Tuesday, July 24, 2012

Isopach Map

    http://vulcan.wr.usgs.gov/Imgs/Gif/Projects/MassMovement/Flume_Sept01/flume_deposit_isopach_map.gif

This map uses a measure of thickness variation, which is used to find oil and underground structural analysis. Maps use contour lines to measure thickness and variation of depth. This is a great example of this kind of map as it shows how the contour lines are depicted underground by using a negative scale to represent under ground level.

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