Evidence For and Against Sea-Level Changes From the Stable Isotopic Record of the Cenozoic

Douglas F. Williams

Special Publications of SEPM

... suggests that sinusoidal eustatics, i.e., the rise and fall of sea level being equal, is not a good assumption at fourth- and fifth-order sea-level...

Front Matter: COMBINED WORKS OF DR. GEORGE ASQUITH 1992 – 2020

George Asquith

West Texas Geological Society

... Reeves and Culberson Counties, TX George B. Asquith, Shirley P. Dutton, Andrew G. Cole, Muhammad Razi and Jose I. Guzman 73 Using Sinusoidal...

Virtual Truth: Digital Manipulation in the Earth sciences: NOTE

Brian D. Ricketts

CSPG Bulletin

.... nov. The phylogenetic lineage of this beast began with the nautiloid Cymatoceras skidegatensis (Fig. 2) that possesses simple sinusoidal sutures...

The 3-D Seismic Exploration Wheel and Treatments for Economic Pain along the Learning Curve

Marlin, Donald J.

GCAGS Transactions

... foreign, exploration projects. The pain is caused by variations in expectation over time (Fig. 5). The pain is sinusoidal and can have several orders...

Geosynclinal Nomenclature and the Craton: GEOLOGICAL NOTES

Marshall Kay

AAPG Bulletin

... Amerikas, Borntraeger, Berlin, 1940 (1941), p. 83. End_Page 1289------------------------------ Fig. 1. NORTH AMERICA SINUSOIDAL PROJECTION...

Modern Armored Mud Balls in an Urban Environment

Richard W. Ojakangas, Joyce A. Thompson

Journal of Sedimentary Research (SEPM)

... blocks. Trails in mud and sand were made by earthworms. Coin is 24 mm in diameter. End_Page 1631----------------------- an additional motion...

Drilling Risks Associated with Hydraulic Fractures and Reactivating Faults due to High Mud Weight/Pore Pressure and Miti (Paper B13)

A. A. Bal, D. Maya, K. K. Kyi, R. Guha, M. I. Gabreldar, D. Abang Indi

Geological Society of Malaysia (GSM)

... of the Society) Figure 2: (A) Borehole image log over fault zone. Sinusoidal feature marks probable fault at borehole wall. Image quality is poor...

Antithetic Faults in Upthrusting: GEOLOGICAL NOTES

James D. Lowell

AAPG Bulletin

.... End_Page 1947------------------------------ Fig. 2. Stress field, due to superimposed vertical pressure of sinusoidal form applied to bottom of block...

Abstract: An Overview of Seismic Fracture Prediction, by Enru Liu, Rishi Bansal, Xin Zhan, Alex Martinez, and Chris Harris; #120034 (2012)

Search and Discovery.com

Abstract: Geostatistical Determination of Sand-Body Geometry in the Paskapoo Formation; #90172 (2014)

Steve Lyster, Laurence Andriashek

Search and Discovery.com

... data but by varying the channel width, sinuosity, and structure (sinusoidal, meandering, etc.) it is possible to produce a number of conceptual...

Abstract: Investigating Physical Mechanisms of Seismic Anelasticity; #90174 (2014)

T. Coulman and Igor Morozov

Search and Discovery.com

... and the other being a known elastic standard (Figure 1). A torsional or axial sinusoidal force is applied to the standard and through it, to the rock sample...

Immature Aquatic Dipteran Impressions Preserved in Tufa: Eocene Fossil Lake, Wyoming

V. Leroy Leggitt, Mark A. Loewen

Rocky Mountain Association of Geologists

...: Dubuque, Iowa, Kendall/Hunt Publishing Company, p. 515–548. Metz, R., 1987, Sinusoidal trail formed by a Recent biting midge (family Ceratopogonidae); trace...

Experimental Work on Primary Sedimentary Structures

Lucien M. Brush Jr.

Special Publications of SEPM

... 1962 as well as others Studies pertaining to sediment motion in density currents is available from the work of Fry Churchill and Elder 1953 Howard...

A Predictive Model of Reservoir Continuity in Fluvial Sandstone Bodies of a Lacustrine Deltaic System, Colton Formation, Utah

Thomas H. Morris, Dean R. Richmond

Utah Geological Association

... of Colton exposures and are characterized as follows: meandering to sinusoidal fluvial systems, abundant multilateral accretion sets, and low sandstone...

Fracture Characterization in Contrasting Platform Carbonate Facies, Muak Lek and Chumphae Areas, Central-Northeast Thailand

Rahmat Utomo, John Warren, Winarno Susanto

Indonesian Petroleum Association

... as a microresistivity contrast that comprise the sinusoidal line in FMI. On the other hand, the constructed FMI of a Chumphae pseudowell does not show...

Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... variation as evidenced by the pronounced “sinusoidal wobble” at far offsets; moreover, inspection of the underlying noise models (i.e., which were...

Characterizing Hydraulic Fractures Using the Transient Pressure Surge Effect

Yuesu Jin, Yingcai Zheng, Lianjie Huang, Christine Ehlig-Economides

Unconventional Resources Technology Conference (URTEC)

...) a new low-frequency source that can emit sinusoidal waves in 12 – 70Hz; (2) a fracture model constructed using two plexiglass blocks stacked on each...

Comparison of Bed Form Variance Spectra Within a Meander Bend During Flood and Average Discharge

Raymond A. Levey, Bjorn Kjerfve, Rufus T. Getzen

Journal of Sedimentary Research (SEPM)

... into a series of sinusoidal wave shapes which, when combined, reform the original series. By mathematically transforming these sine waves, the spectrum results...

Parameterizing and Block-Averaging Electrical Characteristics of a Reservoir: an Essential part of Electrical/Electromagnetic Evaluation of Production Process: Reservoir Characterization and Modeling

A. J. Mansure

AAPG Special Volumes

... cases are considered for I, one where the magnitude of the current is sinusoidal (plane wave or PW case) and one where there is a step function ( case...

Recognition of Faults, Unconformities, and Sequence Boundaries Using Cumulative Dip Plots

Neil F. Hurley

AAPG Bulletin

... and bedding-plane orientations are determined by fitting a sinusoidal wave through high-conductivity FMS traces. The computer then calculates true dip and dip...

Drilling Induced Petal Fractures in Coal Core: A Simple Method of Using These Features in Conjunction with Bore-Wall Breakout to Determine the Angular Relationship between Cleat and Maximum Horizontal Stress as Well as Cleat Azimuth in Vertical Drill-Holes

David Titheridge

Petroleum Exploration Society of Australia (PESA)

... of sedimentary and structural features. The basis of determining dip and strike of planar inclined bedding and faults, is the sinusoidal trace of the feature...

Controls on Coal Distribution in Transgressive-Regressive Cycles, Upper Cretaceous, Western Interior, U.S.A

Timothy A. Cross

Special Publications of SEPM

... by sinusoidal sea-level oscillations superimposed on a constant rate of tectonic subsidence; disharmonic variations in either sea level or tectonic...

Water and Sediment in the Norris Glacier Outwash Area, Upper Taku Inlet, Southeastern Alaska

Roger M. Slatt, Charles M. Hoskin

Journal of Sedimentary Research (SEPM)

... a distinct sinusoidal relationship in which minima (best sorting) corresponded to modal classes and maxima (poorest sorting) corresponded to equal...

Systematic ichnology of the Mabou and Cumberland groups (Carboniferous) of western Cape Breton Island, eastern Canada, 1: burrows, pits, trails, and coprolites

Dave G. Keighley, Ron K. Pickerill

Atlantic Geology

.... insolentius was defined as hav­ ing two or three pairs o f sinusoidal waves, a scalloped pair, and an unpaired wave. Why a specim en w ith one pair...

SPATIAL AND TEMPORAL SIGNIFICANCE OF PROCESS ICHNOLOGY DATA FROM SILTY-MUDSTONE BEDS OF INCLINED HETEROLITHIC STRATIFICATION, LOWER CRETACEOUS MCMURRAY FORMATION, NE ALBERTA, CANADA

ERIC R. TIMMER, MURRAY K. GINGRAS, JOHN-PAUL ZONNEVELD

PALAIOS

... beds (Fig. 4) The SDI curve appears to contain a sinusoidal component. Arenicolites, Cylindrichnus, Gyrolithes, Planolites, and Skolithos are present...