments, and geotechnical studies. This report was prepared to convey the general characteristics of the rock mass, characteristics of rock discontinuities, and the geomorphic expression of the 2012 landslide in the vicinity of the bridge. We determined... Tags: Alluvial Fan, Alluvium, Coastal and River Hazards, Colluvial Deposits, Colluvium, All tags... Dalton Highway, Drainage Patterns, Earthquake Related Hazards, Engineering, Erosion, Fracturing, Geological Process, Geology, Geomorphology, Geotechnical, Hazards, Landslide, Livengood Quadrangle, Loess, Permafrost and Periglacial, Slope Instability Hazards, Surficial, Trans-Alaska Pipeline, Translational Landslide, Transportation Corridor, Yukon River, geoscientificInformation, Fewer tags Photogrammetric digital surface models and orthoimagery for the continuous coastline, Wales to Platinum, Alaska, segment A: Wales to Teller Aerial photographs of the coastline from Wales to Teller were collected on August 27, 2015 - August 28, 2015. The photographs were processed using Structure-from-Motion (SfM) photogrammetric techniques. Global Positioning System (GPS) checkpoints were collected via a Global Navigation Satellite System (GNSS) survey conducted between August 15 and September 14, 2015. For the purposes of open access to elevation and orthoimagery datasets in coastal regions of Alaska, this collection is being released as a Raw Data File with an open end-user license. This file is a single-band, 32-bit float DSM (digital surface model) which represents surface elevations of buildings, vegetation, and uncovered ground surfaces in meters... Tags: Coastal, Coastal Erosion, Coastal and River, Engineering, Engineering Geology, All tags... Environmental, Geologic, Geologic Hazards, Geological Process, Geology, Geomorphology, Hazards, Hillshade Image, Methods, Orthoimagery, Raster Image, Seward Peninsula, Surface, Surficial, Surficial Geology, Teller, Wales, geoscientificInformation, Fewer tags Photogrammetric digital surface models and orthoimagery for the continuous coastline, Wales to Platinum, Alaska, segment C: Nome to Elim Aerial photographs of the coastline from Nome to Elim were collected on August 23, 2015. The photographs were processed using Structure-from-Motion (SfM) photogrammetric techniques. Global Positioning System (GPS) checkpoints were collected via a Global Navigation Satellite System (GNSS) survey conducted between August 15 and September 14, 2015. For the purposes of open access to elevation and orthoimagery datasets in coastal regions of Alaska, this collection is being released as a Raw Data File with an open end-user license. Orthoimages contain 4-band, 8-bit, unsigned raster data (red/green/blue/no data; file format-GeoTIFF; source-Fairbanks Fodar) with 20 cm GSD. No-data values are found in band 4 or shown as... Tags: Bear Creek, Bonanza River, Cape Darby, Cape Nome, Coastal, All tags... Coastal Erosion, Coastal and River, Daniels Creek, Dry Creek, Elim, Engineering, Engineering Geology, Environmental, Fish River, Flambeau River, Geologic, Geologic Hazards, Geological Process, Geomorphology, Golovin, Hazards, Hillshade Image, Iron Creek, Kachauik River, Kwiniuk River, Methods, Moses Point Fishing Village, Mudyutok River, Nome, Nome River, Orthoimagery, Port Safety, Portage Creek, Raster Image, Rock Creek, Snake River, Solomon, Solomon River, Surface, Surficial, Surficial Geology, White Mountain, Yuonglik River, geoscientificInformation, Fewer tags Geologic map of Mount Chiginagak volcano, Alaska Mount Chiginagak is a hydrothermally active volcano on the Alaska Peninsula, approximately 170 km south-southwest of King Salmon, Alaska. This small stratovolcano, approximately 8 km in diameter, has erupted through Tertiary to Permian sedimentary and igneous rocks. The eruptive products of Chiginagak volcano record a history of chiefly andesite lava flows and associated block-and-ash flows. The oldest lavas exposed are Pleistocene in age and are found everywhere around the edifice except in the northeast sector, where Holocene lava flows dominate the landscape. Holocene activity has covered the northeast flank with rubbly-topped andesite lava flows that extend as far as 4.6 km from their source vent at the summit... Tags: Alaska Peninsula, Aleutian Range, Analyses, Chiginagak, Gas, All tags... Geochemistry, Geochronology, Geologic, Geology, Hazards, Igneous, Lahar, Mount Chiginagak, Neoglacial, Pumice, Rocks, Sediment, Sulfur, Surface, Surficial, Tephra, Ugashik Quadrangle, Volcanic, Volcanic Ash, Volcanic Eruption, Volcanic Gas, Volcanic Rocks, Volcaniclastic Deposits, Volcaniclastics, Volcanoes, Volcanology, Water, geoscientificInformation, Fewer tags Geologic map of Mount Chiginagak volcano, Alaska Mount Chiginagak is a hydrothermally active volcano on the Alaska Peninsula, approximately 170 km south-southwest of King Salmon, Alaska. This small stratovolcano, approximately 8 km in diameter, has erupted through Tertiary to Permian sedimentary and igneous rocks. The eruptive products of Chiginagak volcano record a history of chiefly andesite lava flows and associated block-and-ash flows. The oldest lavas exposed are Pleistocene in age and are found everywhere around the edifice except in the northeast sector, where Holocene lava flows dominate the landscape. Holocene activity has covered the northeast flank with rubbly-topped andesite lava flows that extend as far as 4.6 km from their source vent at the summit... Tags: Alaska Peninsula, Aleutian Range, Analyses, Chiginagak, Gas, All tags... GeMS NCGMP09, Geochemistry, Geochronology, Geologic, Geology, Hazards, Igneous, Lahar, Mount Chiginagak, Neoglacial, Pumice, Rocks, Sediment, Sulfur, Surface, Surficial, Tephra, Ugashik Quadrangle, Volcanic, Volcanic Ash, Volcanic Eruption, Volcanic Gas, Volcanic Rocks, Volcaniclastic Deposits, Volcaniclastics, Volcanoes, Volcanology, Water, geoscientificInformation, Fewer tags