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Tholeiitic basalt
1 of 1
Tholeiitic basalt
Item Details
Public
Title
Tholeiitic basalt
Lolo Flow
Date
1990
Location
Colfax
United States of America
Washington
Material
mafic
basic
Description
Wanapum Basalt Formation --- Priest Rapids Member --- Lolo Flow; relatively equigranular; hypocrystalline
Repository
Taylor Science Center Rm. 1033
ID Number
16
CRB
Source
Bailey, D.G.
Textures
intersertal
fine-grained (
vitrophyric
Minerals
clinopyroxene
plagioclase feldspar
olivine
Rock Color Index
melanocratic
Location1
Colfax
Rock Type
volcanic
Thin Section?
Yes
Location Description
Roadcut at top of Colfax grade (Highway 195), north of Colfax; Flow overlies Roza Flow; located near Colfax, WA.
Rights
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File Properties
File Name
9013569.fpx
SSID
9013569