DGGS PIR 2026-1

Geologic map of the West Susitna area, parts of the Tyonek C-3, C-4, D-4, and D-5 quadrangles, Alaska

• Authors:

  Walser, S.L., Gillis, R.J., Bernt, J.D., Salisbury, J.B., Diaz, A.V., and Hubbard, T.D.

• Publication Date:

  Mar 2026

• Publisher:

  Alaska Division of Geological & Geophysical Surveys 

• Ordering Info:

  Download below for free or see our publication sales page to order a hard copy.

• Quadrangle(s):

  Tyonek

• Related project(s):

  West Susitna geologic mapping

• Citation ID:

  32075

Bibliographic Reference

Walser, S.L., Gillis, R.J., Bernt, J.D., Salisbury, J.B., Diaz, A.V., and Hubbard, T.D., 2026, Geologic map of the West Susitna area, parts of the Tyonek C-3, C-4, D-4, and D-5 quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2026-1, 10 p., 2 sheets, scale 1:50,000. https://doi.org/10.14509/32075

Publication Products

• Report Information

  • pir2026_001.pdf (1.48 M)

• Maps & Other Oversized Sheets

  • Sheet 1, Geologic map of the West Susitna area, parts of the Tyonek C‑3, C‑4, D‑4, and D‑5 quadrangles, Alaska: Northwest sheet, scale 1:50,000 (93.0 M)
  • Sheet 2, Geologic map of the West Susitna area, parts of the Tyonek C‑3, C‑4, D‑4, and D‑5 quadrangles, Alaska: Southeast sheet, scale 1:50,000 (68.0 M)

• Geospatial & Analytical Data

  West Susitna STATEMAP geologic map	Data File Format	File Size	Info
  Download pir2026_001_west_susitna_ak_gems	Database files	20.2 M	Metadata - Read me
  Download pir2026_001_west_susitna_gems_db	Database files	19.3 M	Metadata - Read me
  Download pir2026_001_west_susitna_gems_geopackage	Database files	126.2 K	Metadata - Read me
  Download pir2026_001_west_susitna_gems_shapefile	Shapefile	4.8 M	Metadata - Read me

Keywords

Alexander Creek; Alexander Lake; Alluvial; Alluvium; Bates Creek; Bear Creek; Bedrock; Bedrock Geologic Map; Bedrock Geology; Beluga Mountain; Canyon Creek; Canyon Lake; Chert; Clay; Claystone; Clear Creek; Coal; Colluvium; Conglomerate; Contact Creek; Correlation; Cretaceous; Deep Creek; DGGS; Dike; Dog Lake; Drift; Early Eocene; Early Miocene; Elevation; Elmendorf Stade; Engineering; Engineering Geology; Eocene; Erosion; Fan; Faulting; Feldspar; Flood; Floodplain; Fluvial; Flysch; Gabbro; GeMS DB L3 Compliant; GeMS DB v2; Geologic; Geologic Hazards; Geologic Map; Geologic Materials; Geological Process; Geology; Geomorphology; geoscientificInformation; Glacial; Glaciation; Gravel; Hayes River; Hazards; Hiline Lake; Holocene; Hornblende; Igneous; Intrusive; Jean Lake; Jurassic; Kahiltna Terrane; Killey Stade; Landslide; Late Miocene; Late Paleocene; Meltwater; Metamorphic; Metapelite; Middle Miocene; Miocene; Moosehorn Stade; Moraines; Mudstone; Naptowne Glaciation; Nonmarine; Onestone Lake; Outcrop; Outwash; Paleocene; Paludal; Peat; Pebble; Plagioclase; Pleistocene; Pliocene; Quartz; Quartz Creek; Rabbit Lake; Redoubt Mining District; Resources; Rocks; Sand; Sandstone; Sediment; Sedimentary; Sevenmile Lake; Shell Creek; Silt; Siltstone; Skilak Stade; Skwentna River; Snag Creek; STATEMAP Project; Subbituminous; Subsidence; Sucker Lake; Surface; Surficial; Surficial Deposits; Surficial Geologic Map; Surficial Geology; Talachulitna River; Talus; Teepee Lake; Tephra; Terrace; Texas Creek; Thursday Creek; Till; Top Lake; Trail Creek; Trail Lake; Tuff; Volcanic; Volcaniclastics; Wolf Lakes; Wolverine Creek; Yentna Mining District

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