Drilling predation in mollusks from the early and middle Miocene of the Central Paratethys

Jennifer A. Sawyer, Martin Zuschin

PALAIOS

... exposed, and the Badenian, where more open marine conditions were dominant. Finally, our results support the hypothesis that predation intensities...

Climate and Bioproductivity Control on Carbonate Turbidite Sedimentation (Paleocene to Earliest Eocene, Gulf of Biscay, Zumaia, Spain)

Piotr Gawenda , Wilfried Winkler , Birger Schmitz , Thierry Adatte

Journal of Sedimentary Research (SEPM)

..., to discern the factors controlling turbidite deposition. The pelagic beds are coccolithic mudstones with mainly planktic foraminifera. The sources...

A Big Fan of Signals? Exploring Autogenic and Allogenic Process and Product In a Numerical Stratigraphic Forward Model of Submarine-Fan Development

Peter M. Burgess, Isabella Masiero, Stephan C. Toby, Robert A. Duller

Journal of Sedimentary Research (SEPM)

..., resulting flow types and frequencies of subaqueous sediment density flows in different settings: Marine Geology, v. 352, p. 155–182. Teles, V., Chauveau, B...

Abstract: Re-Assessing Reliability of Meter-Scale Cyclic Carbonates as Recorders of Orbital Events: Middle Cambrian Highland Peak Formation, Southern Nevada, by R. A. Howley, M. N. Rees, and E. A. Jacobson; #90904 (2001)

Search and Discovery.com

ABSTRACT: Numeric Simulation of Frequency-Dependent Seismic Response and Hydrocarbon Detection, a Turbidite Reservoir in JZ Area, the Bohai Sea, China, by Chen, Xuehua; He, Zhenhua; He, Xilei; Huang, Deji; #90142 (2012)

Search and Discovery.com

Mechanical Analysis and Heavy Minerals, Morrison and Cloverly Formations, Southern Big Horn Mountains, Wyoming

Arthur Mirsky

Journal of Sedimentary Research (SEPM)

... by the marine Sundance Formation and overlain by the marine Thermopolis Shale is divisible into four mappable units. Unit 1, at the bottom, is a variegated...

Integrated Biostratigraphic Zonation for the Malay Basin

Azmi Mohd Yakzan, Awalludin Harun, Bahari Md Nasib, Robert J. Morley

Geological Society of Malaysia (GSM)

... Asterorotalia spp. andPseudorotalia spp are dominant. The upper, rotalid-dominated unit reflects a broad marine transgression across the basin (TR14.2...

Seismic Static Corrections, Don W. Steeples and Gregory S. Baker, Search and Discovery Article #40047 (2002)

Search and Discovery.com

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

... ultrasound transmitters and receivers, 2-D and 3-D seismic surveys can simulate most aspects of both land and marine seismic. Physical models can...

Intricate Seismic Time-Frequency Analysis in Kujung Patch Reef, Northeast Java Basin

Haryono Haryanto, Erik Yogapurana, Aditya Kusuma

Indonesian Petroleum Association

... to identify the reservoir response caused by gas and water zones. seismic trace can produce various time-frequencies ranging from low to high frequency...

Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)

N. Ackerley

Search and Discovery.com

...ff of the spectra at high frequencies. It is important to note that this model is particular to the strike-slip mechanism which is dominant in tecton...

Vertical and Lateral Seismic Resolution and Attenuation: Part 7. Geophysical Methods

R. E. Sheriff

AAPG Special Volumes

... shape. Thus, shallow reflections often have dominant frequencies around 60 Hz, whereas 15 to 20 Hz is usually the dominant frequency for deep...

Three-Dimensional Distribution of Lithofacies, Bounding Surfaces, Porosity, and Permeability in a Fluvial Sandstone--Gypsy Sandstone of Northern Oklahoma

J. D. Doyle , M. L. Sweet

AAPG Bulletin

... sandstone is an informal name for the lower part of the Vamoosa Formation that includes the Gypsy and approximately 11 m (35 ft) of overlying marine...

Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015)

Kristof De Meersman

Search and Discovery.com

... and continuously emitting mini-vibrator sources. The sources and receivers were installed at typical depths of 80 m and 12 m respectively...

Seismic Exploration for Stratigraphic Traps: Geophysical Exploration Methods

Paul L. Lyons, M. B. Dobrin

AAPG Special Volumes

... this chart when just the dominant visual frequencies are examined. Figure 6 is a similar chart, based on a first-power attenuation law (linear...

Sediment Dispersal Pattern Off an Eroding Delta on the West Coast of Taiwan

James T. Liu, Ray T. Hsu, Jeong-Shang Huang, Shenn-Yu Chao

Special Publications of SEPM

... direction is the prevailing means of sediment reworking, its degree of influence is less than those of the sources and the dominant longshore sediment...

Structural Development at the West-Central Margin of the Malay Basin

Liew Kit Kong

Geological Society of Malaysia (GSM)

... that is straddled by a number of half grabens. The oldest drilled Tertiary sediments onlap onto this margin and comprise ?Oligocene non-marine sands...

Deposition of Fourth-Order, Post-Rift Sequences and Sequence Sets, Lower Cretaceous (Lower Valanginian to Lower Aptian), Pletmos Basin, Southern Offshore, South Africa: Chapter 3: Recent Applications of Siliciclastic Sequence Stratigraphy

G. J. Brink, J. H. G. Keenan

AAPG Special Volumes

...-------- An interplay among eustatic cycles of at least three frequencies, low tectonic-subsidence rates, and high sediment-supply rates is inferred...

Depositional History of Carboniferous (Middle Visean) Limestones from Bristol and Parts of South Wales

W. C. MacQuown, Jr. , T. W. Bloxam

AAPG Bulletin

... be subdivided into informal lithologic units with dominant microfacies that reflect both minor cyclic deposition and the effect of terrigenous influx toward...

Magnetotelluric Investigation of the Pleistocene Nueces River Incised Valley, Mustang Island, Texas

Egon T. Weber, Richard Hay, James R. Garrison, Jr.

GCAGS Transactions

... a measurement of the electrical impedance tensor of a subsurface volume. Higher frequencies represent a shallower integrated volume. Thus, by measuring...

Grain-Size Components As Markers of Origin and Depositional Processes In the Coastal Zone of the Golfe Du Lion (Mediterranean Sea, France)

J. Paul Barusseau, Raphaël Braud

Journal of Sedimentary Research (SEPM)

..., between those two morpho-bathymetric levels, seaward fining is associated with reorganization of size frequencies. On the outer bar, a dominant negative...

Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5

John H. Doveton

AAPG Special Volumes

... clastic sources to the northwest and marine carbonate transgressions from the southeast. Three alternative periodograms of the gamma-ray log (Figure...

The Radiation and Dispersal of Agnatha in Early Devonian Time

D. L. Dineley

CSPG Special Publications

... in shallow marine waters the agnatha were equatorially widespread. They entered brackish and freshwater environments in late Silurian and Devonian times...

Applications of Shallow High-Resolution Seismic Reflection to Environmental Problems

Richard D. Miller, William E. Doll, Carlene Merey, William E. Black

Environmental Geosciences (DEG)

...-processing flow to enhance high frequencies and very early (time) arrivals. Reflection surveys designed to image targets deeper than 300 m generally...

Comparison of Western Facies of Thermopolis, Muddy, and Mowry Formations with Other Areas of the Early Cretaceous Seaway, Northern Rocky Mountains and Great Plains Region: ABSTRACT

Susan Vuke

AAPG Bulletin

... of southwestern Montana). Eastward progradation of marginal marine environments continued on the western side of the seaway despite the sea's second advance...