Extreme Varving

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Uploaded by on Apr 14, 2008

Cascade Mountains - Gifford Pinchot National Forest:
This glacial lake sedimentary deposit, called a varve, is located in the Gifford Pinchot National Forest at 45º 56' 41" N
122º 16' 28" W
Elevation: 838 Feet

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Travel & Events

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  • varves commonly form under anoxic conditions of a glacial lake sedimentary deposit. Your audio disappeared at "ooo look at this" 4:34 - 6:17

    Swedish geologist Gerard De Geer (1858-1943) proposed a new formal definition where varve described the whole of any annual sedimentary layer. More recently introduced terms such as "annually laminated' are synonymous with varve.

    this has been an interesting exploration thanks for posting

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