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This report provides detailed (1:63,360-scale) mapping of portions of U.S. Geological Survey Circle B-2 (1955), B-3 (1955), B-4 (1952), C-2 (1955), C-3 (1955), and C-4 (1952) quadrangles. The area is part of the Circle mining district and adjacent to the Fairbanks mining district. This report includes detailed geologic, structural, stratigraphic, and geochronologic data. Based on the resulting geologic maps, field investigations, and laboratory materials analyses, the project has also generated derivative maps of geologic construction materials and geologic hazards.
Tags: Aereal, Aerial Photography, Aeromagnetic Survey, Age Dates, Alaska, State of, All tags...
Core Research Center, core T054, from well operated by MONT BUREAU OF MINESRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "T054", "API Num": null, "Operator": "MONT BUREAU OF MINES", "Well Name": "6 HP COTTONWOOD", "Field": "HEATH", "State": "MT", "County": "FERGUS", "Type": "FULL", "Photos": "T", "Thin Sec": "F", "Analysis": "T", "Latitude": "47.869722", "Longitude": "-114.276234", "coordinates_geohash": "c2w8rd6t6dzy", "Source": "CENTER OF QUARTER SECTION", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "HEATH /LM/", "Age": "MISS", "Min Depth": "96", "Max Depth": "170"}], "crcwc_url":...
Core Research Center, cutting DZ19979, from well operated by AMERICAN HUNTERRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ19979", "API Num": "4305530033", "Operator": "AMERICAN HUNTER", "Well Name": "1 LION MOUNTAIN", "Field": null, "State": "UT", "County": "WAYNE", "Thin Sec": "F", "Analysis": "F", "Latitude": "38.19456", "Longitude": "-111.40034", "coordinates_geohash": "9wbc310eryjc", "Source": "FROM STATE RECORDS", "Min": "40", "Max": "4240", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/43396",...
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The Alaska Division of Geological & Geophysical Surveys (DGGS), in partnership with the U.S. National Cooperative Geologic Mapping Program, mapped approximately 450 mi2 of the Talkeetna Mountains region of central Alaska at 1:50,000 scale over the course of six weeks in 2014. This area contains significant exposures of Late Triassic mafic volcanics and gabbro sills that have been the focus of region-wide exploration for the Strategic and Critical platinum-group elements (PGEs). The area also exposes numerous inactive and possibly active faults which project through the area of proposed hydropower development. The resulting geologic map offers an improved understanding of the geology, structural history, and mineral...
Tags: 40Ar/39Ar, Aerial Geology, Aerial Photography, Alluvial, Alluvial Deposits, All tags...
Core Research Center, cutting CZ12203, from well operated by CITIES SERVICE OILRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "CZ12203", "API Num": "1108120001", "Operator": "CITIES SERVICE OIL", "Well Name": "A-1 HANSEN", "Field": "WILDCAT", "State": "ID", "County": "TETON", "Thin Sec": "F", "Analysis": "F", "Latitude": "43.77649", "Longitude": "-111.14836", "coordinates_geohash": "9xbcnc20x3py", "Source": "FROM STATE RECORDS", "Min": "60", "Max": "8370", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/24568",...
Core Research Center, cutting BZ00782, from well operated by UNION OILRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "BZ00782", "API Num": "2507307064", "Operator": "UNION OIL", "Well Name": "1 MITTENS", "Field": "WILDCAT PONDERA", "State": "MT", "County": "PONDERA", "Thin Sec": "F", "Analysis": "F", "Latitude": "48.2936623", "Longitude": "-112.9805457", "coordinates_geohash": "c2xdtpd4frph", "Source": "FROM STATE RECORDS", "Min": "10", "Max": "7680", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/810",...
Core Research Center, cutting CZ16921, from well operated by HELMERICH & PAYNERaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "CZ16921", "API Num": "4901320851", "Operator": "HELMERICH & PAYNE", "Well Name": "1-16 TRIBAL", "Field": null, "State": "WY", "County": "FREMONT", "Thin Sec": "F", "Analysis": "T", "Latitude": "43.41237", "Longitude": "-109.36193", "coordinates_geohash": "9xdnzqvp6k6d", "Source": "CENTER OF QUARTER SECTION", "Min": "350", "Max": "4950", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/29245",...
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This bedrock geologic map was produced by using airborne magnetic and electromagnetic surveys, data and notes from several months of fieldwork, geochemical data, and laboratory investigations. These maps are the result of new field investigations in the Eagle A-1 Quadrangle by DGGS in 1999, 2000, and 2001. Field investigations are part of a three-year mapping program to provide geologic ground truth for airborne geophysical surveys flown by DGGS in the Fortymile mining district during 1998.
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This geologic map was produced by merging a bedrock geologic map and a surficial geologic map of the Eagle A-1 Quadrangle. Surficial geologic units were determined by a combination of air photo interpretation and site-specific field investigations. Bedrock geologic units were determined by using a combination of airborne magnetic and electromagnetic surveys, several months of fieldwork, geochemical data, and laboratory investigations. These maps are the result of new field investigations by DGGS in 1999 and 2001.
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During 2008-2010, the Alaska Division of Geological & Geophysical Surveys continued a program, begun in 2006, of reconnaissance mapping of surficial geology in the proposed natural-gas pipeline corridor through the upper Tanana River valley, a 12-mi-wide (19.3-km-wide) area that straddles the Alaska Highway through the upper Tanana River valley from the western boundaries of the Tanacross B-6 and C-6 Quadrangles near the mouth of the Robertson River eastward to the eastern boundaries of the Tanacross A-4 and B-4 Quadrangles near Tetlin Junction. Mapping during 2008-2010 in the Tanacross Quadrangle linked with mapping of surficial geology completed in the Big Delta and Mt. Hayes quadrangles in 2006-2007. Surficial...
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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...
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This data release presents geologic map data for the surficial geology of the Aztec 1-degree by 2-degree quadrangle. The map area lies within two physiographic provinces of Fenneman (1928): the Southern Rocky Mountains province, and the Colorado Plateau province, Navajo section. Geologic mapping is mostly compiled from published geologic map data sources ranging from 1:24,000 to 1:250,000 scale, with limited new interpretive contributions. Gaps in map compilation are related to a lack of published geologic mapping at the time of compilation, and not necessarily a lack of surficial deposits. Much of the geology incorporated from published geologic maps is adjusted based on digital elevation model and natural-color...
Core Research Center, cutting DZ01488, from well operated by UNION TEXAS PETRRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ01488", "API Num": null, "Operator": "UNION TEXAS PETR", "Well Name": "1 JESSEN", "Field": null, "State": "WY", "County": "CARBON", "Thin Sec": "F", "Analysis": "F", "Latitude": "41.33866", "Longitude": "-106.48388", "coordinates_geohash": "9xk70vkz1ub0", "Source": "CENTER OF SECTION", "Min": "6600", "Max": "7770", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/32274",...
Core Research Center, cutting HH00950, from well operated by ATLANTIC RICHFIELD CORaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "HH00950", "API Num": "2502921002", "Operator": "ATLANTIC RICHFIELD CO", "Well Name": "1 ARCO-PAUL GIBBS", "Field": "WILDCAT FLATHEAD", "State": "MT", "County": "FLATHEAD", "Thin Sec": "F", "Analysis": "F", "Latitude": "48.2234074", "Longitude": "-114.9842051", "coordinates_geohash": "c2w4r6z19ydq", "Source": "FROM STATE RECORDS", "Min": "155", "Max": "17500", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url":...
Core Research Center, core W250, from well operated by NURE (BENDIX FIELD ENGINEERING)Raw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "W250", "API Num": null, "Operator": "NURE (BENDIX FIELD ENGINEERING)", "Well Name": "MEDICINE BOW 14", "Field": "MEDICINE BOW", "State": "WY", "County": "CARBON", "Type": "FULL", "Photos": "F", "Thin Sec": "F", "Analysis": "T", "Latitude": "41.45139", "Longitude": "-106.34521", "coordinates_geohash": "9xk7u1czc50h", "Source": "CENTER OF QUARTER SECTION", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "LINDSEY QUARTZITE", "Age": "PRECAMBRIAN", "Min...
Core Research Center, core S283, from well operated by MONTALBAN OILSRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "S283", "API Num": "2506705000", "Operator": "MONTALBAN OILS", "Well Name": "1 NPRR", "Field": "MISSION CREEK", "State": "MT", "County": "PARK", "Type": "FULL", "Photos": "F", "Thin Sec": "F", "Analysis": "F", "Latitude": "45.59801", "Longitude": "-110.267129", "coordinates_geohash": "c81e6ucgttjk", "Source": "FROM STATE RECORDS", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "TENSLEEP", "Age": "PENN", "Min Depth": "2638", "Max Depth": "2652"}], "crcwc_url": "https://my.usgs.gov/crcwc/core/report/15468",...
Core Research Center, cutting CZ13791, from well operated by KANSAS-NEBRASKA NATURAL GAS; AMERADA HESRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "CZ13791", "API Num": "4901320706", "Operator": "KANSAS-NEBRASKA NATURAL GAS; AMERADA HES", "Well Name": "1-24 FISH CREEK", "Field": "WC", "State": "WY", "County": "FREMONT", "Thin Sec": "F", "Analysis": "F", "Latitude": "43.66992", "Longitude": "-109.99696", "coordinates_geohash": "9xcb2vyetp1g", "Source": "FROM STATE RECORDS", "Min": "222", "Max": "5940", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth":...
Core Research Center, cutting BZ02521, from well operated by BALCRONRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "BZ02521", "API Num": "2509905484", "Operator": "BALCRON", "Well Name": "2 SMITH", "Field": "WILDCAT TETON", "State": "MT", "County": "TETON", "Thin Sec": "F", "Analysis": "F", "Latitude": "47.9821562", "Longitude": "-112.0687308", "coordinates_geohash": "c882cyfh361w", "Source": "FROM STATE RECORDS", "Min": "220", "Max": "1834", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/2772",...
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This map is the result of field investigations by DGGS in 1997 and 1998. This geologic map and report supersede the previously released Public Data File 99-24C, Preliminary surficial-geologic map of the Healy A-6 Quadrangle, southcentral Alaska. The current map has been updated to include mapping of areas adjacent to the Healy A-6 Quadrangle. Field investigations were part of a two-year mapping program to provide geologic ground truth for airborne geophysical surveys flown by DGGS in the Chulitna region of southcentral Alaska during 1996.
Core Research Center, core R615, from well operated by AMERICAN HUNTER EXPLRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "R615", "API Num": "4305530033", "Operator": "AMERICAN HUNTER EXPL", "Well Name": "1 LION MOUNTAIN", "Field": "WILDCAT", "State": "UT", "County": "WAYNE", "Type": "SLABBED", "Photos": "F", "Thin Sec": "F", "Analysis": "F", "Latitude": "38.19456", "Longitude": "-111.40034", "coordinates_geohash": "9wbc310eryjc", "Source": "FROM STATE RECORDS", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "KAIBAB /LM/", "Age": "PERM", "Min Depth": "3992", "Max Depth": "4114"}],...


map background search result map search result map Geologic map of the Eagle A-1 Quadrangle, Fortymile mining district Bedrock geologic map of the Eagle A-1 Quadrangle, Fortymile mining district, Alaska Surficial geology of Alaska Highway Corridor, Robertson River to Tetlin Junction, Alaska Geologic map of the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska Reanalysis of historical U.S. Geological Survey sediment samples for geochemical data from the western part of the Wrangellia terrane, Anchorage, Gulkana, Healy, Mt. Hayes, Nabesna, and Talkeetna Mountains quadrangles, Alaska Geologic map of the Circle mining district, Alaska Surficial-geologic map of the Chulitna region, southcentral Alaska Core Research Center Core W250 Core Research Center Core S283 Core Research Center Core T054 Core Research Center Core R615 Core Research Center Cutting BZ00782 Core Research Center Cutting BZ02521 Core Research Center Cutting CZ12203 Core Research Center Cutting CZ13791 Core Research Center Cutting CZ16921 Core Research Center Cutting DZ01488 Core Research Center Cutting DZ19979 Core Research Center Cutting HH00950 Surficial geologic map database of the Aztec 1-degree by 2-degree quadrangle, northern New Mexico and southern Colorado: Contributions to the National Geologic Map Geologic map of the Eagle A-1 Quadrangle, Fortymile mining district Bedrock geologic map of the Eagle A-1 Quadrangle, Fortymile mining district, Alaska Geologic map of the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska Geologic map of the Circle mining district, Alaska Surficial-geologic map of the Chulitna region, southcentral Alaska Surficial geology of Alaska Highway Corridor, Robertson River to Tetlin Junction, Alaska Surficial geologic map database of the Aztec 1-degree by 2-degree quadrangle, northern New Mexico and southern Colorado: Contributions to the National Geologic Map Reanalysis of historical U.S. Geological Survey sediment samples for geochemical data from the western part of the Wrangellia terrane, Anchorage, Gulkana, Healy, Mt. Hayes, Nabesna, and Talkeetna Mountains quadrangles, Alaska