USGS OF 51-29

The Blashke Island ultrabasic complex with notes on related areas in southeastern Alaska

• Authors:

  Walton, M.S., Jr.

• Publication Date:

  1951

• Publisher:

  U.S. Geological Survey 

• Ordering Info:

  USGS Publications Warehouse

• Quadrangle(s):

  Petersburg

• Supersedes:

  OF 126

• Citation ID:

  10528

Bibliographic Reference

Walton, M.S., Jr., 1951, The Blashke Island ultrabasic complex with notes on related areas in southeastern Alaska: U.S. Geological Survey Open-File Report 51-29, 266 p., 8 sheets.

Publication Products

• Report Information

  • of51-0029.pdf (11.0 M)

• Maps & Other Oversized Sheets

  • Plate 1, Geologic map of the Blashke Islands, southeastern Alaska, scale 1:13,714 (1.5 M)
  • Figure 2, Generalized geologic map showing the distribution of plutonic rocks in western Canada and Alaska (855.0 K)
  • Figure 8, Relationship of composition of olivine to distance inward or outward from dunite-augitite contact, Blashke Island complex (406.0 K)
  • Figure 9, Chemical composition of augite in the Blashke Island complex in terms of the atomic percentages of Mg, Ca, and Fe, as determined from optical properties (517.0 K)
  • Figure 10, Composition of augite in various rock types of Blashke Island complex (649.0 K)
  • Figure 14, Relationship of state of oxidization of iron to extent of serpentinization in peridotite (366.0 K)
  • Figure 18, Geologic and topographic sketch map of the Kane Peak ultrabasic area, Kupreanof Island, southeastern Alaska (989.0 K)
  • Table 2, Modes, norms and chemical analyses, scale 1 inch = 1000 feet (1.5 M)

Keywords

Bedrock; Generalized; Geology

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