Dissolved Products of Artificially Pulverized Silicate Minerals and Rocks: Part I

W. D. Keller, William D. Balgord, A. L. Reesman

Journal of Sedimentary Research (SEPM)

..., persistent, altered layer on the surface of the feldspar grain, which acted as a zone of adjustment and accommodation for exchange absorption between...

A Rapid Method of Making Replicas of Rock and Mineral Surfaces for Use in Electron Microscopy

Charles F. Kahle, Mort D. Turner

Journal of Sedimentary Research (SEPM)

....(FOOTNOTE 3) In general, replicas of surfaces that had not been well polished required a shadowing angle greater than 15°. Next a layer of carbon...

The Genesis of Some Sideritic Beds in the Yorkshire Lias (England): NOTES

B. W. Sellwood

Journal of Sedimentary Research (SEPM)

... (negative Eh) and produce siderite. However, some siderite nodules contain calcitic or even aragonitic shells which show no sign of replacement, and thus...

Shale Petrology by Electron Microprobe: Pyrite-Chlorite Relations

Raymond Siever, Miriam Kastner

Journal of Sedimentary Research (SEPM)

..., N.Y., 143 p. DREVER, J. I., 1971, Magnesium-iron replacement in clay minerals in anoxic marine sediments: Science, v. 172, p. 1334-1336. EL WAKEEL...

AAPG Methods in Exploration No.11, Part 2: Satellite Images and Description of Study Areas - Abu Dhabi Coastline

P. M. Harris

AAPG Special Volumes

..., and gypsum crystals (Figure 98, C15 to Q9); (2) a supratidal salt flat facies with a surficial layer of halite, replacement of gypsum by anhydrite...

Heavy Oil Production Operations in Potiguar Basin, Brazil: Section I. Regional Resources

P. J. V. de Andrade, M. L. Gabrielli, S. L. S. Barrocas

AAPG Special Volumes

.... The matrix includes silt-sized (3.5%) and clay-sized grains (1%) and is composed dominantly of expandable illite-smectite mixed-layer clays as grain...

Regional-Scale Porosity and Permeability Variations in Upper Devonian Leduc Buildups: Implications for Reservoir Development and Prediction in Carbonates

Joachim E. Amthor , Eric W. Mountjoy , Hans G. Machel

AAPG Bulletin

...: Bulletin of Canadian Petroleum Geology, v. 12, p. 1-100. Laflamme, A. K., 1990, Replacement dolomitization in the Upper Devonian Leduc and Swan Hills...

Sponge-microbial mound facies in Mississippian Tuscumbia Limestone, Walker County, Alabama

David C. Kopaska-Merkel, Steven D. Mann, Jack C. Pashin

AAPG Bulletin

... complexes (white dotted line). The basal layer on this slab exhibits erosional relief (short black arrows), a blackened surface, and a large boring filled...

Seismic Modeling of Acid-Gas Injection in a Deep Saline Reservoir

Search and Discovery.com

... reservoirs are one attractive target. Acid gas injection is becoming a method of choice (as a replacement for flaring) at smaller gas wells where...

K-Ar Dating of Authigenic Illites: Integrating Diagenetic History of the Mesaverde Group, Piceance Basin, NW Colorado

Trevor Stroker and Nick Harris

Search and Discovery.com

... two different types of diagenetic illite. The largest constituent, as determined by SEM microscopy, is a highly illitized, pore-lining, mixed layer...

Selection of Geological Models for Uncertainty Assessment with a Novel Streamline Approach, #40567 (2010)

Michael D. Hogg, G. Michael Shook, Michael Pyrcz,

Search and Discovery.com

... for VDP = 0.7. Flow Capacity, F Flow Capacity, F 0.75 0.75 F-PHI curve for VDP = 0 (homogeneous displacement). Each layer has same pore volume, same...

Reservoir Characterisation for Field Development, Albertine Graben, East African Rift System; #20130 (2012)

Andrew Ochan and Catherine Amusugut

Search and Discovery.com

..., kaolinite is most common (avg. 31%), followed by mixedlayer illite/smectite (avg. 28%), chlorite (avg. 22%), and illite (avg. 19%). Mixed-layer...

Case Study of the Structural and Depositional-Evolution Interpretation from Seismic Data; #20143 (2012)

Yun Ling, Xiangyu Guo, Jixiang Lin, and Desheng Sun

Search and Discovery.com

... in the Jungar basin in western China, with depths between 3230-3480 m. And Jurassic (main producing layer) formation contacts its underlying formation...

Diagenesis and Reservoir Quality of the Oligocene Vedder Sandstone of the Rio Bravo Oil Field, California; #20319 (2015)

Stephanie Caffee, Robert A. Horton

Search and Discovery.com

... been altered to chlorite and pyrite. Precipitation of cements include clays (kaolinite, chlorite, and illite and/ or mixed-layer illite/smectite...

Sand Production Management: The Critical Challenge in Zawtika Gas Production; #20351 (2016)

Tanawat Junmano, Lee Boo Soon, Anan Amornprabharwat, Sutasinee Kittisupalauk, Rangsan Bhengbhun

Search and Discovery.com

..., chlorite and mixed-layer illite/smectite and etc 44microns 7 Challenges in Zawtika gas production • Unconsolidated sands are major reserves...

Fluid Substitution Modeling to Determine Sensitivity of Time-Lapse 3-D Vertical Seismic Profile Data to Injected CO2; #41902 (2016)

Kimberley Haar, Robert Balch

Search and Discovery.com

... in time-lapse VSP data it is important to understand the seismic sensitivity of the interval to the replacement of fluids with CO2. Through 2015...

Characterization of a Morrowan Sandstone Reservoir, Lexington Field, Clark County, Kansas

Martin Emery, P. G. Sutterlin

Oklahoma City Geological Society

... layer groups; Robinson, 1983), pyrite, and insoluble material along stylolitic surfaces. The Morrowan 'A' Sandstone exhibits subangular to well-rounded...

Dolomitization by Groundwater-Flow System in Carbonate Platforms

Michael Simms

GCAGS Transactions

... characteristics of the flow may also be deduced from the stability calculations. To perform such an analysis, we consider a very wide layer of porous...

Bentonite Mining In The Black Hills Region

Eldon L. Allison Jr.

Wyoming Geological Association

... oxides contained in bentonite are probably the result of atomic replacement of original aluminum silicates during the weathering process. Bentonite...

Experimental Simulation of Clay Precipitation Within Reservoir Sandstones 2: Mechanism of Illite Formation and Controls on Morphology

J.S. Small , D.L. Hamilton , S. Habesch

Journal of Sedimentary Research (SEPM)

.... 241-270. HOWARD, J.J., AND ROY, D.M., 1983, Development of layer charge and kinetics of experimental smectite alteration: Clays and Clay Minerals, v. 33...

The origin and significance of convolute lamination and pseudonodules in an ancient deep-marine turbidite system: From deposition to diagenesis

Omar N. Al-Mufti, R. William C. Arnott

Journal of Sedimentary Research (SEPM)

... lamination” is used to describe a fold structure consisting of wavy laminae confined to a single sediment layer, where typically the deformed...

Geological and Chemical Conditions of Formation of Red Beryl, Wah Wah Mountains, Utah

Jeffrey D. Keith, Eric H. Christiansen, David G. Tingey

Utah Geological Association

... of smectite to a pink or brown clay that is also dominantly kaolin, but contains more mixed-layer clay (~20% illite and ~80% smectite). Both types...

Carbonate Lithologies of the Mississippian Barnett Shale, Fort Worth Basin, Texas

Kitty L. Milliken, Ruarri J. Day-Stirrat, Petro K. Papazis, Christian Dohse

AAPG Special Volumes

...) is interpreted as a replacement of microcrystalline carbonate allochems and brown calcite, which contains mostly dark luminescing particles of background...

Herringbone Calcite: Petrography and Environmental Significance

Dawn Y. Sumner , John P. Grotzinger

Journal of Sedimentary Research (SEPM)

... from a specific depositional surface as a cement or encrustation and is not a later replacement phenomenon that crosscuts primary sedimentary surfaces...

Excello Shale, Northeastern Oklahoma: Clue to Locating Buried Reefs

Martin M. Cassidy

AAPG Bulletin

..., having a resinous appearance on fresh surfaces. At the base is a thin layer containing pyritized chonetid brachiopods. The lower facies is 5.5 ft...