earthscienceguy
Geology and Geoscience education, focused on the state of Minnesota and surrounding states.
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Delano Earth Science
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Monday, July 16, 2012
Minnesota Geology Monday - Folded Banded Iron Formation
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Minnesota's first iron ore mine opened in 1882 and is called the Soudan Mine, initially there were several open pit mines in the area. ...
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Friday, July 13, 2012
Stromatolites in the Gunflint Iron Formation & the Sudbury Impact Layer
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A few weeks ago, I took my two boys (Kieran, age 6 and Luke, 3) camping on the North Shore of Lake Superior and at the end of the Gunflint t...
Monday, July 9, 2012
Minnesota Geology Monday - Granites of the St. Cloud Area
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St. Cloud has the nickname "The Granite City" for good reason. There were almost one hundred granite quarries in the area over t...
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Tuesday, July 3, 2012
Minnesota Geology Monday - Palisade Head Rhyolite
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The 1,100 million year old Midcontinent Rift System stretches from northwestern Ohio and Michigan to the Lake Superior Basin, through Minnes...
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