T: +44 20 7484 5361 / E: email@example.com
T: +44 20 7484 5359E: firstname.lastname@example.org
USA Oil and Gas Exploration
To view the PDFs you will need the free Adobe Acrobat reader. Click below to download this software.
A break in the succession of sedimentary deposition, commonly associated with erosion of underlying rock units. Often marked by rock surfaces which are non-parallel above and below the unconformity.