Geology of Part of Finger Lakes Region, New York

I. William Fox

AAPG Bulletin

.... As the Genesee beds are noticeably flat, all evidence points toward a fault with a displacement in excess of 43 feet. The Tully again crops out 1½ miles north...

On the Use of Spherical Microproppants in Shale Fracturing

Carl T. Montgomery, Eduard Siebrits, Bill Strobel

Unconventional Resources Technology Conference (URTEC)

...On the Use of Spherical Microproppants in Shale Fracturing Carl T. Montgomery, Eduard Siebrits, Bill Strobel URTeC: 4203238 On the Use of Spherical...

Evolution of calcite microcrystal morphology during experimental dissolution

Mohammed S. Hashim, Stephen E. Kaczmarek

Journal of Sedimentary Research (SEPM)

...-equilibrium conditions the crystals themselves do not become spherical. By contrast, polyhedral crystals not only develop rounded edges and corners when...

Composition of Oil Shales: GEOLOGICAL NOTES

Bureau of Mines

AAPG Bulletin

... spherical bodies, regarded as algae, spores, or globules of oil. 3. Irregular streaks of reddish-yellow, dark-brown, or opaque material. 4. Shells...

Memoir 71, Chapter 21: Effect of Wettability on Scale-Up of Multiphase Flow From Core-Scale to Reservoir Fine-Grid Scale

Y. C. Chang, V. Mani, and K. K. Mohanty

AAPG Special Volumes

...-point variogram. Variogram models of both finite (spherical) and infinite (fractal) correlation lengths are included as special cases. Local core-scale...

Abstract: Some Organic Geochemical Thoughts on Concretions from New Zealand

Michael J. Pearson

Geological Society of Malaysia (GSM)

... variety of concretionary bodies occur in the Miocene strata of New Zealand ranging from a few cm to 10 m in size. Some of these are classic spherical...

Miocene Spumellarian Radiolaria from South Pacific: ABSTRACT

Joyce R. Blueford

AAPG Bulletin

... of more pronounced characters. Spumellarian (spherical) radiolaria, however, have not been regrouped mainly because their morphology is more subtle...

Geostatistical Approach in Coal Resource Estimation: ABSTRACT

J. H. Fang, T. H. Starks, Joe Mattern

AAPG Bulletin

... the intrinsic random functions of order k, using spherical covariance models. While the intrinsic random function approach is usually considered...

Recent Armored Mudballs Associated with a Mudflow, Egan Range, Eastern Nevada: ABSTRACT

Ronald R. McDowell, Jay E. Valusek

AAPG Bulletin

... in diameter and were spherical to ovoid with alternating internal layers of clay and limestone clasts (lithologically identical to stream gravels). AMBs...

Abstract: Kidd Copper Tailing Site … Reclamation New Meaning; #90224 (2015)

Loreen Michele Sherman

Search and Discovery.com

... are recorded in its history from 1960-~1970. Spherical grains, water-laid strata and turbulent flows discussed in this presentation capture new ideas...

Abstract: Uniformitarianism and Global Tectonics, by Eli A. Silver; #90961 (1978).

Search and Discovery.com

Support of the Gibbs Formulae: REPLY

Paul D. Komar

Journal of Sedimentary Research (SEPM)

... (1973) approach in calculating settling velocities of spherical grains. I generally use that approach, although not Warg's exact program, whenever I...

Abstract: Glendonite Formation in Assocation with Methane Oxidation in the Middle Permian Wandrawandian Siltstone, Southern Sydney Basin, Australia, by Stephanie G. Thomas; #90039 (2005)

Search and Discovery.com

Abstract: Interactive 3D Potential Field Modelling and Visualization - New Generation Software; #90255 (2017)

Hans-Juergen Goetze, Michael R. Alvers, Liliana Barrio-Alvers, Christian Plonka, Bernd Lahmeyer, Sabine Schmidt

Search and Discovery.com

.... This technique is user-friendly because it is highly interactive, ideally real-time and topology conserving and can be used for both flat and spherical models...

Abstract: Redox Conditions During Early Diagenesis Inferred from the Mode and Occurrence of Pyrite in the Upper Ordovician Point Pleasant Limestone of Southwestern Pennsylvania and Northern West Virginia, Appalachian Basin, USA; #90283 (2016)

David R. Blood, Steve Schlaegle, Christopher M. Hefferan, Mariah Murph, Alexa Vazquez

Search and Discovery.com

... and pore water in ancient and recent sediments. Framboids, spherical aggregates of microcrystallites, form at or just below the sulfide chemocline...

LAKE SEDIMENTS AS MEDIA FOR EXPLORATION IN SASKATCHEWAN

D.A.W. Lehto, R.G. Arnold, and J.W.J. Smith

Saskatchewan Geological Society

... decline in Zn above 50% LOI is explained by dilution of Zn by excess organic matter and/or a decline in inorganic matter. Garrett and Hornbrook conclude...

Summary of Discussion with Dr. W. H. Bucher of his Theories of Orogenesis With Particular Reference to the Canadian Rockies and Foothills

L. V. Illing

CSPG Bulletin

... the significance of the single experiment in shrinking, that his experience with large numbers of spherical shells fractured by expansion from within has...

Significance of Micro-Crystals of Carbonates in Bituminous Shales. A Preliminary Note

Jun-Ichi R. Takahashi

AAPG Bulletin

... curved; hence, they may appear as irregular or sub-spherical grains, their marginal parts being obscured by the matrix in which they are embedded...

3D land full-waveform inversion in the Permian Basin: A case study at Quail Ridge East

Benjamin Consolvo

International Meeting for Applied Geoscience and Energy (IMAGE)

...) surface consistent amplitude scaling, 6) spherical divergence correction, 7) ground roll modeling and suppression, 8) removal of the spherical divergence...

Aragonite Vein Fillings in Marine Manganese Nodules

Peter F. McFarlin

Journal of Sedimentary Research (SEPM)

... areas of calcareous substrate, as in the Baltic Sea and Blake Plateau, are reported by Manheim (1965, Table 2) to have calcium carbonate well in excess...

Hydraulic Interpretation of Grain-Size Distributions Using A Physical Model for Bedload Transport: REPLY

John S. Bridge

Journal of Sedimentary Research (SEPM)

... by turbulent flows: Jour. Geophys. Res., v. 72, p. 6183-6194. TSUCHIYA, J., 1969, On the mechanics of saltation of a spherical sand particle in a turbulent...

Deposition and Diagenesis of the Upper Ordovician Point Pleasant Limestone, Appalachian Basin, USA: Insights into Organic Matter Production, Preservation, and Reservoir Development; #51538 (2018)

Randy Blood

Search and Discovery.com

... at the time sediments were deposited in both recent and ancient deposits. • types of pyrite of interest • Framboids: spherical aggregates of pyrite...

Relationship Between Pressure and Moisture Content of Kaolinite, Illite, and Montmorillonite Clays

George V. Chilingar , Larry Knight

AAPG Bulletin

... AND CLAYS The Einstein equation for the viscosity of dilute dispersions of spherical particles is: [EQUATION] where µs is the viscosity...

Competence of Fine-grained Debris Flows

Monty A. Hampton

Journal of Sedimentary Research (SEPM)

... mechanism, and smaller grains have an excess of support. Mathematically, the competence (largest transported grain) of a debris flow can be described...

Texture and Composition of Some Weathered Granites and Slightly Transported Arkosic Sands

Michael C. Mcewen, Franklin W. Fessenden, John J. W. Rogers

Journal of Sedimentary Research (SEPM)

... decreases. The tendency of quartz and rock fragments to be more spherical than feldspar causes sphericity to increase with grain size. The decrease...