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Date Permissions Signed
Date of Award
Master of Science (MS)
Brown, Edwin H.
Pevear, David R.
Suczek, Christopher A., 1942-2014
Samples from the Shuksan Metamorphic Suite in the Gee Point-Finney Creek area were analyzed for twelve major elements and for the trace elements Y, Sr, Rb, Sc, Ni, Cr, Cu, Zr and Ba. The chemical compositions suggest that the protolith for the blueschist and greenschist was tholeiitic basalt, that the protolith for the iron-rich metasediment was a hydrothermally-formed sea floor precipitate on an active oceanic ridge and that the pelitic schists were once deep sea pelagic sediments. This assemblage probably formed along an oceanic spreading ridge.
Shuksan Metamorphic Suite, Northwestern Cascades, Iron formation
Western Washington University
Subject – LCSH
Geochemistry--Washington (State)--Cascade Range; Petrology--Washington (State)--Cascade Range
Cascade Range; Washington (State)
Copying of this thesis in whole or in part is allowable only for scholarly purposes. It is understood, however, that any copying or publication of this thesis for commercial purposes, or for financial gain, shall not be allowed without the author’s written permission.
Street-Martin, Leah V., "The Chemical Composition of the Shuksan Metamorphic Suite in the Gee Point - Finney Creek Area, North Cascades, Washington" (1981). WWU Graduate School Collection. 848.