Middle Proterozoic to Cambrian rifting, central North America
Middle Proterozoic to Cambrian rifting, central North America

Author: Richard W. Ojakangas

Publisher: Geological Society of America

Published: 1997-01-01

Total Pages: 331

ISBN-13: 0813723124

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Based on the Tenth International Basement Tectonics Conference held at the University of Minnesota-Duluth in August 1992, this volume contains 19 papers, 13 of which focus on the Middle Proterozoic Midcontinent Rift. An introductory essay discussing the Middle Proterozoic to Cambrian rifting in central North America is followed by contributions addressing topics including the Midcontinent Rift in Michigan and Minnesota, the Port Coldwell veins of northern Ontario, and petrography and sedimentation in the western Lake Superior region. The last five papers deal with the pre-Mount Simon basins of Ohio, the English Graben and the newly proposed East Continent Rift Complex, the Reelfoot Rift/Rough Creek Graben in the evolution of the Illinois Basin, and the A-type sheet granites in the Oklahoma Aulacogen of Cambrian age. Bandw illustrations. Annotation copyrighted by Book News, Inc., Portland, OR

Ancient Earth and the First Ancestors: A Cultural and Geological Journey
Ancient Earth and the First Ancestors: A Cultural and Geological Journey

Author: Ron Morton

Publisher: Rockflower Press LLC

Published: 2011-11-30

Total Pages: 235

ISBN-13: 0978599861

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In this sequel to the award winning Talking Rocks an earth scientist and an Ojibwe elder travel across Minnesota exploring the ancient rocks that make up a large part of that state.As the geologist describes how these rocks formed and brings to life the ancient worlds they created, the elder, through Native American stories, oral history, culture, and science illustrates how his people had an intimate understanding of,and respect for, these ancient rocks and the land they gave shape to.Traveling from Ely, Grand Portage, Gunflint Lake, and Isle Royale in the northern part of the state south to Jeffers, Mor¬ton, and Blue Mounds State Park the two find themselves discussing such diverse topics as the nature of science, holistic geology, mining, science and spirituality, the legacy of the furtrade, significance of the Little Spirit Tree, and much more. Ancient Earth and the First Ancestors not only tells a fascinating story that spans billions of years, but is also a wonderful chronicle of two people from different cultural and scientific heritages learning to understand, appreciate,and see the value and importance in each other’s way of viewing this land and the planet we all call home.

Wonderful Power
Wonderful Power

Author: Susan R. Martin

Publisher: Wayne State University Press

Published: 1999

Total Pages: 300

ISBN-13: 9780814328439

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This work examines the archaeological record of copper mining in the Lake Superior area.

Distal Impact Ejecta Layers
Distal Impact Ejecta Layers

Author: Billy P. Glass

Publisher: Springer Science & Business Media

Published: 2012-12-14

Total Pages: 723

ISBN-13: 3540882626

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Impact cratering is an important geological process on all solid planetary bodies, and, in the case of Earth, may have had major climatic and biological effects. Most terrestrial impact craters have been erased or modified beyond recognition. However, major impacts throw ejecta over large areas of the Earth's surface. Recognition of these impact ejecta layers can help fill in the gaps in the terrestrial cratering record and at the same time provide direct correlation between major impacts and other geological events, such as climatic changes and mass extinctions. This book provides the first summary of known distal impact ejecta layers

Adventures Through Deep Time
Adventures Through Deep Time

Author: R. B. VanArsdale

Publisher: Geological Society of America

Published: 2009

Total Pages: 120

ISBN-13: 0813724554

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Presents the geologic history of the central Mississippi River Valley and the surrounding area from the Precambrian through the Holocene. Its focal point is the New Madrid seismic zone.

Gooseberry Falls to Grand Portage
Gooseberry Falls to Grand Portage

Author: Ronald Lee Morton

Publisher: Rockflower Press LLC

Published: 2007

Total Pages: 301

ISBN-13: 0978599829

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From Gooseberry to Grandportage is a truly entertaining and informative book that takes you on a guided tour of the walking trails in the 8 state parks located along Minnesota's North Shore of Lake Superior.Written by geologist Ron Morton and biologist Steve Morse this easy to read guide details the natural history, scenic vistas, trail conditions, and interesting historical places seen and/or encountered on the hiking trails in the eight North Shore state parks.The book contains 30 individual walks and though a GPS unit is not needed for the walks, if you have one you can upload all of the walks from Rockflowerpress.com.