Born Of Ice EarthCache
Hidden : 10/31/2010
Difficulty:
1 out of 5
Terrain:
1 out of 5

Size: Size: other (other)

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Geocache Description:

This Earthcache will take you to a beautiful Scenic Overlook in Detroit Lakes MN. Here you will find three different markers.

Detroit Lakes has seen many changes over the years but not all are due to mankind. Some of the changes were due to glaciers from millions of years ago. A glacier is a large body of ice moving slowly across a land surface. It forms when snow accumulates faster than it melts over a long period of time. Under the weight of the ice mass, a sole of ice melts at the bottom and allows the glacier to move. Glaciers sculpt the surface of the earth as they expand, cutting through relatively soft materials, picking up occasional pieces of rock or debris along the way, and depositing them further on. As the sole picks up various sizes of debris, it acquires texture and abrasive power that varies much like grades of sandpaper. The glacier deposits its collection of rocks and debris in a variety of ways. Glacial deposits, generally, are called drift. However, other terms are more descriptive of the materials and their formation. A collection of debris, unsorted by size or substance, is known as till. A thin blanket of low hills and lowlands laid down while the glacier is moving is called ground moraine. Often a huge chunk of ice, buried by debris, becomes isolated from the glacier. It then slowly melts, and leaves a collapsed pit of debris. This is called a kettle or ice-block, which often becomes a kettle lake when conditions are right. In the prairie, these are called potholes.

To Claim a find please answer these questions:


1. How long ago did the event happen that formed Minnesota's lakes?
2. What is Minnesota's most valuable mineral resource?
3. What geological object is separating the two lakes?
4. Name the rivers that the trail encountered.
5. Please post a picture of you visiting this sight on your log entry.

Extra credit if you can find a miss spelled word

Source: http://www.dnr.state.mn.us/snas/naturalhistory.html

Additional Hints (No hints available.)



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