Click to minimize content

Welcome to the new Datapages Archives

Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.

AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.

Click to maximize content

Welcome to the new Datapages Archives

Search Results   > New Search > Revise Search

The AAPG/Datapages Combined Publications Database

Showing 3,219 Results. Searched 200,621 documents.

< Previous   21   22   23   24   25   Next >

Ascending

Regional Significance and Interpretation of a Coral-Stromatoporoid Carbonate Buildup Succession, Jefferson Formation (Upper Devonian), East-Central Idaho

P. E. Isaacson, S. L. Dorobek

Dallas Geological Society

... (5-10 cm diameter), spherical to hemispherical stromatoporoids (Biofacies A; Fig. 4) which were initiated above the basal hardground horizon. The basal...

1988

High-resolution seismic detection of shallow natural gas beneath Hutchinson, Kansas

Susan E. Nissen, W. Lynn Watney, Jianghai Xia

Environmental Geosciences (DEG)

... to vent the gas indicate that the gas-bearing interval corresponds to thin dolomite layers, which have higher P-wave velocities than the surrounding...

2004

Biostratigraphy and Carbonate Petrology of a Devonian Biostrome, Southeastern California

David H. Suek, S. Robert Bereskin

Rocky Mountain Association of Geologists

... probable wave abrasion, intense bottom scour or subaerial erosion. In more than one location, finely laminated micrite was directly deposited over...

1982

Regional Significance and Interpretation of a Coral-Stromatoporoid Carbonate Buildup Succession, Jefferson Formation (Upper Devonian), East-Central Idaho

P. E. Isaacson, S. L. Dorobek

CSPG Special Publications

... (5-10 cm diameter), spherical to hemispherical stromatoporoids (Biofacies A; Fig. 4) which were initiated above the basal hardground horizon. The basal...

1988

High-resolution Measurements of Elasticity at Core Scale. Improving Mechanical Earth Model Calibration at the Vaca Muerta Formation.

Anton Padin, Gilles Pijaudier-Cabot, Alain Lejay, Hamid Pourpak, Jean-Philippe Mathieu, Atef Onaisi, Gregory Boitnott, Laurent Louis

Unconventional Resources Technology Conference (URTEC)

... of ultrasonic surface wave velocities (P and S) at the milimetric scale, then calibrated the results with discrete triaxial tests performed on plugs...

2019

Petrography of a Carbonate Transgressive-Regressive Sequence: The Bird Spring Group (Pennsylvanian), Arrow Canyon Range, Clark County, Nevada

Christopher P. Heath, David N. Lumsden, Albert V. Carozzi

Journal of Sedimentary Research (SEPM)

... in microfacies 1, 1a, and 2, 2a. They appear as spherical to ovoidal bodies formed of dark gray to black microto cryptocrystalline calcite devoid of internal...

1967

SPINICAUDATANS FROM THE UPPER JURASSIC OF ARGENTINA AND THEIR PALEOENVIRONMENTS

MATEO D. MONFERRAN, NORA G. CABALERI, OSCAR F. GALLEGO, CLAUDIA ARMELLA, MARIANA CAGNONI

PALAIOS

... or microcrystalline silica. We also found spherical structures (15À25 lm in diameter) consisting of iron minerals and organic matter scattered throughout the matrix...

2016

Distinguishing Depositional Environments in Shallow-Water Mixed, Bio-Siliciclastic Deposits on the Basis of the Degree of Heterolithic Segregation (Gelasian, Southern Italy)

Domenico Chiarella, Sergio G. Longhitano

Journal of Sedimentary Research (SEPM)

..., Fielding, C.R., and Jones, B.G., 2008, Ichnological and sedimentological signatures of mixed wave- and storm-dominated deltaic deposits: examples...

2012

Chapter 11: Gravity and Heat Flow Analysis of the Oceanic Subduction Zone in the Eastern Caribbean

Antonio Ughi

AAPG Special Volumes

...., 1956). New models combining seismic refraction and gravity data were proposed later by Talwani et al. (1959). They used a P-wave velocity and density...

2021

Facies Analysis of the Redwater Reef Complex, Alberta, Canada

John Edward-Klovan

CSPG Bulletin

... framework above the sea bottom and potentially capable of growth into turbulent surface waters, to which they would be wave resistant" (Lowenstam, 1950...

1964

Active Ooid Growth Driven By Sediment Transport in a High-Energy Shoal, Little Ambergris Cay, Turks and Caicos Islands

Elizabeth J. Trower, Marjorie D. Cantine, Maya L. Gomes, John P. Grotzinger, Andrew H. Knoll, Michael P. Lamb, Usha Lingappa, Shane S. O'Reilly, Theodore M. Present, Nathan Stein, Justin V. Strauss, Woodward W. Fischer

Journal of Sedimentary Research (SEPM)

... and Dravis (2008) concluded that tidal currents had little influence on sediment transport on the Ambergris shoal relative to wave-generated currents...

2018

Pennsylvanian Glacioeustasy Recorded in a Carbonate Ramp Succession, Ancestral Rocky Mountains, New Mexico

Thomas L. Wiberg, Gary A. Smith

CSPG Special Publications

... in diameter between 1 and 5 cm, are irregular in outline and exhibit elongate or spherical forms. Mottle boundaries cross-cut allochems, indicating...

1994

Influence of Host-Rock Texture on the Morphology of Carbonate Concretions in a Meteoric Diagenetic Environment

William Cavazza, Roberto Braga, Eduard G. Reinhardt, Claudia Zanotti

Journal of Sedimentary Research (SEPM)

... in the surf zone, where shoaling, wave-driven currents typically generate migratory large three-dimensional ripples or dunes. At the base of this facies...

2009

Modeling Methane-hydrate Formation in Marine Sediments

Lili Zheng, Hui Zhang, Mingyu Zhang, Prasad Kerkar, Devinder Mahajan

AAPG Special Volumes

..., A. Sakai, and T. Collett, 1999, Elastic wave velocity in marine sediments with gas hydrates: Effective medium cooling: Geophysical Research Letters...

2009

Genesis and Depositional History of Spraberry Formation, Midland Basin, Texas

George T. Schmitt

AAPG Bulletin

..., pyritiferous, phospatic, siliceous shale. Large, light gray, spherical mass in left center, secondary silica (chalcedony). Large, black mass in right...

1954

Concave Sand Grains in Eolian Environments: Evidence, Mechanism, and Modeling

B. T. Werner , E. Merino

Journal of Sedimentary Research (SEPM)

... the natural tendency for grains to become spherical in an energetic, collisional environment is circumvented. Based on the observations above, we believe...

1997

Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues

Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp

AAPG Bulletin

... topography part of the mesa. (E) Vertical P-wave geophone before installation. (F) The seismic source: a 500-kg accelerated weight drop (pointed...

2022

Facies Associations of Freshwater Carbonates in the Eocene-Oligocene Chadron Formation, White River Group, Nebraska and South Dakota, USA

James E. Evans

Utah Geological Association

... (wave-reworked) limestone, and charophyte-rich, massive limestone. These field designations are based upon combinations of seven carbonate...

1998

Anatomy of Stratigraphic Trap, Bisti Field, New Mexico

Floyd F. Sabins, Jr.

AAPG Bulletin

... disconformity, after which the sandy mud of the Low SP interval was deposited. Wave action winnowed the mud from this sediment and concentrated...

1963

Magnetic Anomalies and Crustal Structure in Eastern Gulf of Mexico

D. I. Gough

AAPG Bulletin

...., S. Hendricks, W. E. Daniels, and D. C. Jensen, 1964, Computation of the main geomagnetic field from spherical harmonic expansions: N.A.S.A. Pub. TMX...

1967

Holocene Shallow-Water Carbonate and Evaporite Sediments of Khor al Bazam, Abu Dhabi, Southwest Persian Gulf

Christopher G. St. C. Kendall , Sir Patrick A. D'e. Skipwith

AAPG Bulletin

... facies, (5) molluscan sand facies, (6) algal mat facies, and (7) evaporite facies. Nonskeletal calcium carbonate sediment types are related to wave...

1969

Modeling of Sandstone Ngrayong Formation Using Digital Image Analysis

Annisa Rachmi Trahwiwit Widijana, Fourier Dzar Eljabbar, Almira Anissofira, Fatkhan, Handoyo

Indonesian Petroleum Association

... to see the effect of various conditions of the samples. The models are constructed based on their grain shape: spherical, ellipsoidal, and polygon...

2015

Calculation of Stratigraphic Thickness in Parallel Folds: GEOLOGICAL NOTES

John B. Mertie, Jr.

AAPG Bulletin

... spherical, normals to these surfaces at the two station points would intersect in a point. For non-spherical parallel surfaces, however, normals drawn...

1944

Principles of carbonate production

Wolfgang Schlager

Special Publications of SEPM

... substances and sunlight, and origin, they can form wave-resistant structures and they are c.2 controlled precipitates by heterotrophic organisms easily...

2005

Origin of Caballos and Arkansas Novaculite Formations

David E. Park, Jr. , Carey Croneis

AAPG Bulletin

... from organically precipitated silica particles in the 1-10 µ size range. These particles accumulated below wave base where little detrital material...

1969

< Previous   21   22   23   24   25   Next >