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The AAPG/Datapages Combined Publications Database

Showing 700 Results. Searched 187,778 documents.

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Structural Modification of Corals in Relation to Waves and Currents: Reef Biota

Richard R. Graus , John A. Chamberlain Jr. , Alexa M. Boker

AAPG Special Volumes

... a generally bimodal distribution of branch azimuths, with the modes corresponding approximately to the forward and backward directions of wave thrust (Fig. 11...


Anatomy of Hinterland Depositional Sequences: Upper Cretaceous Fluvial Strata, Neuquen Basin, West-Central Argentina

Leonardo Legarreta, Miguel Angel Uliana

Special Publications of SEPM

... backward stepping complexes finally capped by to 3 my episodicity and were iterated nine times suggesting a 1 forcing these stratal patterns produced...


Macaronichnus Segregatis: A Feeding Structure of Shallow Marine Polychaetes

H. Edward Clifton, Janet K. Thompson

Journal of Sedimentary Research (SEPM)

... sand. Mica flakes or heavy minerals generally are concentrated around the margin. The trails interpenetrate but do not branch, tend to be more or less...


Abstract: A Backward Glance at Forward Thinking: A Geologist Takes Stock

L. G. Weeks

GCAGS Transactions

...Abstract: A Backward Glance at Forward Thinking: A Geologist Takes Stock L. G. Weeks 1992 Vol. 42 (1992), Three forms of energy are most notable...


Oil Producing Structures as Related to Major Tectonic Features in Rocky Mountain Area: ABSTRACT

George R. Downs

AAPG Bulletin

... intrusives. It is sugg sted that by "working backward" from known major tectonic features that subsidiary structures may be found which will be proved...


Gulf Coast Magic: ABSTRACT

W. H. Roberts, III

AAPG Bulletin

... the entrapment of water-borne materials (especially hydrocarbons) in the coastal belt. Probably, the same magic can be projected backward (and forward...


ABSTRACT: Stratigraphic pattern of piggy-back basins within the area of the southern Barbados wedge

Huyghe, P., Griboulard, R., Faugeres, J.G., Gonthier, E. and Bobier, C.

Geological Society of Trinidad & Tobago

... the deformation front seaward propagation, out-off sequence reactivations occur backward. Deformation locally induces tilting of beds at a rate of about 1°-2...


Abstract: Wave Propagation Direction from Poynting Vector and its Application to RTM Angle Gathers; #90319 (2018)

Kwangjin Yoon, Young Seo Kim, Woodon Jeong

Search and

... of forward and backward propagating wavefields within some specific range of opening angle and azimuth. Several techniques like Poynting vector...


Machine-Learning Based Analytics Applied to Stimulation Performance in the Utica Shale: Case Study and Lessons Learned

Sebastien Perrier, Arnaud Delpeint, Zulibukaer Shawuti, Ashis Shrestha

Unconventional Resources Technology Conference (URTEC)

... were not overfitting. 3. Feature selection In this study, we used Sequential Backward Selection (SBS) to select the features. Principles (Figure 7...


Ireton Microfossil Zones of Central and Northeastern Alberta: Stratigraphy

D. M. Loranger

AAPG Special Volumes

... entire dorsal margin; valves equal. Surface with several strong transverse costae, lower four converge posteriorly to form large, backward-pointing...


Relay Ramp Deformation and Throw Patterns Applied to Mechanics-Based Interpretations of Normal Faults: The Hat Creek Fault as a Case Example; #120155 (2014)

Simon A. Kattenhorn and Matthew W. Blakeslee

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... tilts backward, against the direction of fault dip (Figure 1). In such cases, the change in elevation across the relay zone should be subtracted from...


Thrusting and Synorogenic Sedimentation in Central Utah: Part III. Middle Rocky Mountains

A. Villien , R. M. Kligfield

AAPG Special Volumes

..., a combination of structural, stratigraphic, and chronologic evidence suggests that shortening was accommodated by the development of a backward-breaking...


Projecting Cores Into the Time Dimension

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Systematic Catalogue: PART 2

V. Standish Mallory

AAPG Special Volumes

.... 17, fig. 1a, b (Canoas, West Branch Garza Creek, Ulatisian and Narizian, see Table 12).--Cushman and Parker, 1946, p. 94, pl. 22, fig. 7.-Smith, 1957...


Mineral Development on Public Lands1

William W. Porter, II

Earth Science Bulletin (WGA)

... it as a household word. Many of them still don’t know its meaning. Ecology is a descriptive branch of science concerned with the inter-relationship of organisms...


Abstract: Salt Kinematics, Depositional Systems, and Implications for Subsalt Hydrocarbon Exploration, Eugene Island and Ship Shoal South Additions, Offshore Louisiana

Kenneth J. Thies and David J. Hall

Houston Geological Society Bulletin

... the northeast to the southwest. The overlying strata are characterized by backward-rotated hanging walls overlying listric growth-faults. We propose...


Cycle Hierarchy in Middle and Upper Pennsylvanian Strata of the Mid-Continent: A Review: Abstract

W. L. Watney, E. C. Rankey, J. A. French, J. C. Youle, J. H. Doveton, G. C. Bohling, W. J. Guy

Tulsa Geological Society

... to formal stratigraphic groups, often representing major stratal changes including forward and backward stepping of the shelf margins. Corresponding...


Historical Implications of a Changing Earth-Moon Relationship: ABSTRACT

Richard J. Anderson

AAPG Bulletin

... of the earth-moon system. They have shown that earlier conclusions by Jeffreys and others may be in error. Extrapolation backward into geologic time...


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