The Bureau of Economic Geology The University of Texas at Austin Jackson School of Geosciences
Ursula  Hammes
Ursula Hammes Research Associate Bureau of Economic Geology
The University of Texas at Austin
University Station, Box X
Austin, Texas 78713-8924
E-mail: ursula.hammes@beg.utexas.edu Telephone: 512-471-1891 Fax: 512-471-0140
Professional Summary
(Word Format - Click to download)
Research Interests
Sequence stratigraphy

Mudrock analyses

Carbonate and clastic sedimentology

Seismic and wire-log interpretation.
Education
Ph.D., Geology, University of Colorado, 1992

Diploma (M.S.), Geology, Geologisches/Paläontologisches Institut, Universität Erlangen, Germany, 1987
Professional History
Exploration Geologist, Anadarko Petroleum Corporation, Houston, Texas, 1997-2001

Postdoctoral Research Fellow, Bureau of Economic Geology, The University of Texas at Austin, 1995-1997

Environmental Scientist/Geologist, IT Corporation, Houston, Texas, 1994-1995

Geologic Consultant, Marathon Oil Company, PTC, Littleton, Colorado, 1992-1994
Selected Publications
Hammes, Ursula, Eastwood, Ray, Rowe, H. D., and Reed, R. M., 2009, Addressing conventional parameters in unconventional shale-gas systems: depositional environment, petrography, geochemistry, and petrophysics of the Haynesville Shale, in Carr, T., D'Agostino, T., Ambrose, W., Pashin, J., and Rosen, N. C., eds. Unconventional energy resources: making the unconventional conventional: 29th Annual GCSSEPM Foundation Bob F. Perkins Research Conference, December 6–8, Houston, p. 181–202.

Hammes, Ursula, 2009, Sequence stratigraphy and core facies of the Haynesville Mudstone, East Texas: Gulf Coast Association of Geological Societies Transactions, v. 59, p. 321-324.

Hammes, Ursula, Loucks, R. G., Brown, L. F., Jr., Treviño, R. H., Montoya, Patricia, and Remington, R. L., 2007, Reservoir geology, structural architecture, and sequence stratigraphy of a growth-faulted subbasin: Oligocene Lower Frio Formation, Red Fish Bay Area, South Texas Gulf Coast: The University of Texas at Austin, Bureau of Economic Geology Report of Investigations No. 272, 28 p. + plate.

Zeng, Hongliu, Loucks, R. G., and Hammes, Ursula, 2008, Linear amplitude patterns in Corpus Christi Bay Frio Subbasin, south Texas: interpretive pitfalls or depositional features?: Geophysics, v. 73, no. 5, p. A27–A31.

Brown, L. F., Jr., Loucks, R. G., Treviño, R. H., and Hammes, Ursula, 2006, Understanding growth-faulted, intraslope subbasins by applying sequence-stratigraphic principles: examples from the south Texas Oligocene Frio Formation: Reply: AAPG Bulletin, v. 90, no. 5, p. 799–805.

Brown, L. F., Jr., Loucks, R. G., Treviño, R. H., and Hammes, Ursula, 2004, Understanding growth-faulted, intraslope subbasins by applying sequence-stratigraphic principles: examples from the south Texas Oligocene Frio Formation: AAPG Bulletin, v. 88, no. 1, p. 1501–1522.

Budd, D. A., Hammes, Ursula, and Ward, W. B., 2000, Cathodoluminescence in calcite cements: new insights on Pb and Zn sensitizing, Mn activation, and Fe quenching at low trace-element concentrations: Journal of Sedimentary Research, v. 70, no. 1, p. 217–226.

Hammes, Ursula, 1997, Electrical imaging catalog: microresistivity images and core photos from fractured, karsted, and brecciated carbonate rocks: The University of Texas at Austin, Bureau of Economic Geology Geological Circular 97-2, 40 p.

Hammes, Ursula, 1995, Initiation and development of small-scale sponge mud mounds, Upper Jurassic (Oxfordian), Southern Franconian Alb, Germany, in Monty, C.L.V., Bosence, D., Bridges, P., and Pratt, B., eds., Mud-mounds: origin and evolution: International Association of Sedimentologists, Special Publication, v. 23, p. 335–357.

Budd, D. A., Hammes, Ursula, and Vacher, H. L., 1993, Calcite cementation in the Upper Floridan aquifer: a modern example for confined-aquifer cementation models?: Geology, v. 21, p. 33–36.
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