Sunday, April 6, 2014

Isopachs

http://www.southampton.ac.uk/~imw/Durlston-Bay-Lower-Purbeck.htm

An isopach is a map that uses contour lines to represent a stratum or a group of strata that share the same thickness. An example of this is seen in the map above which shows the total Purbeck formation and the thickness is measured in feet. The isolines connect the points sharing similar thickness values.

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