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The AAPG/Datapages Combined Publications Database

Showing 26,343 Results. Searched 200,626 documents.

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Geologic Mapping and Studies of Modern Geologic Processes of Continental Slope Off New Jersey--Observations by Midrange Sidescan Sonar and Research Submersible: ABSTRACT

James M. Robb, John C. Hampson, Jr., John R. Kirby

AAPG Bulletin

... details of gullied canyon walls, differential erosion of truncated strata, several small slope failures, and apparent amphitheatric headward erosion...

1981

Porosity Reduction Through Ductile Grain Deformation: An Experimental Assessment: ABSTRACT

D. Joe Benson

AAPG Bulletin

... apparent, however, between porosity and ductile grain content in samples compressed at the same pressure. Porosity values of medium-grained sands...

1981

Land Loss in Mississippi River Deltaic Plain: ABSTRACT

Sherwood M. Gagliano, Klaus J. Meyerarendt, Karen M. Wicker

AAPG Bulletin

.... The findings have great significance to fish and wildlife resources, flood-protection planning, and land ownership. Apparent causes of the high rates...

1981

Deep Tuscaloosa Gas Trend of South Louisiana: ABSTRACT

L. W. Funkhouser, F. X. Bland, C. C. Humphris, Jr.

AAPG Bulletin

... exploratory wells have been completed along the Tuscaloosa trend, resulting in the discovery of 19 fields. Several apparent discoveries are currently being...

1981

Principles of Dipmeter Interpretation in Fluvial Systems: ABSTRACT

Dwight S. Kranz

AAPG Bulletin

... thicker than the bedsets of the longitudinal-bar facies. The thinly stacked nature of the longitudinal-bar composite bedsets produce an apparent random dip...

1982

Analysis of Upper Cretaceous Trace-Fossil Assemblages, U.S. Western Interior: ABSTRACT

Allen W. Archer, Donald E. Hattin

AAPG Bulletin

... in these Upper Cretaceous trace-fossil assemblages are more apparent than real. At present, taxonomic problems relating to trace fossils hinder...

1982

Facies, Fabrics, and Porosity, Duperow Formation (Upper Devonian), Billings Nose Area, Williston Basin, North Dakota: ABSTRACT

Randolph B. Burke

AAPG Bulletin

... and mollusks are the principal allochems. Bioturbation has destroyed most laminations. Apparent selective replacement of intraclasts constitute...

1982

Basin to Platform Transition, Middle Cretaceous, Mexico: ABSTRACT

Paul Enos

AAPG Bulletin

...°, locally near vertical) and relief was great (to 1,000 m). Although some faults may be present, the apparent thickness of the section (>1,500 m...

1982

Niton Field: An Estuarine Sandstone Reservoir: ABSTRACT

J. C. Horne, M. O. Hayes, P. J. Reinhart, C. H. Ruby

AAPG Bulletin

... the depositional setting of the Niton area with modern analogs along Holocene transgressive coastlines, it is apparent that similar stratigraphically...

1982

Miocene Paleo-Oceanography and Paleo-Productivity: ABSTRACT

Gerta Keller

AAPG Bulletin

... are apparent leading to the establishment of present-day high productivity regions. (1) Circum-equatorial flow persisted to about 18 Ma with calcareous...

1982

Rb-Sr Dating of Illite Diagenesis: ABSTRACT

John P. Morton, Leon E. Long

AAPG Bulletin

...Rb-Sr Dating of Illite Diagenesis: ABSTRACT John P. Morton, Leon E. Long 1982 610 610 66 5. (May) In the Woodford Shale (Upper Devonian), apparent Rb...

1982

Geologic Map of Antarctica: ABSTRACT

Campbell Craddock

AAPG Bulletin

... are also present in the Transantarctic Mountains. Archean rocks in the charnockite-enderbite terrane along the Indian Ocean coast have yielded apparent...

1982

High Temperature Geothermal Well-Logging Techniques in Japan: ABSTRACT

Toshinobu Itoh

AAPG Bulletin

... and their maximum operating time is 30 hours at 450°C. They can withstand pressures of 500 kg/cm2. The success of this system is apparent from the summary...

1982

Microtremor Studies in Roosevelt and Beowawe Geothermal Areas: ABSTRACT

Alfred L. Liaw, Wayne Suyenaga

AAPG Bulletin

... with extremely high apparent velocities. End_of_Article - Last_Page 975...

1982

Distribution of Manganese Nodules in Pacific Ocean: ABSTRACT

D. Z. Piper, T. R. Swint, V. E. McKelvey, L. Sullivan

AAPG Bulletin

... than 1% Co, and (4) greater than 35% Mn. No simple relation between the distribution of these groups and the degree of coverage is apparent...

1982

Prediction of Geologic Anomalies in Advance of Mining: Three Case Studies: ABSTRACT

Stephen K. Danner, W. John Nelson

AAPG Bulletin

... method. Mine A, a small drift mine in the Herrin (No. 6) Coal, was opened with very little test drilling. It soon became apparent that the single set...

1982

Could Middle Ordovician Carbonate Shelf Depositional Patterns in Appalachian Orogene Indicate Collision Along an Irregular Continental Margin?: ABSTRACT

Gary G. Lash

AAPG Bulletin

... and within Middle Ordovician carbonate units, (2) apparent maximum extent of unconformities along tectonic promontories, and (3) relatively rapid subsidence...

1982

Use of High-Altitude Color Infrared Imagery in Structural Mapping of Monument Spring Area, West-Central Marathon Uplift, Brewster County, Texas: ABSTRACT

Walter D. Tomlinson

AAPG Bulletin

... with the Kelsh Plotter) is perhaps not readily apparent in the field. The interpretations derived from this information are outlined in the detailed mapping...

1982

Al-Hydroxy Smectite: An Intermediate Between Smectite and Mixed-Layer Illite/Smectite Formed in Burial Diagenesis of Pelitic Sediments?: ABSTRACT

Herman E. Roberson, Bruce Sass

AAPG Bulletin

... temperature and length of run. We suggest that this apparent decrease in total CEC as well as the difference of K ± selectivity is caused by the inability...

1982

Effect of Bulk Composition on Clay Mineralogy: Examples from Jurassic Sandstones of North Sea: ABSTRACT

B. Velde

AAPG Bulletin

... in pressure-temperature during the recrystallization of the minerals. The extent to which the minerals have recrystallized and the apparent mobility...

1982

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