Photo by Dr. Jay M. Gregg (angular unconformity between the Proterozoic and the overlying Paleozoic strata, Grand Canyon).
Photo by Dr. Jay M. Gregg (angular unconformity between the Proterozoic and the overlying Paleozoic strata, Grand Canyon).
Watney's core lab facility, KS
Saddle dolomite, Tri-State mine, Ottawa, OK
Fluid inclusions, calcite cement, Neck City, MO
Clinton Pkwy, Lawrence, KS
Oil & gas drill site, KS
Oil & gas drill site, KS