The Potential for Diamond-Bearing Kimberlite in Northern Michigan and Wisconsin

Geological Survey Circular 842

by

W.F Cannon and M.G. Mudrey Jr.

Ebook

Contents

• Abstract
• Introduction
• Diamond Discoveries in Wisconsin
• • Eagle, Waukesha County
  • Plum Creek, Pierce County
  • Saukville, Ozaukee County
  • Kohlsville, Washington County (Theresa Diamond)
  • Oregon, Dane County
  • Burlington, Racine County
  • Collins, Manitowac County
• Why no Finds since 1913
• The Lake Ellen Kimberlite
• Possible Cryptovolcanic Structures
• Glover Bluff Structure
• Structures near Pelkie, Michigan
• • Limestone Mountain
  • Sherman Hill
  • Areas of Disturbed Jacobsville Sandstone
  • Brule River Outlier
• Possible relationship between cryptovolcanic structures and kimberlite
• Do Wisconsin drift diamonds have a local source
• Exploration for Kimberlite
• References Cited

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