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Stratigraphic and structural framework of the Challis Volcanics in theeastern half of the Challis 1 degrees X2 degrees Quadrangle, Idaho

McIntyre, D H; Ekren, E B; Hardyman, R F (1982) Stratigraphic and structural framework of the Challis Volcanics in theeastern half of the Challis 1 degrees X2 degrees Quadrangle, Idaho. Bulletin - Idaho Bureau of Mines and Geology, vol.26, pp.3-22, 1982

AuthorsMcIntyre, D H; Ekren, E B; Hardyman, R F
Year1982
TitleStratigraphic and structural framework of the Challis Volcanics in theeastern half of the Challis 1 degrees X2 degrees Quadrangle, Idaho
SourceBulletin - Idaho Bureau of Mines and Geology, vol.26, pp.3-22, 1982
Book editorsBonnichsen, Bill; Breckenridge, Roy M
ISSN0073-442X
GeoRef1985-023711
Keywordsash-flow tuff; Cenozoic; Challis Quadrangle; Challis Volcanics;chemical composition; correlation; Custer Graben; faults; grabens;Idaho; igneous rocks; intrusions; lava; mafic composition;paleomagnetism; Panther Creek Graben; pumice; pyroclastics; reversals;stratigraphy; structural geology; tectonics; Tertiary; tuff; UnitedStates; Van Horn Peak; volcanic rocks; volcaniclastics; volcanism

14 samples from this reference

SampleRock nameMajorTraceIsotope
1Basalt yes
2Basalt yes
3Syenite yes
4Andesite yes
5Latite yes
6Andesite yes
7Andesite yes
8Dacite yes
9Pyroclastic-flow yes
10Pyroclastic-flow yes
11Pyroclastic-flow yes
12Pyroclastic-flow yes
13Rhyodacite yes
14Rhyodacite yes