Sediment Dispersal Patterns of Oolitic Calcarenite in the Sundance Formation (Jurassic), Wyoming

Randolph Stone, Carl F. Vondra

Journal of Sedimentary Research (SEPM)

... of tidal currents that acted with high variability, lint generally with north-south polarity. Supply of detritus in the zone must have been small...

Seismic-attribute Analysis for Gas-hydrate and Free-gas Prospects on the North Slope of Alaska

M. W. Lee, T. S. Collett, T. L. Inks

AAPG Special Volumes

... then increases with the opposite polarity as gas-hydrate saturation increases further. If gas-hydrate saturations are between 20 and 40...

Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods

I. R. Gordon

AAPG Special Volumes

...-check that variations in the frequency, phase, and (especially) polarity of wavelets were accounted for during interpretation. Lines that were...

Commentary: Usage of Stratigraphic Terminology in Papers, Illustrations, and Talks

Donald E. Owen

Journal of Sedimentary Research (SEPM)

...------------------------ Magnetostratigraphic Units.--These units are based on remnant magnetic polarity in rocks. In the Code, they consist of three types of stratigraphic units...

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: South Elk Basin

D. S. Stone

AAPG Special Volumes

... Distance: 1,600 m (5,250 ft) Static Correction: surface consistent Deconvolution: Frequency Filtering: 14 to 62 Hz Other: reverse polarity to positive...

Sedimentation Pattern of a Rift-filling Unit, Tesuque Formation (Miocene), Espanola Basin, Rio Grande Rift, New Mexico: DISCUSSION

Gary A. Smith, Peter A. Battuello

Journal of Sedimentary Research (SEPM)

..., Peter A. Battuello 1990 Vol. 60 No. 1. (January), BARGHOORN, S., 1981, Magnetic-polarity stratigraphy of the Miocene type Tesuque Formation, Santa Fe...

Practical Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data

M. W. Schramm Jr., E. V. Dedman, J. P. Lindsey

AAPG Special Volumes

... is merely a reversal in plot polarity. This particular amplitude anomaly does benefit in visual simplicity by reversing the polarity, but more than this has...

Evolution and Mass Accumulation of the Cenozoic Hoh Xil Basin, Northern Tibet

Zhifei Liu , Chengshan Wang , Haisheng Yi

Journal of Sedimentary Research (SEPM)

... the hypothesis of regional similarity developed by Metivier and Gaudemer (1997) and Metivier et al. (1998) based on the units of polarity chrons...

Construction and Analysis of Three-Dimensional Seismic Porosity Inversion Models

Hongliu Zeng

AAPG Special Volumes

... seismic event (a trough, in this case) coincide with geologically defined high-frequency sequences (HFSs) and flow units. As a result, seismic polarity...

Development of Paleogene Depressions and Deposition of Lacustrine Source Rocks in the Pearl River Mouth Basin, Northern Margin of the South China Sea

Chunxiu Wang, Yuxiao Sun

AAPG Bulletin

... one in the same polarity. The seismic profile in Figure 11, however, shows another type of rifting in which the new half-graben overlaps on the older...

Understanding growth-faulted, intraslope subbasins by applying sequence-stratigraphic principles: Examples from the south Texas Oligocene Frio Formation

L. Frank Brown Jr., Robert G. Loucks, Ramn H. Trevio, Ursula Hammes

AAPG Bulletin

... of the geomagnetic polarity timescale for the Late Cretaceous and Cenozoic: Journal of Geophysical Research, B, Solid Earth and Planets, v. 100, no. 4, p...

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... of the symmetry (v ) axis by 90 degrees and global polarity reversal of G , rather than the more unsettling situation in which the orientation flip-flops by 90...

ABSTRACT: Unmasking Triassic Structural and Depositional Patterns in the Northern North Sea: A New Vision for the Evolution of the Triassic System; #90007 (2002)

Tomasso, Mark, Mike J. Young, John R. Underhill, Robert Cooper, Lucy Sides, Richard A. Hodgkinson

Search and Discovery.com

...-dipping normal faults – a fault trend opposite in polarity to that formed by subsequent Late Jurassic extension. Stratigraphy The Triassic...

ABSTRACT: Lankahuasa Prospect: Open Door to Deeper-Water Exploration in Offshore Veracruz Area; #90007 (2002)

Rosa Adriana Anguiano-Rojas

Search and Discovery.com

... Article #90007©2002 AAPG Annual Meeting, Houston, Texas, March 1-13, 2002 DIP APPARENT POLARITY DIP REFLECTION STRENGTH D RESPONSE PHASE DIP...

Hydrocarbon Geology of Cuu Long Basin - Offshore Vietnam; #90017 (2003)

Nguyen Du Hung, Hung Van Le

Search and Discovery.com

...: Inversion occurred locally in Cuu Long basin since Late Oligocene to Early Miocene. The stress field polarity is reversed from the NW-SE tension...

ABSTRACT: GEODYNAMIC EVOLUTION OF THE SOUTH CASPIAN BASIN; #90024 (2004)

M. I. Rustamov, A. A. Narimanov, M. M. Veliyev

Search and Discovery.com

... sedimentation of orbitoline limestones in the Aptian-Senomanian, Senamonian-Turanian, Lower Senonian with northern polarity, which indicates formation...

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... of the symmetry (v ) axis by 90 degrees and global polarity reversal of G , rather than the more unsettling situation in which the orientation flip-flops by 90...

Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 2: Modelling Results; #90171 (2013)

Arnim B. Haase and Robert R. Stewart

Search and Discovery.com

... 4. Note the “wrap-around” look at the depths where Q changes polarity. Figure 5 (Haase and Stewart, 2007) gives log-magnitude spectra for the depth...

Abstract: The Effect of Resistivity Anisotropy on Transient Electromagnetic Earth Responses; #90171 (2013)

Bruce Hobbs, Dieter Werthmuller, and Folke Engelmark

Search and Discovery.com

... of a step change in current, such as a reversal in polarity of a DC current, or a coded, finite-length sequence such as a pseudo-random binary sequence...

Abstract: Orientation Analysis of Borehole Geophones in Vertical and Deviated Wells: Calibration Consistency; #90174 (2014)

Peter G. Gagliardi and Don C. Lawton

Search and Discovery.com

... ± 90°, there will be two potential receiver trends separated by 180; this ambiguity is eliminated by examining the polarity of the first breaks...

Abstract: Robust Rank-Reduction Filters for Erratic Noise; #90174 (2014)

Stewart Trickett, Lynn Burroughs, and Andrew Milton

Search and Discovery.com

... spikes, zeroes, and clips), poor quality shots, scattered shot noise, disabled or poorly coupled geophones, uncorrected polarity reversals, Eigenimage...

Abstract: Identifying Reservoir Drainage Patterns from Microseismic Data; #90187 (2014)

Andreas Wuestefeld, Ted Urbancic, and Adam Baig

Search and Discovery.com

... cracks. By including polarity and amplitude in the phase arrival information, the fracture mechanism can be resolved. Thus, tensile and shear-cracks...

Abstracts: The Signature of Shearing Driven by Hydraulic Opening; #120181 (2015)

James Rutledge, Xin Yu, and Scott Leaney

Search and Discovery.com

... in depth. The mechanism families were identified based on patterns of amplitude ratios and polarity reversals of P, SH and SV phases (Rutledge et al...

Abstracts: Tuning Effects in P-wave Reflections from a CO2 Injected Saline Aquifer: A Preliminary Appraisal; #90173 (2015)

Bernard Giroux, Maxime Claprood, and Lorenzo Perozzi

Search and Discovery.com

.... In the particular case considered here, the transition zone has for effect to invert the polarity of the reflection. The thin layering also cause...

A Planetary View of Mesozoic Plate Tectonics in the Gulf of Mexico, by Richard H. Fillon, #30032 (2005).

Search and Discovery.com