The Enigma of Missing Jurassic and Cretaceous Rocks - Episodic Deposition and Unroofing of the UK and Adjacent Continental Shelves during the Mesozoic and Tertiary; #30557 (2018)

S.D. Harker, D.R.D. Boote, L.A. Riley, P. Green, J.R. Underhill

Search and Discovery.com

...t/unroofing Well 2 Unconformity at break in sonic velocity profile Well 1 complete section continuous increase in sonic velocity with depth Dr John ...

Structural framework of Southeastern Malay Basin; Khalid Ngah; Search and Discovery Article #10009(2000)

Search and Discovery.com

Reconnaissance Geology of the Chukchi Sea as Determined by Acoustic and Magnetic Profiling

Arthur Grantz, S. C. Wolf, Lloyd Breslau, T. C. Johnson, W. F. Hanna

Pacific Section of AAPG

... at half-second “round-trip” time intervals. The velocity-depth curve we have used for these rocks equates one round-trip second with about 1 km...

Pitfalls in Seismic Interpretation

Paul M. Tucker, Howard J. Yorston

Pacific Section of AAPG

... with velocity occur because seismic data are presented in travel time rather than depth. Pitfalls associated with geometry occur because reflections from...

Two-dimensional seismic refraction tomography of a buried bedrock valley at Hallsands beach, Devon, United Kingdom

Eric B. Avalos, David H. Malone, Eric W. Peterson, William P. Anderson, and Roland W. Gehrels

Environmental Geosciences (DEG)

.../s (6900-ft/s) velocity contour, which shows bedrock depth at approximately −1-m (3-ft) elevation. This correlates with bedrock located in core 8...

Geometry, Flow, and Sediment Transport of Alluvial Deposits Induced By Topographically Driven Flow Expansions

Luca Sittoni, Chris Paola, Vaughan Voller

Journal of Sedimentary Research (SEPM)

..., 1995, Velocity-depth coupling in shallow-water flows: Journal of Hydraulic Engineering, v. 121, p. 717– 724. Flow expansions have long been recognized...

Laboratory Study of the Distribution of Grain Sizes in Cross Bedded Deposits

Alan V. Jopling

Special Publications of SEPM

... velocity the flow upstream of the and suspended sediment concentration were determined for The velocity depth were plotted for several basins...

Deltaic Depositional Processes in a Glacier-Fed Lake: A Model for the Fluvial/Lacustrine Interface

Jim Bogen

Special Publications of SEPM

... in velocity with depth. No distinct plunge point was observed at the surface. At intermediate discharges, the velocity field seems to be of interflow...

The Influence of Transport Fluctuations on Spatially Averaged Topography on a Sandy, Braided Fluvial Fan

Chris Paola, Gary Parker, David C. Mohrig, Kelin X. Whipple

Special Publications of SEPM

... Recent Advances in for Sedimentary 2 g velocity depth sediment flux even if input fluxes are The constant reconfiguration of the flow pattern gives...

Chapter 9: Tectono-Magmatic Development of the Santos and Campos Basins, Offshore Brazil

G. D. Karner, C. Johnson, J. Shoffner, M. Lawson, M. Sullivan, J. Sitgreaves, J. McHarge, J. Stewart, P. Figueredo

AAPG Special Volumes

... Moho. The Tupi (Lula) structure is well represented between domains A and A’ and underlain by high-velocity material. (B) 1-D velocity-depth below...

Regional Sedimentation Patterns Along the Northern Melanesian Borderland

Thomas M. Brocher, Sugiarta Wirasantosa, Fritz Theyer, Chris Mato

Circum Pacific Council Publications

... by the interval velocities. The resulting velocity-depth columns for the various sonobuoy loca­ tions (shown in Figure 7) are compared REGIONAL SEDIMENTATION...

Basement Structure and Sediment Distribution in Northwest Atlantic Ocean

Brian E. Tucholke , Virginia A. Fry

AAPG Bulletin

.... 519-535. Houtz, R. E., 1980, Comparison of velocity-depth characteristics in western North Atlantic and Norwegian Sea sediments: Journal...

Late Cretaceous-Cenozoic Development of Outer Continental Margin, Southwestern Nova Scotia

Stephen A. Swift

AAPG Bulletin

... (1975) found paleocanyons on the upper rise, within the diapir province, Table 1. Interval Velocity and Depth Versus Traveltime Functions End_Page...

Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks

Christian Hermanrud, and Oddgeir Undertun

AAPG Bulletin

..., observed deviations from reference velocity versus depth trends are converted to pore pressure changes with little or incomplete analyses of potential...

Acoustic Properties of Sediment on the Southern Tonga Platform as Determined from Seismic Sonobuoy Studies

Jonathan R. Childs

Circum Pacific Council Publications

... to determine sound velocity-depth variations within marine sedimentary and underlying crustal rocks. Since 1975, the U. S. Geological Survey has made...

Hydromechanical Principles of Sediment Structure Formation

L.I. Briggs, G. V. Middleton

Special Publications of SEPM

... OF SEDIMENT FORMATION diffusion or exchange of momentum 3 1000 It is found experimentally that when the velocity or depth is large...

The Influence of Lateral Basinal Slopes on Turbidite Sedimentation in the Annot Sandstones of SE France

H. D. Sinclair

Journal of Sedimentary Research (SEPM)

... lamination in open channels are flow depth, flow velocity, and grain size (Harms et al 1982). The transition from ripple to upper planar lamination...

Tectonic Evolution of Gulf of Anadyr and Formation of Anadyr and Navarin Basins

Michael S. Marlow, Alan K. Cooper, Jonathan R. Childs

AAPG Bulletin

... and Navarin basins are similar. The similarity of the velocity-depth profiles suggests that acoustically the depths of burial of and ages of strata...

Subsurface mapping of central Israel: Implications for hydrocarbon exploration

Yuval Bartov, Stepan Vygovskiy, and Yuri Volozh

AAPG Bulletin

... identifying the primary velocity changes within the section and specifying the velocity as a function of depth, thickness, and facies. Based...

Late Tertiary Geologic History of the Continental Shelf off Northwestern Palawan, Philippines

E. V. Tamesis, E. V. Man̄alac, C. A. Reyes, L. M. Ote

Geological Society of Malaysia (GSM)

...r hand, assumed a water velocity of 1.52 km./sec. and a computed 2.70 km./sec. velocity at a depth of 2.29 km. or a two-way time of about 1.70 second...

Three-Dimensional Gravity Modelling of Sedimentary Basins

R. Wood, D. Woodward

Petroleum Exploration Society of Australia (PESA)

... mapping (King & Thrasher 1996, Isaac et al. 1994). Depth conversions for these regional mapping projects used relatively simple velocity functions...

Formation Porosity and Fluid Content from Velocity Logs

E. R. Denton

CSPG Bulletin

... as potential oil reservoirs in Western Canada. When seeking reasons for the variation of velocity with depth in a bed in any particular well, load variations may...

Crustal Velocity and Sediment Thickness Asymmetries along and between the Conjugate Australian-Antarctic Margins

Joanne M. Whittaker, Alexey Goncharov, Simon E. Williams, R. Dietmar Müller

Petroleum Exploration Society of Australia (PESA)

... and sonobuoy observations. As a result, we obtain velocity-depth functions from sonobuoy/refraction velocity solutions within the areas of the thickest sediments...

A Tectonic Hypothesis to Explain Earth’s Crustal Movement, and may Control a Basin’s Configuration and Depositional Sequence

Eric F. Engbrecht

Abilene Geological Society

... (Takenchi, p. 37), “found evidence in Croatica of a sharp increase of P velocity at a depth...of ...54 km. below earth’s surface.” (Bullen, 1975) This sharp...

Use of SEISLOG for Basin Evaluation and Field Development

R. C. Mummery

Geological Society of Malaysia (GSM)

.... These logs can be correlated with borehole sonic logs that have comparable bandwidth. In order to calculate absolute velocity and depth from seismic...