Lens (geology)
In geology a lens is a body of ore or rock or a deposit that is thick in the middle and thin at the edges, resembling a convex lens in cross-section. Adjective: "lenticular".
A lens can also refer to an irregular shaped formation consisting of a porous, permeable sedimentary deposit surrounded by impermeable rock.
This article is issued from Wikipedia - version of the Wednesday, October 07, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.