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Professional Paper 1662

Studies by the U.S. Geological Survey in Alaska, 2000

Frederic H. Wilson and John P. Galloway, Editors

Introduction

Oblique aerial photograph of Mount Griggs stratovolcano. Most of the 7,650 ft-high edifice consists late Pleistocene and Holocene lava flows and agglutinate. Knife Creek tributary streams bounding volcano are the Griggs Fork (right) and the Juhle Fork (left). Beyond the Juhle Fork is Mount Juhle, which consists largely of Jurassic marine sedimentary strata of the Naknek Formation, intruded by a Tertiary porphyritic granitoid pluton. Broken Mountain (lower left), Knife Creek valley (part of the Valley of Ten Thousand Smokes), and glacier (lower right) are covered by pyroclastic-flow and fall deposits from 1912 eruption of Novarupta (out of view to left). View is northward across upper Knife Creek. Photo by USGS.

The collection of papers that follows continue the series of U.S. Geological Survey (USGS) investigative reports in Alaska under the broad umbrella of the geologic sciences. The series presents new and sometimes preliminary findings that are of interest to earth scientists in academia, government, and industry; to land and resource managers; and to the general public. Reports presented in Geologic Studies in Alaska cover a broad spectrum of topics from various parts of the State (fig. 1), serving to emphasize the diversity of USGS efforts to meet the Nation's needs for earth-science information in Alaska.

First posted December 18, 2002

Download the following parts of this publication:

Introduction
By Fredric H. Wilson and John P. Galloway
Chapter 1. Geochemistry and Age Constraints on Metamorphism and Deformation in the Fortymile River Area, Eastern Yukon-Tanana Upland, Alaska
By Warren C. Day, John N. Aleinikoff, and Bruce Gamble
Chapter 2. Stratigraphy, Age, and Geochemistry of Tertiary Volcanic Rocks and Associated Synorogenic Deposits, Mount McKinley Quadrangle, Alaska
By Ronald B. Cole and Paul W. Layer
Chapter 3. Stratigraphic and Provenance Data from the Upper Jurassic to Upper Cretaceous Kahiltna Assemblage of South-Central Alaska
By Kevin R. Eastham and Kenneth D. Ridgway
Chapter 4. Late Triassic (Norian) Mollusks From the Taylor Mountains Quadrangle, Southwestern Alaska
By Christopher A. McRoberts and Robert B. Blodgett
Chapter 5. Notes on the Bedrock Geology and Geography of the Stikine Icefield, Coast Mountains Complex, Southeastern Alaska
By David A. Brew and Richard M. Friedman
Chapter 6. Mount Griggs: A Compositionally Distinctive Quaternary Stratovolcano Behind the Main Volcanic Line in Katmai National Park
By Wes Hildreth, Judy Fierstein, Marvin A. Lanphere, and David F. Siems
Chapter 7. Treeline Biogeochemistry and Dynamics, Noatak National Preserve, Northwestern Alaska
By Robert Stottlemyer, Dan Binkley, and Heidi Steltzer
Chapter 8. Environmental-Geochemical Study of the Slate Creek Antimony Deposit, Kantishna Hills, Denali National Park and Preserve, Alaska
By Robert G. Eppinger, Paul H. Briggs, James G. Crock, Allen L. Meier, Stephen J. Sutley, and Peter M. Theodorakos
Reports on Alaska — U.S. Geological Survey reports on Alaska, and non-USGS reports on Alaska released in 2000

Return to Studies by the U.S. Geological Survey in Alaska main page

These publications are online only

For additional information, contact:
Alaska Science Center staff
U.S. Geological Survey
4210 University Dr.
Anchorage, AK 99508
Alaska Mineral Resources
Alaska Science Center

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Suggested citation:

Wilson, F.H., and Galloway, J.P., eds., 2002, Studies by the U.S. Geological Survey in Alaska, 2000: U.S. Geological Survey Professional Paper 1662, 149 p., https://pubs.usgs.gov/pp/pp1662/.

ISSN 2330-7102 (online)

Contents

Introduction
By Fredric H. Wilson and John P. Galloway

Chapter 1. Geochemistry and Age Constraints on Metamorphism and Deformation in the Fortymile River Area, Eastern Yukon-Tanana Upland, Alaska
By Warren C. Day, John N. Aleinikoff, and Bruce Gamble

Chapter 2. Stratigraphy, Age, and Geochemistry of Tertiary Volcanic Rocks and Associated Synorogenic Deposits, Mount McKinley Quadrangle, Alaska
By Ronald B. Cole and Paul W. Layer

Chapter 3. Stratigraphic and Provenance Data from the Upper Jurassic to Upper Cretaceous Kahiltna Assemblage of South-Central Alaska
By Kevin R. Eastham and Kenneth D. Ridgway

Chapter 4. Late Triassic (Norian) Mollusks From the Taylor Mountains Quadrangle, Southwestern Alaska
By Christopher A. McRoberts and Robert B. Blodgett

Chapter 5. Notes on the Bedrock Geology and Geography of the Stikine Icefield, Coast Mountains Complex, Southeastern Alaska
By David A. Brew and Richard M. Friedman

Chapter 6. Mount Griggs: A Compositionally Distinctive Quaternary Stratovolcano Behind the Main Volcanic Line in Katmai National Park
By Wes Hildreth, Judy Fierstein, Marvin A. Lanphere, and David F. Siems

Chapter 7. Treeline Biogeochemistry and Dynamics, Noatak National Preserve, Northwestern Alaska
By Robert Stottlemyer, Dan Binkley, and Heidi Steltzer

Chapter 8. Environmental-Geochemical Study of the Slate Creek Antimony Deposit, Kantishna Hills, Denali National Park and Preserve, Alaska
By Robert G. Eppinger, Paul H. Briggs, James G. Crock, Allen L. Meier, Stephen J. Sutley, and Peter M. Theodorakos

Reports on Alaska — U.S. Geological Survey reports on Alaska, and non-USGS reports on Alaska released in 2000

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