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Geology News
Minnesota Current Events

Beach sand is much more than just little brown granules. It is comprised of microscopic shells, pieces of coral, tiny gems, mineral fragments, and more. This colorful and interesting slideshow displays the microphotography of Dr. Gary Greenberg.

Shifting of ice on a lake in Minnesota produced a loud noise and vibrations. The vibrations were detected by University of Wisconsin seismograph and many people.

An engineers report says that home sites damaged by landslides in Rochester, Minnesota were poorly prepared during construction. They were improperly filled, poorly compacted and graded too steeply.

UMD Image

This past summer of 2007, the University of Minnesota Duluth intiated a new six-week Precambrian geology field camp in the picturesque boundary waters area of northeastern Minnesota. The camp highlights mapping methods best suited to field studies of the diverse Precambrian terranes on the southern Canadian Shield. Students interested in pursuing field-based graduate research of Precambrian geology or in seeking entry- level jobs in the minerals exploration industry will particularly benefit from this field camp.

About 1.85 billion years ago a meteorite impact formed a large crater in the Sudbury district of Ontario, Canada. Debris from that impact was scattered across thousands of square miles. Recently, the Ham Lake fire exposed pieces of impact debris in northern Minnesota and provide interesting clues to understanding the unusual nature of the impact crater.