Something very big has been here ... EarthCache
Hidden : 9/29/2011
Difficulty:
1.5 out of 5
Terrain:
1.5 out of 5

Size: Size: not chosen (not chosen)

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Geocache Description:


From the Michigan Department of Natural Resources:

"Michigan experienced the last great ice sheet, known as the Wisconsin Glacier, about fourteen thousand years ago. This huge ice mass was a mile thick and almost four million miles square. Its northernmost head touched Hudson Bay, and its icy tongue reached toward the banks of the Ohio River. As this "river of ice" crept over the underlying rocks, its base scraped millions of tons of earth like a giant bulldozer over the land. This debris composed of soil, pebbles, cobbles and boulders was pushed forward, grinding rocks into glacial dust, while boulders scratched their signatures on the bedrock.

The weight of the glacier over the Michigan basin was lessening, and the earth began to rebound, like a sponge returning to its original shape when the squeezing stops. The Michigan landscape began to emerge like a slowly rising phoenix. Plants began to appear on the drying landscape. Communities formed as various plants found a suitable growing environment near each other."

This earthcache is a result of glacial activity. Because the glaciers scoured the earth and then began to melt, some depressions later became lakes and ponds. This site is considered a glacial kettle hole - a depression that fills with melt water. They may range from 5m - 13km in length and as deep as 45m. This is an excellent site to consider the shaping powers of glaciers. In addition to its geologic past it is of extreme environmental importance today. This vernal pond (temporary pool of water created by rain water and snow melt) is home to many amphibians, reptiles, plants, birds, and insects. Because there is not water in the pond year round, fish cannot survive here, making it an ideal place for amphibians to lay their eggs. This is a really great website that has images to show how far the glaciers extended (visit link) of the presence of glaciers thousands of years ago in this region we are able to enjoy not only the landscapes left behind but the life that is able to benefit from those frozen giants.

Your task:
From ground zero, do you see any additional signs that glaciers moved through here?

Take a picture of the place you find! (optional)

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