Faulting and Petroleum Accumulation at Mexia, Texas

Wallace E. Pratt, F. H. Lahee

AAPG Bulletin

... earth history. The Choctaw fault in southeastern Oklahoma (see Pl. II), is in close alignment with a possible continuation of the Balcones, but is of pre...

Resume of the Tertiary and Quaternary Stratigraphy of Ogden Valley, Utah1

Ben E. Lofgren

Utah Geological Association

... (1945, 1953) are of most interest. A continuation of these earlier studies is in progress by the author, and the full results are to be published...

Surface Fracture System of South Texas

Donald C. Barton

AAPG Bulletin

... to the surface in most of the area of the Reynosa Plain. Caliche is a soil phase characteristic of semi-arid areas; rain water percolating downward through...

Surface Fracture System of South Texas

Donald C. Barton

AAPG Special Volumes

... in most of the area of the Reynosa Plain. Caliche is a soil phase characteristic of semi-arid areas; rain water percolating downward through the soil...

Gulf Coast Formation Waters as Potential Source Fluids for Cap Rock-Hosted Sulfide Mineralization, Hockley Dome, Texas

William N. Agee, Jr.

GCAGS Transactions

.... The assay data for the "H" line of drill holes on the southern perimeter of the dome indicate an overall increase of Zn relative to Pb downward...

Petroleum System Observations and Interpretation in the Vicinity of the K2/K2-North, Genghis Khan, and Marco Polo Fields, Green Canyon, Gulf of Mexico

Van S. Mount, Arnold Rodriguez, Ahmed Chaouche, Steven G. Crews, Peter Gamwell, Patricia Montoya

GCAGS Transactions

... into the mini-basin, and 2) a concave downward geometry of the base of the salt canopy in the region underlying the Marco Polo mini-basin, interpreted...

Pebbly Phosphorites in Shale: A Key to Recognition of a Widespread Submarine Discontinuity in the Middle Devonian of New York

Gordon C. Baird

Journal of Sedimentary Research (SEPM)

... erosion and associated burrowing activity. It is believed that downward burrowing activity preceeding slow erosion of the same near surface muds...

Abstract: Migration of Hydrocarbons in Compacting Basins, by L. C. Bonham; #90961 (1978).

Search and Discovery.com

Thrust Fault on Barranquilla-Cartagena Highway, Colombia: GEOLOGICAL NOTES

Stuart K. Clark

AAPG Bulletin

... it occurs) passes downward into a "bedding plane shear" along the limb of the slight anticlinal flexure which presumably played a part in determining...

Some Hydrogeological Factors in the Distribution of Possible Zones of Oil-Gas Accumulation in the Central Part of the Siberian Platform

O. A. Baboshina

Petroleum Geology: A Digest of Russian Literature

... to increase upward along the section. Beginning with middle Moty time, the heavy brines of the basins began to move downward in the section...

Gas Production, Reserves, and the Importance of Gas Storage in the Appalachian Area: ABSTRACT

R. Douglas Rogers, Jr.

AAPG Bulletin

... downward trend despite sizable additions to storage facilities. Contrasting strongly are gas sales which have mounted swiftly and promise to continue...

2.3 Detached Sediments in Extensional Provinces: 2.3.1 Growth Faults: Reflections at Growth Faults, Southern Taiwan

S. S. L. Chang and Y. S. Pan

AAPG Special Volumes

... in thicknesses across the faults, and the stratigraphic displacements along the fault planes increase downward. After the Pliocene, the faults stopped...

Bakke Field, Andrews County, Texas: ABSTRACT

Charles A. Peek, Robert R. Harbison

AAPG Bulletin

... crude generally increases from the Wolfcamp downward with the exception that the Ellenburger has slightly lower gravity than the Devonian. Viscosity...

Model for Interstitial Sulfate Reduction and Methane Production: ABSTRACT

Bernie B. Bernard

AAPG Bulletin

... 1.5 and 2.0 m depth and that methane consequently increases. In the sulfate-reducing zone, ^dgr13C values of the methane decrease downward from -53...

Geometry of Wind River Thrust, Wyoming: ABSTRACT

Robert R. Berg

AAPG Bulletin

... to form a broadly curved, convex-downward surface. Seismic data also show strong local curvatures that produce a scalloped pattern in the leading edge...

Symmetry, Stratigraphy, and Petrography of Cyclic Cretaceous Deposits in San Juan Basin

Floyd F. Sabins, Jr.

AAPG Bulletin

... Shale: This is a landward extending tongue of the Mancos Shale that grades downward into the transgressive Hosta Sandstone and upward into the regressive...

Computer Simulation Models of Salt Domes

James C. Howard

AAPG Bulletin

... in crests and downward in sinks. The probability of displacement is specified by the height of the standardized curve (values range from zero to one...

Structural Restoration of Seismic and Geologic Sections in Extensional Regimes (1)

ALAN G. NUNNS

AAPG Bulletin

... on the reference horizon and passes stratigraphically downward through the present-day section. In general, paleoverticals are curved by folds and disjointed...

Upper Devonian-Tournaisian Facies and Oil Resources of the Russian Craton’s Eastern Margin

G. F. Ulmishek

CSPG Special Publications

... could be considered as a continuation of the Russian craton or as a microplate welded to the Russian craton in pre-Ordovician time. The continuation...

The Geology of the British Isles and the Adjacent Continental Shelf – The Offshore Post-Hercynian Basins

G. H. Rhys, D. A. Ardus

CSPG Special Publications

... subdivisions known to occur, are imperfectly known. In such cases, symbols are used to depict established ages. The continuation of the geological map...

Tectonic Wedging Associated with Emplacement of the Franciscan Assemblage, California Coast Ranges

C. M. Wentworth, M. C. Blake Jr., D. L. Jones, A. W. Walter, M. D. Zoback

Pacific Section SEPM

... that the Franciscan rocks extend to a depth of about 15 km here as well. Weak eastward continuation of the east-dipping reflections in the record...

Patterned Cones in Permo-triassic Redbeds of Wyoming and Adjacent Areas

Donald W. Boyd, H. Thomas Ore

Journal of Sedimentary Research (SEPM)

... patterns are not identical but, as in all the conical specimens, the branches converge downward toward the apex. The two patterned surfaces in figures...

Occurrence of Oil and Gas in West Virginia, Eastern Ohio, and Eastern Kentucky: Part IV. Relation of Petroleum Accumulation to Structure

J. E. Billingsley

AAPG Special Volumes

... the base of the Permian. In both, the yield is small. Major production occurs from the Conemaugh formation of Pennsylvanian age downward through...

Effects of Stratigraphic Heterogeneity on Permeability in Eolian Sandstone Sequence, Page Sandstone, Northern Arizona

Mark A. Chandler , Gary Kocurek , David J. Goggin , Larry W. Lake

AAPG Bulletin

... by the bounding surfaces such that downward-moving waters move laterally to seep out immediately above the surfaces rather than cross them. This seepage supports...

Geologic Synthesis and Genetic Models for Uranium Mineralization in the Morrison Formation, Grants Uranium Region, New Mexico

Christine E. Turner-Peterson, Neil S. Fishman

AAPG Special Volumes

... of the Brushy Basin represents the continuation of deposition of sediments similar to the Westwater Canyon along the southern margin of the basin during...