Field Trip Road Log

  1. Don Winston,
  2. Robert J. Horodyski and
  3. James W. Whipple
  1. Don Winston1,
  2. Robert J. Horodyski2 and
  3. James W. Whipple3

Published Online: 19 MAR 2013

DOI: 10.1029/FT334p0071

Middle Proterozoic Belt Supergroup, Western Montana: Great Falls, Montana to Spokane, Washington, July 20-28, 1989

Middle Proterozoic Belt Supergroup, Western Montana: Great Falls, Montana to Spokane, Washington, July 20-28, 1989

How to Cite

Winston, D., Horodyski, R. J. and Whipple, J. W. (2013) Field Trip Road Log, in Middle Proterozoic Belt Supergroup, Western Montana: Great Falls, Montana to Spokane, Washington, July 20-28, 1989, American Geophysical Union, Washington, D. C.. doi: 10.1029/FT334p0071

Author Information

  1. 1

    Geology Department, University of Montana, Missoula, MT 59812

  2. 2

    Geology Department, Tulane University, New Orleans, LA 70118

  3. 3

    U.S. Geological Survey, U.S. Court House, Room 656, Spokane, WA

Publication History

  1. Published Online: 19 MAR 2013
  2. Published Print: 1 JAN 1989

ISBN Information

Print ISBN: 9780875906676

Online ISBN: 9781118667460

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Keywords:

  • Belt rocks;
  • Chamberlain Shale;
  • Field trip;
  • Flint Creek Hill;
  • Glacier National Park;
  • LaHood conglomerate;
  • Neihart Quartzite;
  • Stromatolites

Summary

This chapter contains sections titled:

  • Introduction

  • Day One, July 21: Great Falls Throughthe Litrle Beltand Big Beltmountains, to Jefferson Canyonand Butte

  • Day 2, July 22,: Missoula Group of Flint Creek Idlland Bmdseye

  • Day 3, July 23: Helenato East Glacier Park with Stops in the Greyson, Spokaneand Helenaformations

  • Day 4, July 24: Lewis Thrust, Appekunny Formation and Conophyton Zone

  • Day 5, July 25: Apikuni Mountain the Altyn, Appekunny, Grinnell and Empme Formations

  • Stop5-1 Alaltynformation

  • Day6, July26:Illkealongthe Continental Divide: the Upper Helena, Snowslip, Purcell Lavaand Lowershepard

  • Day 7, July 27: Mcdonald Lake Lodge to Libbymontana - Helena Cycles, Lower Burke Siltite, Prichard Transition, Upper Prichardand Wallace Formations