Sienna Hills Erratic EarthCache
Hidden : 3/19/2007
Difficulty:
1 out of 5
Terrain:
1 out of 5

Size: Size: not chosen (not chosen)

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Geocache Description:

An easy drive-up find and a strange juxtaposition - a glacial erratic next to a children's playground!

This 40 tonne quartzite boulder comes from Mt. Edith Cavell, near Jasper. It was carried here on the back of Cordilleran ice sheets tens of thousands of years ago, during the last Ice Age.

The Sienna Hills Erratic and other boulders (including GCP7ZG The Big Rock Earthcache, GC11FPM Nose Creek Pathway Erratic and GC119A4 Nose Hill Glacial Erratic) were dropped onto the Alberta landscape as the glaciers melted. Geologists call single pieces of debris dropped by glaciers erratics and many pieces glacial till. This narrow scattering of rocks, extending about 640 km from West Central Alberta to Montana, is called the Foothills Erratic Train.

To log this cache, e-mail the cache owner (do not post) your answers to the following questions:
1. Explain why this erratic ended up in Calgary instead of a location further east.
2. Explain why this boulder is called an "erratic".

Click here to send e-mail.

Additional Hints (No hints available.)



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