Correlation Strategies for Clastic Wedges

Timothy A. Cross, Margaret A. Lessenger

Rocky Mountain Association of Geologists

... log), or sometimes even a fining-up signature. Some individual small-scale cycles are more symmetric than the typical base-level fall asymmetry of most...

Evolution of an Incised-Valley Fill, the Pine Ridge Sandstone of Southeastern Wyoming, U.S.A.: Systematic Sedimentary Response to Relative Sea-Level Change

Ole J. Martinsen

Special Publications of SEPM

... evidence of either asymmetric or symmetric cross-laminae. The sandstones are either cross-laminated, in places quite evidently symmetric (Fig. 10A...

Coarse-Grained Gilbert Deltas: Facies, Sequence Stratigraphy and Relationships to Pleistocene Climate at the Eastern Margin of Lake Bonneville, Northern Utah

Mark R. Milligan, Marjorie A. Chan

Special Publications of SEPM

... horizontal laminations asymmetric and laminations, and symmetric ripples soft sediment ripples, sediment to subhorizontal deformation low angle...

Analogue Modelling of Extensional Fault Architectures: Comparisons with Natural Rift Fault Systems

K. R. McClay, T. Dooley, R. Gloaguen, P. Whitehouse, S. Khalil

Petroleum Exploration Society of Australia (PESA)

... direction. Serial cross-sections tlu·ough the completed model show the symmetric nature of the rift system, its cylindricity along strike, as well...

Morphology and Geology of the Magellan Trough Area in the Central Pacific

Masahide Furukawa, Kensaku Tamaki, Atsuyuki Mizuno, Masaaki Kimura

Circum Pacific Council Publications

... of the Phoenix lineation set, and noted their fan-shaped appearance. Tamaki et al. (1979) identified the symmetric magnetic anomaly linea­ tions...

The Types and Role of Stepovers in Strike Slip Tectonics

ATilla Aydin, Amos Nur

Special Publications of SEPM

... and the pull apart lines I and II in Figs 5B and C respec tively Usually the dip angles of the bounding faults are not symmetric Ben A vraham et aI...

Estimation of Fracture Geometries From Poroelastic Pressure Responses in Offset Wells

Sean Spicer, Erica Coenen

Unconventional Resources Technology Conference (URTEC)

...mple situation with one monitor fracture and six treatment fractures, each symmetric and originating at the stage heel (𝑥 𝑜 = 𝑦 𝑜 = 𝑧 𝑜 = 0), using a p...

Propagating of Hydraulic Fractures from Horizontal Wellbores: Effects of In-situ Stress and Near Wellbore Stress Redistribution

Qian Gao, Desheng Zhou, Ahmad Ghassemi, Xiong Liu, Yafei Liu, Minhao Guo

Unconventional Resources Technology Conference (URTEC)

...nder tension, the shear stress σxy is anti- URTeC 5661 8 symmetric to the vertical and horizontal directions. These numerical results are consis...

Distributary-Mouth Bar Development and Role of Submarine Landslides in Delta Growth, South Pass, Mississippi Delta

John F. Lindsay , David B. Prior , James M. Coleman

AAPG Bulletin

... in a single symmetric mound immediately seaward of the distributary mouth; rather, the distribution is bimodal. The two modes lie approximately 8,000 ft...

Oblique Convergence During Northeast-Southwest Laramide Compression Along the East-West Owl Creek and Casper Mountain Arches, Central Wyoming

Philipp C. Molzer, Eric A. Erslev

AAPG Bulletin

... pure shear) and faulting is symmetric to these axes, then the average slickenline orientation (given by the first eigenvector) will parallel the ^sgr1...

McAllen Ranch Field: Successes in the 3-D-Based Redevelopment Program, Hidalgo County, Texas

Marilyn Taggi Cisar and R. Michael Stovall

GCAGS Transactions

... in this area. The survey used a symmetric orthogonal grid of source and receiver lines each separated by 1200 feet, with 150 foot station spacing for both...

Fortune Bay: The Precambrian-Cambrian Boundary Type Section

Peter Wallace

Atlantic Geoscience Society Special Publications

... with symmetric ripples marks. The crests of these ripples are generally perpendicular to the trend of the gutter cast, but beds with multiple directions...

The Use and Limitations of Non-Seismic Geophysics in the Papuan Thrust Belt

A. J. Billings, J. H. Thomas

Papua New Guinea (PNG) Petroleum Convention Proceedings

... Spread Record Length Sample Rate Fold of Stack — — — — — — — — — — — — Single Hole Maximum 23m 4kg 50m 144 25m 25m 1800m Symmetric Split Spread 5...

A Preliminary Assessment of the Hydrocarbon Potential of Kerio Valley Basin: Gravity and Magnetic Interpretation

Abiud Masinde, Cleophas Simiyu, Innocent Murunga, George Muia, Aaron Waswa, Justus Barongo

Africa Energy and Technology Conference, 2016

... of the tilt ridges which are relatively parallel, symmetric and uniform. These widths are halved to estimate depths are to various targets and generate...

Pitfalls in Statistics for Environmental Sampling Evaluation

Yue Rong

Environmental Geosciences (DEG)

... symmetric shape as the normal “bell shape” distribution when the sample size is large enough. When sample size is small, the t-distribution is somewhat...

Chapter 5: Seismic Trace Inversion

Tom Wittick

North Texas Geological Society

... that the wavelet in the data is symmetric and zero phase. Figure 5-2 is a sonic log displayed at a compressed vertical scale. There are many high...

Reservoir attributes related to base level cyclicity and diagenesis in the Winnipeg Group, North Dakota

ROBERT J. VINOPAL, DWAINE H. EDINGTON

Williston Basin Symposium

.... Intermediate scale cycles are approximately 18 to 23 meters (60 to 75 feet) thick and appear to be symmetric in terms of hemicycle thickness...

Tectonic Features of the Northwestern Maverick Basin

Matt Gose

South Texas Geological Society Special Publications

... of closure. Dips are gentler than the Chittim Anticline, averaging 175 feet per mile or 1.5°. The fold appears to be symmetric. Origin of the Laramide...

Shallow Marine Sheet Sandstones, Upper Yates Formation, Northwest Shelf, Delaware Basin, New Mexico

Magell P. Candelaria

Special Publications of SEPM

...-laminated facie-s-, includes symmetric and asymmetric ripples, climbing ripple-drift cross-laminae and planar laminae; M - massive facies, includes...

Gravity Survey of the Guffey Volcanic Center, Thirtynine Mile Volcanic Field, Park County, Colorado

Gregory A. Wimpey, Mark Andrew Tinker

Bulletin of South Texas Geological Society

... these two profiles. If a radially symmetric caldera structure were present, it should produce some symmetry between these two profiles. Ideally...

Structural subdivision of channel sand bodies based on frequency division coherence and attribute fusion

Qian Yu, Jianli Wang, Huajing Chen, Heng Zhang, Lien Bian

International Meeting for Applied Geoscience and Energy (IMAGE)

... t can be realized. According to different seismic data, a calculation method for the eigenvalues and eigenvectors of the three-dimensional symmetric...

Seismic Trace Inversion

Abilene Geological Society

... processed so that the wavelet in the data is symmetric and zero phase. Figure 5-2 is a sonic log displayed at a compressed vertical scale...

Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods

Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera

Unconventional Resources Technology Conference (URTEC)

... a symmetric polar pattern, with main axis controlled by fracture orientation. For a detailed description and mathematical derivation refer to Fangyu L...

Origin of Upper Cambrian Flat Pebble Conglomerates in the Northern Powder River Basin, Wyoming

Michael D. Wilson

Special Publications of SEPM

... ripples on the upper surfaces. Both symmetric and asymmetric ripple forms are present (Fig. 4). None of the ripples Ripple lamination...

Calibration of Kinetic Models with Data from Geologically Matured Organic Matter: Estimation of the Kinetics of Thermal Degradation of Individual Oil-generating Macerals

Johan K. Michelsen and Ganjavar Khavari Khorasini

The Society for Organic Petrology (TSOP)

... is with the presented model predicted by tbe rtssumplion of a symmetric activation energy distribution. This may be a reasonable assumption for algal...