Sunday, December 5, 2010

Isopachs

http://www.geo.utexas.edu/faculty/barker/kempter/rbtephra.html
Isopachs are lines that connect points of equal thickness in a geological formation. This map is of the Rio Blanco tephra deposit, created by a volcanic eruption in Costa Rica. It uses a color scale to make the data easier to visually interpret.

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