Developments in Arizona and Western New Mexico in 1955

Ben F. Baldwin

AAPG Bulletin

... is bounded by the Defiance uplift on the east, the Paradox basin on the northeast, the Monument and Circle Cliffs uplifts on the north, the Kaiparowitz...

Developments in Alaska in 1955

George O. Gates

AAPG Bulletin

... between Eagle and Circle and on the Alaska Peninsula at Alinchak Bay north of Puale Bay and in the vicinity of Chignik Lagoon, Chignik Bay. Studies...

Two New Methods of Paleocurrent Determination from Trough Cross-Stratification

Peter G. DeCelles, Richard P. Langford, Robert K. Schwartz

Journal of Sedimentary Research (SEPM)

... the orientation of the trough axis (Fig. 2). Alternatively, the pole to the great circle which passes through the two average-limb points gives...

Preparing Doubly Polished Sections of Temperature Sensitive Sedimentary Rocks: RESEARCH METHOD PAPER

Charles E. Barker, T. James Reynolds

Journal of Sedimentary Research (SEPM)

... oriented at 90° to the first polishing step, using moderate pressure. Repeat this sequence until the block completes a full circle (40 passes total). Dry...

Roller Micrometer Analysis of Grain Shape: RESEARCH METHOD PAPER

James Harrell

Journal of Sedimentary Research (SEPM)

... of the circle within a square is proportional to the weight percent of sand falling within the subfraction. Figure 2 also shows the relation between...

Automated Measurement of the Nominal Sectional Diameters of Individual Sedimentary Particles: RESEARCH METHOD PAPER

Jim Mazzullo, Stephen K. Kennedy

Journal of Sedimentary Research (SEPM)

... the measure of the nominal sectional diameter (the diameter of a circle equal in area to the area of the grain in the plane of its largest and intermediate...

The Measurement of Girdle Strength in Particle Fabrics: RESEARCH METHOD PAPER

Francisco L. Perez, Zhi-Yong Yin

Journal of Sedimentary Research (SEPM)

... in areas of point maxima or form girdles on a great circle. However, no statistical tests have been devised for this essentially descriptive method (Koch...

Mounting Samples in Methyl Methacrylate Polymer for Sem and Emp Studies: RESEARCH METHOD PAPER

Yvonne L. Douma , John B. Knight

Journal of Sedimentary Research (SEPM)

... reference circle marking the second step. When the mark disappears evenly, the surface can be considered flat and the correct plane of all...

A Reappraisal of Dolomite Abundance and Occurrence in the Phanerozoic: DISCUSSION

Gerald M. Friedman

Journal of Sedimentary Research (SEPM)

... areas on the carbonate platform". We have come full circle. Sun reconfirms Friedman and Sanders (1967) and Friedman (1980) that most dolomite...

Opinion of Structural Mechanics of Central Basin Platform Area, West Texas

John W. Harrington

AAPG Bulletin

... of glass plates. Shear imposed (A) by pressing finger is resolved into compression (B) and tension (C) with consequent distortion of circle to ellipse...

Oriented Clastic Dike Swarms as Indicators of Paleoslope? An Example from the Upper Cretaceous Nanaimo Group, Canada

Carrie A. Rowe,, Peter S. Mustard, J. Brian Mahoney, Deanne C. Katnick

Journal of Sedimentary Research (SEPM)

.... A) slump fold axes, with best-fit great circle assuming noncylindrical, curved fold axis (method of Bradley and Hansen 1998). Pole to best-fit great circle...

Geology and Industrial Development

Alfredo Rosenzweig

AAPG Bulletin

... margin of the continent is the circum-Pacific "circle of seismicity," which has brought many problems to the countries that lie within...

Cambrian System in Black Warrior Basin: GEOLOGIC NOTE

Frederic F. Mellen

AAPG Bulletin

... circles) in Mississippi and Alabama, and Cambrian type localities (cross in circle) in Alabama, Georgia, and Tennessee. Well depths are in feet...

Displacement distributions on extensional faults: Implications for fault stretch, linkage, and seal

S. A. Stewart

AAPG Bulletin

...). Arc of a Circle To avoid the problem of lack of evidence for chevron-style folding of the cutoffs, one could simply fit the arc of a circle (Figure 4b...

ABSTRACT: Integrated Modeling of the Taratunich Field, Bay of Campeche, Southern Mexico; #90013 (2003)

W. J. CLARK, F. O. IWERE, O. APAYDIN, J. MORENO, R. LEON VENTURA, R. HERNANDEZ, J. GARCIA

Search and Discovery.com

..., F.O. IWERE, O. APAYDIN, J. MORENO, (Schlumberger DCS, 6501 S. Fiddler’s Green Circle, Suite 400, Greenwood Village, CO Ph. 303-218-3110...

Abstract: Baffin Fan and its Inverted Rift System of Arctic Eastern Canada; is this Another Beaufort-Mackenzie Basin?; #90172 (2014)

Christopher Harrison, Thomas A. Brent, Gordon N. Oakey

Search and Discovery.com

... gas and 7.3 bbl oil for the West Greenland-Arctic East Canada region north of the Arctic Circle (Schenk et al. 2008). Uncertainties are enormous...

Abstract: Borehole Stress Measurement Methods: Experiences from Scientific Drilling; #90172 (2014)

Douglas R. Schmitt

Search and Discovery.com

... stresses and the azimuths of borehole breakouts and drilling induced tensile fractures. The white dashed circle represents the expected borehole gage...

Abstract: Statistical Biases in Microseismicity Parameters; #90187 (2014)

Melanie Grob and Mirko van der Baan

Search and Discovery.com

.... The size of the circles is proportional to the magnitude. Figure 2: Magnitude versus distance from the observation well plot. Each circle is an event...

Abstract: Regular Grids Travel Time Calculation … A Practical Huygens Wavefront Expansion Approach; #90187 (2014)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... of (( or ( ( ) ( )) (( ( )) ( ) ( ( )) ( ) ( )) )) ( ) (2) ) ( )) located on the current Equation (2) is simply the equation of a circle with center ( ( wavefront. The new wavefront...

Abstracts: Seismic Imaging of the Massive Cu-Co-Zn Sulphide Deposite in Outokumpu, Finland; #90173 (2015)

Xuefeng Duo, H. Schijns, S. Heinonen, D. R. Schmitt, I. T. Kukkonen, and P. Heikkinen

Search and Discovery.com

.... Figure 1 Geographic location of Outokumpu and seismic surveys in 2006. Green circle is the location of the 2.5 km deep research hole where VSP data...

Abstracts: Interpolation of Nonstationary Seismic Records using a Fast Generalized Fourier Transform; #90173 (2015)

Mostafa Naghizadeh and Kristopher A. Innanen

Search and Discovery.com

..., diamond, triangle, circle). Next, to represent properly the time-frequency behavior of the data, the underbraced FGFT coefficients must be arrayed in a 2D...

Abstract: Brittleness Revisited; #90224 (2015)

David Cho and Marco Perez

Search and Discovery.com

..., a lower Poisson’s ratio translates to a larger deviatoric stress under the conditions of uniaxial strain. This results in a larger Mohr circle in Mohr...

Abstract: Combining Modern and Vintage Log Data to Evaluate Conventional and Unconventional Formations in the Eagle Plain of Northern Yukon; #90224 (2015)

Innocent Asoh Kalu and Don Stachiw

Search and Discovery.com

..., of the Ogilvie Mountains. The basin covers an area of approximately 20,608km2, and is bisected by the Arctic Circle. The area is characterized by lightly forested...

Abstract: Enhancement of Microseismic Events Detection Sensitivity by Taking into Account Focal Mechanism Effects; #90224 (2015)

R. Macault and T. Bardainne

Search and Discovery.com

... events, and the red lines correspond to the interpreted fracturing planes (dashed line is low likelihood). The brown circle represents...

A Dynamic Approach to Evolution of Low Permeability Gas Accumulations in the Greater Green and Wind River Basins, Wyoming, by Randal L. Billingsley and Maria Wood Henry

Search and Discovery.com