AbstractsEarth & Environmental Science

"It is generally accepted that there is lack of parallelism between surface and subsurface beds and between the productive sands in the Beggs District, a condition similar to that which obtains in the Cushing Field. The explanation of this condition as given on page 31, Bulletin 658, U.S. Geological Survey, is: 1) The difference in resistance to compression of the hard and soft beds of which the formations of the Cushing Field are composed; 2) The lenticular form of the Bartlesville sand (the equivalent of the Glen; Gas of Morris pool); 3) One or more unconformities between surface beds and the Bartlesville sand; 4) Folding during deposition; 5) Cross folding" – Pages 14-15.