Geologic map of the Upper Chena River area, eastern interior Alaska

Smith, T.E.Robinson, M.S.Weber, F.R.Waythomas, C.F.Reifenstuhl, R.R.1994Geologic map of the Upper Chena River area, eastern interior AlaskageodatabaseProfessional ReportPR 115Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys19 p., 1 sheet, scale 1:63,360https://doi.org/10.14509/2315Geologic studies of the upper Chena River area were undertaken in 1983 as part of the Interior Mining District Evaluation Program, a series of projects designed to develop new information on known mineral districts in interior Alaska. During the three-year course of the program, geologists examined four districts that have contributed significantly to historical gold production in Alaska's Interior, Fairbanks, Livengood, Richardson, and upper Chena River. The complete report, geodatabase, and ESRI fonts and style files are available from the DGGS website: http://doi.org/10.14509/2315.The authors chose to study the upper Chena River district to better understand (1) the source of placer gold resources near Van Curler's Bar, (2) the nature and production potential of tungsten-bearing skarns in the eastern map area, and (3) a proposed route of a transportation corridor through the area.This geodatabase is organized according to the AK GeMS mapping schema Hendricks, M.D., Ekberg, P.G., Athey, J.E., Wyatt, W.C., Willingham, A.L., and Naibert, T.J., 2021, AK GeMS data dictionary: A description of the Alaska geologic mapping schema: Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication 170, 10 p. https://doi.org/10.14509/30669. The distribution package includes ESRI fonts and style files, along with usage instructions. Further documentation of the symbology is provided by Ekberg, P.G., Hendricks, M.D., and Athey, J.E., 2021, AK GeMS symbology: A description of the AK GeMS style file: Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication 169, 7 p. https://doi.org/10.14509/305841994ground conditioncompleteNone planned-145.514326-144.48435265.14685464.809445ISO 19115 Topic CategorygeoscientificInformationAlaska Division of Geological & Geophysical SurveysAge DatesAlluvialAlluviumAmphiboliteBedrockBedrock GeologyCIPW NormsColluviumDGGSFanFloodplainGeMSGeMS NCGMP09GelifluctionGeneralizedGeochemistryGeochronologyGeodatabaseGeologic MapGeologyGlacial DepositsGneissGraniteGranodioriteGreenschistK-ArLandslideMajor OxidesMarbleModal AnalysisOrthogneissOutwashPeatPermafrost and PeriglacialPlacerQuartzQuartziteRhyoliteRocksSchistSerpentiniteSiltSlopeStratigraphySurficialTailingsTalusU-PbAlaska Division of Geological & Geophysical SurveysAnvil CreekBear CreekBoulder CreekCalifornia CreekCaribou CreekCash CreekCircle Mining DistrictCottonwood CreekDan CreekEast Fork Chena RiverFairbanks Mining DistrictMascot CreekMiddle Fork Chena RiverMontana CreekNorth Fork Salcha RiverOhio CreekPalmer CreekSalcha RiverSalmonfoot CreekShamrock CreekSullivan CreekTeuchet CreekVolcano CreekWolf CreekAlaska Division of Geological & Geophysical SurveysBlackshell UnitChena River SequenceDan Creek UnitTotatlanika SchistWest Point ComplexYukon-Tanana TerraneWalker, J.D., Geissman, J.W., Bowring, S.A, and Babcock, L.E., comp., 2012, Geologic Time Scale v. 4.0: Geological Society of AmericaCretaceousMesozoicPaleozoicPrecambrianQuaternaryTertiaryTriassicThis report, map, and/or dataset is available directly from the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (see contact information below).Any hard copies or published datasets utilizing these datasets shall clearly indicate their source. If the user has modified the data in any way, the user is obligated to describe the types of modifications the user has made. The user specifically agrees not to misrepresent these datasets, nor to imply that changes made by the user were approved by the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys. The State of Alaska makes no express or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.Alaska Division of Geological & Geophysical SurveysMetadata Managermailing and physical

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FairbanksAK99709-3707USA(907)451-5020(907)451-5050dggspubs@alaska.gov8 am to 4:30 pm, Monday through Friday, except State holidaysPlease view our website (https://www.dggs.alaska.gov) for the latest information on available data. Please contact us using the e-mail address provided above when possible.The Alaska legislature provided funding for the studies through capital and operating budget appropriations. Additional Acknowledgments: Geology by T.E. Smith, M.S. Robinson, F.R. Weber, C.F. Waythomas, and R.R. Reifenstuhl, assisted by D.D. Adams, G.L. Allegro, T.D. Balog, D.A. Coleman, J.W. Lindhorst, J.M. Murphy, and D.D. Southworth. Geochronology by J.N. Aleinikoff, U.S. Geological Survey, J.K. Mortenson, Geological Survey of Canada, D.L. Turner, University of Alaska Fairbanks, and F.H. Wilson, U.S. Geological Survey. Richard D. Reger and Richard C. Swainbank provided technical review and Fran Tannian provided a thorough edit. Digital cartography by Fred Sturmann. Geologic map conversion to the GeMS standard was funded by USGS National Geological and Geophysical Data Preservation Program under award number G20AP00103 and the State of Alaska General Fund.Albanese, M.D.1984Geochemical reconnaissance of the upper Chena River area, central Alaska: analytical data on the stream-sediment, pan-concentrate, and rock samplesReport of InvestigationRI 84-4Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys30 p., 1 sheet, scale 1:63,360https://doi.org/10.14509/2363Southworth, D.D.1985Geologic and geochemical investigations, Nail Ridge area, northwest Big Delta Quadrangle, AlaskaPublic Data FilePDF 85-38Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys19 p., 1 sheet, scale 1:40,000https://doi.org/10.14509/1131Certainty in attribute interpretation varies throughout the map and is scale dependant. Attribute fields within each feature class record the authors' degree of confidence in the existence or identity of applicable features.All polygon features were topologically validated according to specifications of the AK GeMS geologic mapping schema.This publication is released as a DGGS Professional Report (PR). A PR is the completed product of original research and analysis, and PRs use professional cartography and undergo rigorous peer review, editing, and revision to ensure accuracy.Certainty in feature boundaries or location varies throughout the map. Data fields within each feature class and the accompanying orientation and location confidence lookup tables record the authors' degree of confidence in the location of applicable features.DuBois, G.D.Wilson, F.H.Shew, Nora1986Map and tables showing potassium-argon age determinations and selected major-element chemical analyses from the Circle Quadrangle, AlaskaOpen-File ReportOF 86-392United StatesU.S. Geological Survey1 sheet, scale 1:250,000https://dggs.alaska.gov/pubs/id/12152250000paper1986publication dateDuBois, G.D. and others, 1986Geologic map compilationDusel-Bacon, CynthiaAleinikoff, J.N.1985Petrology and tectonic significance of augen gneiss from a belt of Mississippian granitoids in the Yukon-Tanana terrane, east-central AlaskaBulletinv. 96, no. 4UnknownGeological Society of Americahttp://gsabulletin.gsapubs.org/content/96/4/411.abstractpaper1985publication dateDusel-Bacon, Cynthia and Aleinikoff, J.N., 1985Geologic map compilationForbes, R.B.Weber, F.R.1975Progressive metamorphism of schists recovered form a deep drill hole near Fairbanks, AlaskaJournal of Researchv. 3, no. 6UnknownU.S. Geological Surveynullpaper1975publication dateForbes, R.B. and Weber, F.R., 1975Geologic map compilationFoster, H.L.Laird, JoKeith, T.E.C.Cushing, G.W.Menzie, W.D.1983Preliminary geologic map of the Circle Quadrangle, AlaskaOpen-File ReportOF 83-170-AUnited StatesU.S. Geological Survey30 p., 1 sheet, scale 1:250,000https://dggs.alaska.gov/pubs/id/12617250000paper1983publication dateFoster, H.L. and others, 1983Geologic map compilationGilbert, W.G.Redman, E.C.1975Geologic map and structure sections of Healy C-6 Quadrangle, AlaskaAlaska Open-File ReportAOF 80Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys3 p., 1 sheet, scale 1:40,000https://doi.org/10.14509/17640000paper1975publication dateGilbert, W.G. and Redman, E.C., 1975Geologic map compilationHendricks, M.D.Ekberg, P.G.Athey, J.E.Wyatt, W.C.2020AK GeMS data dictionary: A description of the AK GeMS database schemaMiscellaneous PublicationMP 168Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveyshttps://doi.org/10.14509/30583digital2020publication dateHendricks, M.D. and others, 2020GIS analysis and digital cartographyKeith, S.B.Laux, D.P.Maughan, J.Schwab, K.Ruff, StevenSwan, M.M.Abbott, EarlFriberg, Steve1991Buffa, R.H. and Coyner A.R., eds., Geology and ore deposits of the Great Basin—Field trip guidebook compendium, vol. 1Reno, NevadaNevada Geological Societynullpaper1991publication dateKeith, S.B. and others, 1991Geologic map compilationNeuendorf, K.K.E.Mehl, J.P., Jr.Jackson, J.A.2011Glossary of GeologyAlexandria, VirginiaAmerican Geological Institute799 phttps://www.americangeosciences.org/pubs/glossarydigital2011publication dateNeuendorf, K.K.E. and others, 2011GIS analysis and digital cartographyNewberry, R.J.Burns, L.E.Swanson, S.E.Smith, T.E.1990Stein, H.J., and Hannah, J.L., eds., Ore-bearing granite systemsSpecial Paper246UnknownGeological Society of Americahttps://doi.org/10.1130/SPE246-p121paper1990publication dateNewberry, R.J. and others, 1990Geologic map compilationReiser, H.N.Brosge, W.P.Marsh, S.P.Hamilton, T.D.Cady, J.W.Wilson, F.H.1987The Alaska Mineral Resource Assessment Program; background information to accompany folio of geologic and mineral resource maps of the Circle Quadrangle, AlaskaCircularC 986United StatesU.S. Geological Survey22 phttps://dggs.alaska.gov/pubs/id/13455paper1987publication dateReiser, H.N. and others, 1987Geologic map compilationRobinson, M.S.Smith, T.E.Metz, P.A.1990Bedrock geology of the Fairbanks mining districtProfessional ReportPR 106Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys2 sheets, scale 1:63,360https://doi.org/10.14509/228763360paper1990publication dateRobinson, M.S. and others, 1990Geologic map compilationSisson, Alexander1979The relationship of plate tectonics to Alaskan geology and resources, Proceedings, Alaska Geological Society Symposium 6, Anchorage, Alaska, April 4-6, 1977Anchorage, AlaskaAlaska Geological Societynullpaper1979publication dateSisson, Alexander, 1979Geologic map compilationSmith, T.E.Robinson, M.S.Bundtzen, T.K.Metz, P.A.1981Fairbanks mining district in 1981-New look at an old mineral province [abs.]nullv. 9, no. 11Unknownnullhttp://www.alaskaminers.org/alaska-miner-journalpaper1981publication dateSmith, T.E. and others, 1981Geologic map compilationSmith, T.E.Pessel, G.H.Wiltse, M.A.1987Mineral assessment of the Lime Peak-Mt. Prindle area, AlaskaMiscellaneous PublicationMP 29Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys712 p., 13 sheets, scale 1:63,360https://doi.org/10.14509/73163360paper1987publication dateSmith, T.E. and others, 1987Geologic map compilationSolie, D.N.Burns, L.E.Newberry, R.J.1990Gold favorability in the Big Delta Quadrangle, Alaska, as predicted by discriminant analysis for non-porphyry granitic rocksPublic Data FilePDF 90-13Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys16 p., 2 sheets, scale 1:250,000https://doi.org/10.14509/1447250000paper1990publication dateSolie, D.N. and others, 1990Geologic map compilationStreckeisen, A.L.Le Maitre, R.W.1979A chemical approximation to the modal QAPF classification of the igneous rocksnull136Unknownnullnullpaper1979publication dateStreckeisen, A.L. and Le Maitre, R.W., 1979Geologic map compilationWahrhaftig, Clyde1968Schists of the central Alaska RangeBulletinB 1254-EUnited StatesU.S. Geological Surveyp. E1-E22https://dggs.alaska.gov/pubs/id/3654paper1968publication dateWahrhaftig, Clyde, 1968Geologic map compilationWahrhaftig, Clyde1970Geologic map of the Healy D-3 Quadrangle, AlaskaGeologic Quadrangle MapGQ 805United StatesU.S. Geological Survey1 sheet, scale 1:63,360https://dggs.alaska.gov/pubs/id/1289863360paper1970publication dateWahrhaftig, Clyde, 1970Geologic map compilationWahrhaftig, Clyde1970Geologic map of the Healy D-2 Quadrangle, AlaskaGeologic Quadrangle MapGQ 804United StatesU.S. Geological Survey1 sheet, scale 1:63,360https://dggs.alaska.gov/pubs/id/1289763360paper1970publication dateWahrhaftig, Clyde, 1970Geologic map compilationWahrhaftig, Clyde1970Geologic map of the Fairbanks A-5 Quadrangle, AlaskaGeologic Quadrangle MapGQ 811United StatesU.S. Geological Survey1 sheet, scale 1:63,360https://dggs.alaska.gov/pubs/id/1289663360paper1970publication dateWahrhaftig, Clyde, 1970Geologic map compilationWahrhaftig, Clyde1970Geologic map of the Fairbanks A-3 Quadrangle, AlaskaGeologic Quadrangle MapGQ 809United StatesU.S. Geological Survey1 sheet, scale 1:63,360https://dggs.alaska.gov/pubs/id/1289563360paper1970publication dateWahrhaftig, Clyde, 1970Geologic map compilationWahrhaftig, Clyde1970Geologic map of the Fairbanks A-2 Quadrangle, AlaskaGeologic Quadrangle MapGQ 808United StatesU.S. Geological Survey1 sheet, scale 1:63,360https://dggs.alaska.gov/pubs/id/1289463360paper1970publication dateWahrhaftig, Clyde, 1970Geologic map compilationWahrhaftig, Clyde1970Geologic map of the Healy D-4 Quadrangle, AlaskaGeologic Quadrangle MapGQ 806United StatesU.S. Geological Survey1 sheet, scale 1:63,360https://dggs.alaska.gov/pubs/id/1289963360paper1970publication dateWahrhaftig, Clyde, 1970Geologic map compilationWahrhaftig, Clyde1970Geologic map of the Healy D-5 Quadrangle, AlaskaGeologic Quadrangle MapGQ 807United StatesU.S. Geological Survey1 sheet, scale 1:63,360https://dggs.alaska.gov/pubs/id/1290063360paper1970publication dateWahrhaftig, Clyde, 1970Geologic map compilationWahrhaftig, Clyde1970Geologic map of the Fairbanks A-4 Quadrangle, AlaskaGeologic Quadrangle MapGQ 810United StatesU.S. Geological Survey1 sheet, scale 1:63,360https://dggs.alaska.gov/pubs/id/1332863360paper1970publication dateWahrhaftig, Clyde, 1970Geologic map compilationWeber, F.R.Foster, H.L.Keith, T.E.C.Dusel-Bacon, Cynthia1978Preliminary geologic map of the Big Delta Quadrangle, AlaskaOpen-File ReportOF 78-529-AUnited StatesU.S. Geological Survey1 sheet, scale 1:250,000https://dggs.alaska.gov/pubs/id/12411250000paper1978publication dateWeber, F.R. and others, 1978Geologic map compilationWhite, A.J.R.Chappel, B.W.1983Roddick, J.C., ed., Circum Pacific plutonic terranesMemoir159UnknownGeological Society of Americahttps://doi.org/10.1130/MEM159-p21paper1983publication dateWhite, A.J.R. and Chappel, B.W., 1983Geologic map compilationWilson, F.H.Shew, Nora1981Map and tables showing preliminary results of potassium-argon age studies in the Circle Quadrangle, Alaska, with a compilation of earlier dating workOpen-File ReportOF 81-889United StatesU.S. Geological Survey1 sheet, scale 1:250,000https://dggs.alaska.gov/pubs/id/12104250000paper1981publication dateWilson, F.H. and Shew, Nora, 1981Geologic map compilationFieldwork - Mappers recorded observations in field notebooks and on the aerial photographs and topographic maps, predominantly at 1:63,360 scale. In some areas, photocopies of topography at varying enlarged scales were used. All compilations were made by hand on stable Mylar at 1:63,360 scale. Locations were determined visually in the field by reference to surrounding topography and sometimes by triangulation with Brunton compasses.1983Geologic map compilation - Data for the digital geologic map was digitized from a Mylar geologic field map compilation. This compilation was done on a one to one scale, stable Mylar of the USGS topographic base for each of the 1:63,360 scale USGS topographic bases included in the map area. The bedrock geologic map was compiled using field notes from fieldwork process step (above) and information from prior geologic investigations by various researchers. Wahrhaftig 1968 and Bundtzen and others, 1976 helped with detailed description and samples from the Alaska Range stratigraphy.DuBois, G.D. and others, 1986Dusel-Bacon, Cynthia and Aleinikoff, J.N., 1985Forbes, R.B. and Weber, F.R., 1975Foster, H.L. and others, 1983Gilbert, W.G. and Redman, E.C., 1975Keith, S.B. and others, 1991Newberry, R.J. and others, 1990Reiser, H.N. and others, 1987Robinson, M.S. and others, 1990Sisson, Alexander, 1979Smith, T.E. and others, 1981Smith, T.E. and others, 1987Solie, D.N. and others, 1990Streckeisen, A.L. and Le Maitre, R.W., 1979Wahrhaftig, Clyde, 1968Wahrhaftig, Clyde, 1970Wahrhaftig, Clyde, 1970Wahrhaftig, Clyde, 1970Wahrhaftig, Clyde, 1970Wahrhaftig, Clyde, 1970Wahrhaftig, Clyde, 1970Wahrhaftig, Clyde, 1970Wahrhaftig, Clyde, 1970Weber, F.R. and others, 1978White, A.J.R. and Chappel, B.W., 1983Wilson, F.H. and Shew, Nora, 19811994GIS analysis and digital cartography - The geologic and geographic features portrayed in this data distribution package were organized and attributed according to the AK GeMS geologic mapping schema.Hendricks, M.D. and others, 2020Neuendorf, K.K.E. and others, 20112021vectorUniversal Transverse Mercator70.999600-1410500000.0000000coordinate pair.00000001.00000001MetersNAD27Clarke 18666378206.40000000037294.978698199999997upper_chena_river_ak_gems_db_pkgGeodatabase, layer files, style files, and fontsAlaska Division of Geological & Geophysical Surveysupper_chena_river_ak_gems_db_pkgupper_chena_river_fed_gems_db_pkgGeodatabase, layer files, style files, and fontsAlaska Division of Geological & Geophysical Surveysupper_chena_river_fed_gems_db_pkgupper_chena_river_fed_gems_shapefile_pkgShapefiles and open data filesAlaska Division of Geological & Geophysical Surveysupper_chena_river_fed_gems_shapefile_pkgAlaska Division of Geological & Geophysical SurveysMetadata Managermailing and physical

3354 College Road

FairbanksAK99709-3707USA(907)451-5020(907)451-5050dggspubs@alaska.gov8 am to 4:30 pm, Monday through Friday, except State holidaysFGDC Content Standard for Digital Geospatial MetadataFGDC-STD-001-1998If the user has modified the data in any way they are obligated to describe the types of modifications they have performed in the supporting metadata file. User specifically agrees not to imply that changes they made were approved by the Alaska Department of Natural Resources or Division of Geological & Geophysical Surveys.https://dggs.alaska.gov/metadata/dggs.extdggs metadata extensions