Data from conventional two- and three-dimensional seismic surveys and wells were used to analyze the morphology of salt structures and to determine the history of salt emplacement in a 1,500-mi2 (3,885-km2) region of the continental slope, northeast Green Canyon Area.

This cross section set traverses four Cenozoic depositional sub-provinces: the Rio Grande Embayment, San Marcos Arch, Houston Embayment, and Sabine Arch.

ow-permeability ("tight") reservoir sandstones of the lower Missourian Cleveland formation produced more than 435 billion cubic feet (Bcf) of natural gas through December 1990, mostly from Ochiltree and Lipscomb Counties in the northeastern Texas Panhandle.