Mount Harper - Richardson

Project Details

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• Project ID:

  1672

• Nickname/Abbreviation:

  Mount Harper

• Parent Project:

  Earth Mapping Resources Initiative (Earth MRI)

• Status:

  Active

• Description:

  The Mount Harper field-geologic mapping project is part of the ongoing USGS and DGGS collaborative efforts to upgrade geologic data in the Yukon-Tanana Uplands as part of the larger Earth MRI project for FY2022. The primary objectives are to complete modern 1:100,000-scale geologic mapping, geochemistry, and geochronology in parts of the Big Delta, Eagle, and Mount Hayes quadrangles. USGS Award #G22AC00288

• Project Date(s):

  2022 - present

• Primary Contact:

  Twelker, Evan

• DGGS section:

  Mineral Resources

• Project Participants:

  Rainer J. Newberry, David J. Szumigala, Evan Twelker, Alicja Wypych, Travis J. Naibert, W. Chris Wyatt, Michelle M. Gavel, Alec D. Wildland, Michael L. Barrera, David A. Harvey, Izzy P. Muller, Noel J. Blackwell, Serena N. Fessenden, Conner M. Truskowski, Jenna N. Biegel

• Stations/Samples:

  View list

Publications

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PIR 2025-2

Twelker, Evan, Newberry, R.J., Naibert, T.J., Wypych, Alicja, Gavel, M.M., Barrera, M.L., Szumigala, D.J., Truskowski, C.M., Muller, I.P., Fessenden, S.N., Blackwell, N.J., Harvey, D.A., and Wildland, A.D., 2025, Bedrock geologic maps of the Mount Harper-Middle Fork area, Volkmar River-Healy River area, Goodpaster River-Shaw Creek area, and the Richardson Mining District, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2025-2, 38 p. https://doi.org/10.14509/31648

PIR 2025-2A

Twelker, Evan, Newberry, R.J., Naibert, T.J., and Wypych, Alicja, 2025, Bedrock geologic map of the Richardson Mining District, Big Delta Quadrangle, Alaska, in Twelker, Evan, Newberry, R.J., Naibert, T.J., Wypych, Alicja, Gavel, M.M., Barrera, M.L., Szumigala, D.J., Truskowski, C.M., Muller, I.P., Fessenden, S.N., Blackwell, N.J., Harvey, D.A., and Wildland, A.D., Bedrock geologic maps of the Mount Harper-Middle Fork area, Volkmar River-Healy River area, Goodpaster River-Shaw Creek area, and the Richardson Mining District, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2025-2A, 1 sheet, scale 1:100,000. https://doi.org/10.14509/31649

PIR 2025-2B

Newberry, R.J., Twelker, Evan, Naibert, T.J., Wypych, Alicja, Gavel, M.M., Barrera, M.L., Szumigala, D.J., Truskowski, C.M., Muller, I.P., Fessenden, S.N., Buchanan, J.W., Blackwell, N.J., Harvey, D.A., and Wildland, A.D., 2025, Bedrock geologic map of the Goodpaster River-Shaw Creek area, Big Delta Quadrangle, Alaska, in Twelker, Evan, Newberry, R.J., Naibert, T.J., Wypych, Alicja, Gavel, M.M., Barrera, M.L., Szumigala, D.J., Truskowski, C.M., Muller, I.P., Fessenden, S.N., Blackwell, N.J., Harvey, D.A., and Wildland, A.D., Bedrock geologic maps of the Mount Harper-Middle Fork area, Volkmar River-Healy River area, Goodpaster River-Shaw Creek area, and the Richardson Mining District, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2025-2B, 1 sheet, scale 1:100,000. https://doi.org/10.14509/31650

PIR 2025-2C

Naibert, T.J., Newberry, R.J., Twelker, Evan, Wypych, Alicja, Gavel, M.M., Barrera, M.L., Szumigala, D.J., Truskowski, C.M., Muller, I.P., Fessenden, S.N., Buchanan, J.W., Blackwell, J.M., Harvey, D.A., and Wildland, A.D., 2025, Bedrock geologic map of the Volkmar River-Healy River area, Big Delta and Mount Hayes quadrangles, Alaska, in Twelker, Evan, Newberry, R.J., Naibert, T.J., Wypych, Alicja, Gavel, M.M., Barrera, M.L., Szumigala, D.J., Truskowski, C.M., Muller, I.P., Fessenden, S.N., Blackwell, N.J., Harvey, D.A., and Wildland, A.D., Bedrock geologic maps of the Mount Harper-Middle Fork area, Volkmar River-Healy River area, Goodpaster River-Shaw Creek area, and the Richardson Mining District, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2025-2C, 1 sheet, scale 1:100,000. https://doi.org/10.14509/31651

PIR 2025-2D

Gavel, M.M., Wypych, Alicja, Naibert, T.J., Twelker, Evan, Newberry, R.J., Barrera, M.L., Szumigala, D.J., Truskowski, C.M., Muller, I.P., Fessenden, S.N., Blackwell, N.J., Harvey, D.A., and Wildland, A.D., 2025, Bedrock geologic map of the Mount Harper-Middle Fork area, Eagle Quadrangle, Alaska, in Twelker, Evan, Newberry, R.J., Naibert, T.J., Wypych, Alicja, Gavel, M.M., Barrera, M.L., Szumigala, D.J., Truskowski, C.M., Muller, I.P., Fessenden, S.N., Blackwell, N.J., Harvey, D.A., and Wildland, A.D., Bedrock geologic maps of the Mount Harper-Middle Fork area, Volkmar River-Healy River area, Goodpaster River-Shaw Creek area, and the Richardson Mining District, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2025-2D, 1 sheet, scale 1:100,000. https://doi.org/10.14509/31652

RDF 2025-4

Buchanan, J.W., Gavel, M.M., Wildland, A.D., and Newberry, R.J., 2025, LA-ICP-MS uranium lead geochronologic data of zircon from igneous and meta-igneous rocks in the Mount Harper project area, Eagle, Tanacross, Mount Hayes, and Big Delta quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2025-4, 5 p. https://doi.org/10.14509/31552

RDF 2025-11

Truskowski, C.M., Heizler, M.T., Naibert, T.J., Newberry, R.J., Twelker, Evan, and Szumigala, D.J., 2025, 40Ar/39Ar geochronology data from the Big Delta, Eagle, and Mount Hayes quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2025-11, 21 p. https://doi.org/10.14509/31534

RDF 2024-2

Buchanan, J.W., Wypych, Alicja, Barrera, M.L., Biegel, J.M., Gavel, M.M., Harvey, D.A., Ketcham, R.A., Muller, I.P., Naibert, T.J., Newberry, R.J., Regan, S.P., Szumigala, D.J., Twelker, Evan, and Wildland, A.D., 2025, Geochemical data from samples collected in 2023 for the Chena and Mount Harper projects, Big Delta, Circle, Fairbanks, and Eagle quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2024-2, 5 p. https://doi.org/10.14509/31123

RDF 2023-27

Gavel, M.M., Twelker, Evan, Wypych, Alicja, Naibert, T.J., Newberry, R.J., Szumigala, D.J., Wildland, A.D., Barrera, M.L., Biegel, J.N., Harvey, D.A., Ketcham, R.A., Muller, I.P., and Regan, S.P., 2023, Field station locations and magnetic susceptibility data for the Chena-Pogo and Mount Harper projects, Big Delta and Circle quadrangles, Alaska, collected June-September 2023: Alaska Division of Geological & Geophysical Surveys Raw Data File 2023-27, 3 p. https://doi.org/10.14509/31096

RDF 2023-24

Wypych, Alicja, Twelker, Evan, Naibert, T.J., Gavel, M.M., Newberry, R.J., Szumigala, D.J., Wildland, A.D., Barrera, M.L., Harvey, D.A., Muller, I.P., Fessenden, S.N., and Blackwell, N.J., 2023, Geochemical data from samples collected in 2022 for the Mount Harper geologic mapping project, Big Delta, Mount Hayes, and Eagle quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2023-24, 3 p. https://doi.org/10.14509/31089

RDF 2023-6

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

Posters and Presentations

Naibert, T.J. and others, 2022

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

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