Table of Contents:
  • Machine generated contents note: 1. Introduction and Regional Setting
  • Introduction
  • Access
  • History and Mission of the Park
  • Getting Started: The Geologic Time Scale and Pictured Rocks Stratigraphy
  • Geologic Setting
  • The Pictured Rocks Landscape
  • 2. Precambrian and Paleozoic Bedrock
  • Overview and Previous Work
  • Regional Correlation
  • Jacobsville Formation
  • Munising Formation
  • The Pre-Munising Surface
  • Basal Conglomerate Member
  • Chapel Rock Member
  • Origin of the Chapel Rock Member
  • Miners Castle Member
  • Au Train Formation
  • Fossils in Pictured Rocks National Lakeshore
  • Geologic History: Sequence of Events
  • The Lost Interval
  • 3. Ancient Lakes and Relict Shorelines
  • Introduction
  • Getting Started
  • Factors Affecting Lake Levels
  • Crustal Rebound
  • Ice-Marginal Retreat and Uncovering of Lower Outlets
  • Shoreline Patterns---Rebound and the Bathtub Revisited
  • Other Factors
  • The Lake Sequence in the Lake Superior Basin.
  • Contents note continued: Recognized Shorelines
  • Sequence of Events
  • The Modern Great Lakes
  • Features Related to Ancient Lake Levels in Pictured Rocks National Lakeshore and Vicinity
  • 4. The Ice Age
  • The Glacial Chronology
  • A Glacier Primer
  • Drift and Bedrock Surface Characteristics
  • Bedrock Topography
  • Drift Thickness
  • Drift Characteristics
  • Landforms
  • Moraines, Outwash Plains, and Heads of Outwash
  • Kingston Lake Kettle Chain
  • Drumlins
  • Kame Terraces
  • Spillways between Lakes Superior and Michigan
  • Previous Work
  • Deglaciation History
  • Discussions and Conclusions
  • 5. The Holocene Epoch
  • Stream and Lake Networks
  • Streams
  • Lakes
  • Initiation and Evolution of Grand Sable Dunes
  • Previous Work
  • The Curious History of Sable Creek, Grand Sable Lake, and Grand Sable Dunes
  • The Pictured Rocks Cliffs
  • Of Agates and Erratics
  • The Human Imprint
  • Native Americans
  • The Sawmill Culture
  • Sand Point: A Lesson in Geologic Complexity.
  • Contents note continued: Appendix: Pictured Rocks Road Log
  • Munising
  • Munising Falls
  • Memorial and Olsen Falls
  • Miners Castle Area
  • Miners Beach (east)
  • Miners Beach (west)
  • Chapel Beach Area
  • Mosquito Beach Area
  • Melstrand Esker
  • Long Lake Channel
  • Kingston Plains
  • Kingston Lake Kettle Chain
  • Hurricane River, Au Sable Point, and the Jacobsville Formation
  • Log Slide and Grand Sable Banks and Dunes
  • Grand Sable Lake
  • Sable Falls Are
  • Donahey Woods Site
  • Grand Marais.