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File:Geofeatures-PacificNW.gif

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Summary

Description

Map Showing the Extent of the Columbia River Basalt Group and Main Structural Features.

  • OWL = Olympic-Wallowa lineament
  • LB = Lewiston basin
  • WW = Walla Walla
  • C = Cornucopia part of the Chief Joseph dike swarm
  • WSRP = western Snake River Plain
  • OIG = Oregon-Idaho graben
  • SM = Steens Mountains
  • NR = Nevada Rift zone
  • BFZ = Brothers Fault zone
  • EDFZ = Eugene-Denio fault zone
  • MFZ = Modoc fault zone
  • WE = Weiser embayment
  • PM = Pedro Mountains
  • KBLM = Klamath-Blue Mountains linear (gravity)
  • JDB = John Day basin
  • LG = LaGrange graben
  • HF = Hite fault
  • LF = Limekiln fault
  • NC = Newberry caldera
  • CG = Cascade graben
  • L&C = Lewis and Clark line (gravity anomaly)
  • SCF = Straight Creek fault
  • SB = Snoqualmie batholith
  • SCR = Southern Cascade Range
  • HB = Harney Basin
Date May 2005
Source Goldschmidt Conference 2005: Field Trip Guide to the Columbia River Basalt Group. Pacific Northwest National Laboratory (May 2005).
Author B.S. Martin, H.L. Petcovic, S.P. Reidel
Permission
(Reusing this file)
Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Federal Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
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Date/TimeThumbnailDimensionsUserComment
current03:41, 18 March 2026Thumbnail for version as of 03:41, 18 March 2026756 × 951 (124 KB)Hike395{{Information |Description=Map Showing the Extent of the Columbia River Basalt Group and Main Structural Features. *OWL = Olympic-Wallowa lineament *LB = Lewiston basin *WW = Walla Walla *C = Cornucopia part of the Chief Joseph dike swarm *WSRP = western Snake River Plain *OIG = Oregon-Idaho graben *SM = Steens Mountains *NR = Nevada Rift zone *BFZ = Brothers Fault zone *EDFZ = Eugene-Denio fault zone *MFZ = Modoc fault zone *WE = Weiser embayment *PM = Pedro Mountains *KBLM = Klamath-Blue Mo...

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