USGS P 1555

Stratigraphy, structure, and graptolites of an Ordovician and Silurian sequence in the Terra Cotta Mountains, Alaska Range, Alaska

• Authors:

  Churkin, Michael, Jr., and Carter, Claire

• Publication Date:

  1996

• Publisher:

  U.S. Geological Survey 

• Ordering Info:

  USGS Publications Warehouse

• Quadrangle(s):

  McGrath

• Citation ID:

  4018

Bibliographic Reference

Churkin, Michael, Jr., and Carter, Claire, 1996, Stratigraphy, structure, and graptolites of an Ordovician and Silurian sequence in the Terra Cotta Mountains, Alaska Range, Alaska: U.S. Geological Survey Professional Paper 1555, 84 p., 4 sheets, scale 1:24,000.

Publication Products

• Report Information

  • p1555.pdf (15.0 M)

• Maps & Other Oversized Sheets

  • Plate 1, Geologic map of part of the McGrath A-1, A-2, B-1, and B-2 quadrangles, Alaska, scale 1:24,000 (1.7 M)
  • Table 1,2 and 3, Distribution and zonal ranges of Ordovician graptolites in scattered collections from the Post River Formation; Distribution and zonal ranges of Ordovician and Silurian graptolites in measured section of the Post River Formation; Distribution and zonal ranges of Silurian graptolites in scattered collections from the Post River Formation and Terra Cotta Mountains Sandstone (356.0 K)
  • Plate 2, Map showing fossil localities, type sections, reference sections, and field camp locations, Terra Cotta Mountains, scale 1:24,000 (1010.0 K)
  • Plate 3, Correlation chart of graptolite successions in central Alaska and measured section of the type Post River Formation (191.0 K)

Keywords

Bedrock; Bedrock Geology; Generalized; Geologic; Geology; Paleontology; Structural Geology; Structure

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