Steese area

Project Details

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• Project ID:

  1695

• Nickname/Abbreviation:

  Steese

• Parent Project:

  Earth Mapping Resources Initiative (Earth MRI)

• Status:

  Active

• Description:

  The Steese area 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 FY2024. The project proposes to map a ~9,600 km2 (~3,700 mi2) area of the YTU at 1:100,000 scale. The proposed area adjoins the FFY2023 Earth MRI Chena-Pogo map (in progress) and includes parts of the Circle, Livengood, Fairbanks, and Big Delta quadrangles. It includes the Fairbanks and Circle mining districts (18 million ounces of gold produced to date; potential for W, Bi, Sb, As coproduction), the Roy Creek prospect (U, Th, REE, F; associated with peralkaline syenite stock and including total REE up to 15%), the Lime Peak-Cache Mountain area (granite-related Sn-W prospects), and Table Mountain and Mount Prindle areas (Au, W). The project will include about ten weeks of helicopter-supported fieldwork (split between 2024 and 2025 field seasons), plus compilation and revisiting of key problems within the mostly 1980's-era DGGS geologic maps (Fairbanks, Lime Peak-Mt Prindle, Circle, Northeast Fairbanks).

• Project Date(s):

  2024 - present

• Primary Contact:

  Buchanan, Wes

• DGGS section:

  Mineral Resources

• Project Participants:

  Rainer J. Newberry, David J. Szumigala, Evan Twelker, Travis J. Naibert, Sean P. Regan, Michael L. Barrera, Izzy P. Muller, Wes Buchanan, Conner M. Truskowski, Sean R. Marble, Lily P. Norwood, Jamshid A. Moshrefzadeh, Marisa D. Acosta, Kelly R. Wilson

• Stations/Samples:

  View list

Publications

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RDF 2025-25

Buchanan, J.W., Barrera, M.L., Moshrefzadeh, J.A., Truskowski, C.M., and Newberry, R.J., 2025, LA-ICP-MS uranium-lead zircon data from samples in the Chena and Steese project areas: Alaska Division of Geological & Geophysical Surveys Raw Data File 2025-25, 4 p. https://doi.org/10.14509/31731

RDF 2025-17

Moshrefzadeh, Jamshid, Acosta, M.D., Barrera, M.L., Buchanan, J.W., Naibert, T.J., Newberry, R.J., Norwood, L.P., Regan, S.P., Szumigala, D.J., and Twelker, Evan, 2025, Geochemical data from samples collected in 2024 for the Chena and Steese projects, Big Delta, Circle, Fairbanks, and Livengood quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2025-17, 3 p. https://doi.org/10.14509/31692

RDF 2025-13

Moshrefzadeh, J.A., and Newberry, R.J., 2025, Electron probe microanalyzer data collected on samples from the Chena and Steese projects, Yukon-Tanana Uplands, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2025-13, 6 p. https://doi.org/10.14509/31537

RDF 2025-5

Moshrefzadeh, J.A., Buchanan, J.W., Naibert, T.J., Twelker, Evan, Newberry, R.J., Szumigala, D.J., Barrera, M.L., Norwood, L.P., Acosta, M.D., and Regan, S.P., 2025, Field station locations and magnetic susceptibility data collected in 2024 for the Chena and Steese projects, Yukon-Tanana Uplands, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2025-5, 5 p. https://doi.org/10.14509/31476