Austin Chalk Core

Image shows a rock core in a trough

Detailed Description

Bedding features in the core from the USGS Gulf Coast #4 Bonham borehole, in the Eagle Ford Group mudstones from a depth of about 401 feet, Fannin County, Texas. The Eagle Ford Group lies underneath the Austin Chalk and serves as the source rock for much of the Austin Chalk's petroleum.


Image Dimensions: 3627 x 5440

Date Taken:

Location Taken: Bonham, TX, US