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Earth Mapping Resources Initiative

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RDF 2023-23 Report Geospatial Data
Naibert, T.J., Heizler, M.T., Newberry, R.J., Twelker, Evan, and Wypych, Alicja, 2023, 40Ar/39Ar geochronology data from the Tanacross and Eagle quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2023-23, 19 p. https://doi.org/10.14509/31085
RDF 2023-6 Report Geospatial Data
Gavel, M.M., Twelker, Evan, Wypych, Alicja, Naibert, T.J., Newberry, R.J., Szumigala, D.J., Wildland, A.D., Barrera, M.L., Blackwell, N.J., Fessenden, S.N., Harvey, D.A., and Muller, I.P., 2023, Field station locations and magnetic susceptibility data collected in 2022 for the Mount Harper project, Eagle, Big Delta, and Mount Hayes quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2023-6, 3 p. https://doi.org/10.14509/30963
GPR 2022-1 Report Geospatial Data
Emond, A.M., and MPX Geophysics LTD, 2022, Tanana River and Big Delta airborne magnetic and radiometric survey: Alaska Division of Geological & Geophysical Surveys Geophysical Report 2022-1, 4 p. https://doi.org/10.14509/30899
RDF 2022-4 Report
Wypych, Alicja, Gavel, M.M., Naibert, T.J., Avirett, D.F., Barrera, M.L., Hubbard, A.K., Newberry, R.J., Regan, S.P., Twelker, Evan, Wildland, A.D., and Wyatt, W.C., 2022, Geochemical data from samples collected in 2021 for the Taylor Mountain project, Tanacross and Eagle quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2022-4, 3 p. https://doi.org/10.14509/30843
RDF 2022-5 Report
Wypych, Alicja, Gavel, M.M., Naibert, T.J., Avirett, D.F., Barrera, M.L., Hubbard, A.K., Newberry, R.J., Regan, S.P., Twelker, Evan, Wildland, A.D., and Wyatt, W.C., 2022, Geochemical data from samples collected in 2020 and 2021 for the Western Tanacross project, Tanacross Quadrangle, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2022-5, 3 p. https://doi.org/10.14509/30844
RDF 2022-3 Report Geospatial Data
Gavel, M.M., Wypych, Alicja, Naibert, T.J., Avirett, D.F., Barrera, M.L., Hubbard, A.K., Newberry, R.J., Regan, S.P., Twelker, Evan, Wildland, A.D., and Wyatt, W.C., 2022, Field station locations and magnetic susceptibility data collected in 2020 and 2021 for the Western Tanacross project, Tanacross and Eagle quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2022-3, 2 p. https://doi.org/10.14509/30838
RDF 2022-2 Report Geospatial Data
Gavel, M.M., Wypych, Alicja, Naibert, T.J., Avirett, D.F., Barrera, M.L., Hubbard, A.K., Newberry, R.J., Regan, S.P., Twelker, Evan, Wildland, A.D., and Wyatt, W.C., 2022, Field station locations and magnetic susceptibility data collected in 2021 for the Taylor Mountain project, Tanacross and Eagle quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2022-2, 2 p. https://doi.org/10.14509/30837
GPR 2021-2 Report Geospatial Data
Emond, A.M., and MPX Geophysics LTD, 2021, Eagle airborne magnetic and radiometric geophysical survey: Alaska Division of Geological & Geophysical Surveys Geophysical Report 2021-2, 4 p. https://doi.org/10.14509/30755
GPR 2021-3 Report Geospatial Data
Emond, A.M., and MPX Geophysics LTD, 2021, White Mountains airborne magnetic and radiometric geophysical survey: Alaska Division of Geological & Geophysical Surveys Geophysical Report 2021-3, 4 p. https://doi.org/10.14509/30756
PIR 2021-4 Report Geospatial Data
Wildland, A.D., Wypych, Alicja, Regan, S.P., and Holland, Mark, 2021, U-Pb zircon ages from bedrock samples collected in the Tanacross and Nabesna quadrangles, eastern Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2021-4, 47 p. https://doi.org/10.14509/30732
RI 2021-5 Report
Twelker, Evan, ed., 2021, Geologic investigation of the Ladue River-Mount Fairplay area, eastern Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2021-5, 86 p. https://doi.org/10.14509/30734
RI 2021-5A Report Map Geospatial Data
Twelker, Evan, Newberry, R.J., Wypych, Alicja, Naibert, T.J., Wildland, A.D., Sicard, K.R., Regan, S.P., Athey, J.E., Wyatt, W.C., and Lopez, J.A., 2021, Bedrock geologic map of the Ladue River-Mount Fairplay area, Tanacross and Nabesna quadrangles, Alaska, in Twelker, Evan, ed., Geologic investigation of the Ladue River-Mount Fairplay area, eastern Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2021-5A, p. 1-32, 1 sheet, scale 1:100,000. https://doi.org/10.14509/30735
RI 2021-5B Report
Newberry, R.J., and Twelker, Evan, 2021, Metamorphism of the Ladue River-Mount Fairplay area, in Twelker, Evan, ed., Geologic investigation of the Ladue River-Mount Fairplay area, eastern Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2021-5B, p. 33-39. https://doi.org/10.14509/30736
RI 2021-5C Report
Naibert, T.J., and Wypych, Alicja, 2021, Regional correlation of metamorphic rocks in the Ladue River-Mount Fairplay map area using trace-element geochemistry, in Twelker, Evan, ed., Geologic investigation of the Ladue River-Mount Fairplay area, eastern Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2021-5C, p. 40-49. https://doi.org/10.14509/30737
RI 2021-5D Report
Wildland, A.D., and Naibert, T.J., 2021, Structural geology of the Mount Fairplay-Ladue River area, in Twelker, Evan, ed., Geologic investigation of the Ladue River-Mount Fairplay area, eastern Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2021-5D, p. 50-62. https://doi.org/10.14509/30738
RI 2021-5E Report
Wypych, Alicja, 2021, Geochemistry of the igneous rocks in the Ladue River-Mount Fairplay area, in Twelker, Evan, ed., Geologic investigation of the Ladue River-Mount Fairplay area, eastern Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2021-5E, p. 63-76. https://doi.org/10.14509/30739
RI 2021-5F Report
Twelker, Evan, 2021, Economic geology of the Ladue River-Mount Fairplay area, in Twelker, Evan, ed., Geologic investigation of the Ladue River-Mount Fairplay area, eastern Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2021-5F, p. 77-86. https://doi.org/10.14509/30740
PIR 2021-2 Report Geospatial Data
Twelker, Evan, and O'Sullivan, P.B., 2021, U-Pb detrital zircon geochronology of Cretaceous-Cenozoic sedimentary rocks in the Ladue River-Mount Fairplay area, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2021-2, 16 p. https://doi.org/10.14509/30683
U.S. Geological Survey, 2021 Report Outside Link
U.S. Geological Survey, 2021, Geochemical data generated by projects funded by the USGS Earth Mapping Resources Initiative: U.S. Geological Survey Data Release, 1 p.
RDF 2020-12 Report Geospatial Data
Naibert, T.J., Benowitz, J.A., Wypych, Alicja, Sicard, K.R., and Twelker, Evan, 2020, 40Ar/39Ar data from the Tanacross D-1 and parts of the D-2, C-1, and C-2 quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2020-12, 35 p. https://doi.org/10.14509/30466
PIR 2020-1 Report
Newberry, R.J., 2020, The Mount Fairplay igneous complex: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2020-1, 32 p. https://doi.org/10.14509/30463
RI 2020-8 Report
Twelker, Evan, Newberry, R.J., Wypych, Alicja, Sicard, K.R., and Naibert, T.J., 2020, Mineral occurrences in the Tok River area, eastern Alaska Range: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2020-8, 49 p. https://doi.org/10.14509/30471
RDF 2019-9 Report Geospatial Data
Naibert, T.J., Twelker, Evan, Wypych, Alicja, Athey, J.E., Newberry, R.J., Lopez, J.A., Regan, S.P., Sicard, K.R., Wildland, A.D., and Wyatt, W.C., 2020, Field station locations and magnetic susceptibility data collected in 2019 for the Eastern Tanacross Project, Tanacross and Nabesna quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2019-9, 2 p. https://doi.org/10.14509/30268
RDF 2019-8 Report
Wypych, Alicja, Twelker, Evan, Naibert, T.J., Athey, J.E., Newberry, R.J., Lopez, J.A., Regan, S.P., Sicard, K.R., Wildland, A.D., and Wyatt, W.C., 2019, Major-oxide and trace-element geochemical data from rocks collected in 2019 for the Eastern Tanacross project, Tanacross and part of Nabesna quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2019-8, 3 p. https://doi.org/10.14509/30267

Posters and Presentations

Twelker, Evan and others, 2023 Report
Twelker, Evan, Emond, A.M., Newberry, R.J., Naibert, T.J., Gavel, M.M., and Buchanan, J.W., 2023, DGGS Earth MRI geologic mapping and geophysics program update (presentation): Alaska Miners Association annual convention, Anchorage, Alaska, November 7, 2023: Alaska Division of Geological & Geophysical Surveys, 24 p. https://doi.org/10.14509/31099
Werdon, M.B. and others, 2023 Report
Werdon, M.B., Twelker, Evan, and Emond, A.M., 2023, Alaska DGGS: 2023 Earth MRI update (presentation): Alaska Arc User Group, Anchorage, Alaska (June 21, 2023): Alaska Division of Geological & Geophysical Surveys, 12 p. https://doi.org/10.14509/31037
Naibert, T.J. and others, 2022 Report
Naibert, T.J., Wypych, Alicja, Twelker, Evan, Gavel, M.M., Wildland, A.D., Newberry, R.J., Szumigala, D.J., Barrera, M.L., and Fessenden, S.N., 2022, Updates on DGGS geologic mapping efforts in eastern Interior Alaska (presentation): Alaska Miners Association annual convention, Anchorage, Alaska, November 8, 2022: Alaska Division of Geological & Geophysical Surveys, 27 p. https://doi.org/10.14509/30910
Emond, A.M. and Twelker, Evan, 2022 Report
Emond, A.M., and Twelker, Evan, 2022, DGGS's completed Yukon-Tanana Upland Earth MRI airborne geophysics program and CY 2023 Mag, Rad, and EM acquisition plans (presentation): Alaska Miners Association Annual Meeting, Anchorage, Alaska, November 8-10, 2022: Alaska Division of Geological & Geophysical Surveys, 31 p. https://doi.org/10.14509/30911
Twelker, Evan and others, 2020 Map
Twelker, Evan, Newberry, R.J., Naibert, T.J., Wypych, Alicja, Sicard, K.R., Regan, S.P., and Wildland, A.D., 2020, New bedrock mapping highlights the importance of brittle and ductile structure in the tectonics and metallogeny of the eastern Yukon-Tanana Upland, Alaska (poster); Cordilleran Tectonics Workshop, Anchorage, Alaska, February 22-23, 2020: Alaska Division of Geological & Geophysical Surveys, 1 sheet. https://doi.org/10.14509/30429
Twelker, Evan and others, 2019 Report
Twelker, Evan, Wypych, Alicja, Sicard, K.R., Naibert, T.J., Athey, J.E., Wyatt, W.C., Newberry, R.J., Regan, S.P., Wildland, A.D., and Lopez, J.A., 2019, Draft (as of 11/5/2019) geologic map of the eastern Tanacross area (poster); Alaska Miners Association Annual Convention, Anchorage, Alaska, November 5-7, 2019: Alaska Division of Geological & Geophysical Surveys, 4 p. https://doi.org/10.14509/30414
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