Friday, April 23, 2010

Isopach Map

Isopach maps show the thickness of sediment deposits. In this map the thickness in meters of Tioga Bentonite is show with a dark black line. Tioga Bentonite was a deposit of sediment from a volcano eruption millions of years ago. From this map, researchers are able to study a volcanic eruption that occurred many years ago. The theme of this map is thickness of sedimentary deposits, but it also includes city boundaries and cities.

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