Click here to view the May 2025 Bulletin/Newsletter 

A 2D Forward Modeling of Gravity and Magnetic Data across Pilot Knob Volcano, Austin, Texas and Review of Previous Geological and Geophysical Research   Mustafa SaribudakEnvironmental Geophysics Associatesega@pdq.netAustin, Texas   SummaryI have become fascinated by the gravity and magnetic publication of Romberg and Barnes (1954) and the geologic work of Young et al. (1975 and 1982) and Barker and Young (1979) on Pilot Knob when I became aware of the Pilot Knob volcano during one of the Austin Geological Society field trips.

Review Geochemistry in Geological CO2 Sequestration: A Comprehensive ReviewJemal Worku Fentaw , Hossein Emadi * , Athar Hussain , Diana Maury Fernandez and Sugan Raj ThiyagarajanBob L.

Reverse drill holes: remarkable mistakes made by gastropod predators attacking Neogene bivalve prey Adiël A. Klompmaker1* and Gregory P.

Characterization of the natural fracture system of the Eagle Ford Formation (Val Verde County, Texas)Raphaël Gottardi and Shanna L. MasonABSTRACTThe Eagle Ford Formation has attracted considerable industry attention as a self-sourced unconventional shale reservoir. The productive interval in the Eagle Ford Formation is the transgressive systems tract, which contains parasequences whose lithologic content varies upward with increasing proportions of limestones.

Hydrocarbons in Deep-Sea Sediments following the 2010 Deepwater Horizon Blowout in the Northeast Gulf of MexicoIsabel C. Romero1, Patrick T. Schwing1 , Gregg R. Brooks2 , Rebekka A. Larson1,2, David W. Hastings2 , Greg Ellis1 , Ethan A. Goddard1 , David J. Hollander1 1 University of South Florida, College of Marine Science, St. Petersburg, Florida, 33701, United States of America, 2 Eckerd College, St.

OIL REFINERIES IN SAN ANTONIO AND BEXAR COUNTY     Thomas E. Ewing, Frontera Exploration Consultants     SUMMARY     At least 16 crude oil refineries have recorded production, although only one remains today, the TSAR on South Presa. Three sites today are Superfund sites, one is an active products terminal, and the others are vacant or covered by development. This paper inventories the known and possible sites, with my best estimate of location and dates that they were active. There were two waves of refinery construction.