Cenozoic Volcanism in the Cascade Range and Columbia Plateau, Southern Washington and Northernmost Oregon

Title Page
......Page 1
Copyright
......Page 2
Tectonic And Geophysical Setting Of Thecascade Range In Southern Washington......Page 5
The Southern Washington Cascades Conductor......Page 8
Eocene Sedimentary And Volcanic Rocks......Page 9
Cascade Arc......Page 11
Postglacial Eruptive History......Page 12
Mid-tertiary Volcanic Rocks......Page 14
Metamorphism And Hydrothermal Alteration......Page 15
Geophysics......Page 16
Eruptive History......Page 17
Volcanic Activity, 1980-1988......Page 18
Petrologic Interpretation......Page 19
Indian Heaven Volcanic Field......Page 20
Early History......Page 21
Construction Of The Cone......Page 22
Postglacial Eruptive History......Page 23
Historical Activity......Page 24
Chemical Composition......Page 25
Vent Systems......Page 26
Volumes And Eruption Rates......Page 27
Invasive Flows And Sedimentary Interbeds......Page 28
Speculations On Origin......Page 29
Log For Day 1, Issaquah To Yakima Via Vantage......Page 30
Log For Day 2, Yakima To Packwood......Page 34
Log For Day 3 Or Day 4, Packwood To Cispus Center Viawindy Ridge......Page 41
Log For Optional Day 3, Packwood To Cispus Center Viamount Rainier......Page 44
Log For Day 5, Cispus Center To Hood River Via Indianheaven......Page 47
Log For Day 6, Hood River To Portland Via Mount Hood......Page 52
Acknowledgments......Page 55
REFERENCES......Page 56