1.2 Seismic Stratigraphy: 1.2.1 High Resolution Profiles: Erosional Unconformity, River Channel

W. L. Chapman

AAPG Special Volumes

... penetration was obtained at the objective depth. The increased frequency content is apparent and provides adequate resolution to map 30 ft (9 m) sands...

1.2 Seismic Stratigraphy: 1.2.1 High Resolution Profiles: Shallow Sand Channel, Coal Exploration, Illinois Basin

W. L. Chapman, C. J. Schafers

AAPG Special Volumes

..., before mining, in order to plan an efficient mine layout. The data was recorded using a sweep of 260-50 Hz, and as is certainly apparent, the line met...

Fault Detection Using Borehole Seismic Surveys

J. W. Munns and D. Mullen

AAPG Special Volumes

... with an apparent oil-water contact that is unusually high, resulting in an oil column of only 21 m. Figure 3 displays the interpretation of the open-hole logs...

Photogeomorphology and Oil Exploration in Rocky Mountain Region: ABSTRACT

Eugene M. Shearer, James E. Engel

AAPG Bulletin

... as to be overlooked by normal geologic mapping techniques may be apparent through the use of definitive photogeomorphic mapping. A detailed familiarity...

Geochemical Significance of Nickel Complex of Pheophytin: ABSTRACT

Bruce L. Baker, Gordon W. Hodgson

AAPG Bulletin

... sediments, given a reasonable supply of nickel in solution. It was apparent however that the complex is destroyed at sediment temperatures...

Geometry of Producing Mesaverde Sandstones, San Juan Basin: ABSTRACT

Charles T. Hollenshead, Roy L. Pritchard

AAPG Bulletin

... stabilized for relatively long periods of time are apparent in the form of "steps" that can be traced across the central part of the San Juan basin...

Stratigraphy of Lower Pennsylvanian Gas-Bearing Sediments of Eastern Bend Flexure: ABSTRACT

John G. Nikkel

AAPG Bulletin

..., it becomes apparent that there are three lithologic units of lower Pennsylvanian age which are of paramount economic importance. These units are the Comyn...

Field Study of Geological Well Logging at Vernalis: ABSTRACT

Robert O. Patterson

AAPG Bulletin

... in order to provide optimum well logging conditions appear well justified in the increased reliability of the gas curves. The apparent sensitivity to small...

ABSTRACT: Northward Continental Dispersion on Opposite Flanks of the North Pacific, by George W. Moore; #90097 (1990).

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Heavy Minerals of Pre-Morrison Jurassic Rocks, Lucero Uplift, Northwestern New Mexico: ABSTRACT

Arthur Mirsky, Samuel B. Treves

AAPG Bulletin

... heavy minerals, an estimated per cent distribution is not reliable and does not justify the apparent saving in time. End_of_Article - Last_Page 273...

Quantitative Study of Athleta Petrosa Stock in Eocene of Texas: ABSTRACT

Peter U. Rodda, John W. Dietrich, W. L. Fisher

AAPG Bulletin

... and divergent subspecies of A. petrosa are apparent. Within the successional subspecies, there is a rapid change in measured and significant computed values...

Submicronic Structure of Fossil Coccolithophorids: ABSTRACT

K. M. Towe, W. W. Hay

AAPG Bulletin

... across. Broken edges of pentaliths of Braarudosphaera show an apparent laminar structure; however, no traces of fine structure have yet been observed...

Palynology and Determination of Ancient Environments: ABSTRACT

L. R. Wilson

AAPG Bulletin

... stages can indicate environmental conditions not otherwise apparent. Pleistocene paleoecological studies give clues to techniques that may be used...

ABSTRACT: Distribution of Cabot Head Fm. Sandstones of the Lower Silurian Medina Group, Portion of Northwest Pennsylvania, by Samuel T. Pees; #90998 (1990).

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ABSTRACT: U.S. Gulf Coast Field Experiences with Thin-Bed Well Log Analysis, by Walter H. Fertl; #90999 (1990).

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ABSTRACT: A Three-Dimensional Correction Factor Equation for Deviated Wells, by Daniel J. Tearpock, Harvey Pousson; #90999 (1990).

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ABSTRACT: Analysis of Horizontal Bakken Development, by Jim Artindale; #91002 (1990).

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ABSTRACT: Breached Madison (Mississippian) Unconformity Trap, Northwestern Colorado, by John Dolson, F. Blume; #91002 (1990).

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Calcite Aragonite Problem: ABSTRACT

W. S. Fyfe

AAPG Bulletin

... is essentially zero order, but a combination of structure and habit sensitivity may lead to other apparent rate laws. Nucleation normally takes place...

Chapter 16: A 3-D Case History in the Horseshoe Atoll Area of Scurry County, Texas

Stephen C. Jumper and Howel W. Pardue

AAPG Special Volumes

... 2-D seismic data. Through the example shown here, it becomes apparent that pinnacle reef objectives can be located with much-improved confidence using...

Abstract: Submarine Geology Framework of the Strait of Gibraltar, by M. M'Rah; #91004 (1991)

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Experiments in Sampling Sedimentary Rocks: ABSTRACT

John C. Griffiths

AAPG Bulletin

... of precision. For example, if a rock (population) is "massive" then no structure is apparent and various sampling patterns will yield equivalently...

Abstract: Reef Development and Extinction in Response to Sealevel Change in the Devonian of the Canning Basin, by P. E. Playford; #91004 (1991)

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Abstract: Application of Complex Attribute Analysis to the Interpretation of Appalachian Basin Seismic Data, by R. W. Brown and P. H. Lowry; #91005 (1991).

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Offshore Oregon: Observations on Regional Geology: ABSTRACT

John V. Byrne, Neil J. Maloney

AAPG Bulletin

... the topography of the shelf in this area. The apparent offlap relationship of late Eocene to middle Miocene marine sedimentary rocks along the shore...