The Sundance Gold Deposit in the Bear Lodge Mountains of Northeastern Wyoming

Gregory A. Hahn, Charles F. Bauer

Wyoming Geological Association

... including Deadwood Quartzite, Archean granite, and schists and amphibolites of unknown age. Four alteration phases and associated alteration products...

Development of Tight Gas Sand Core Analysis Techniques for the Pinedale Field, Sublette County, Wyoming

John M. Dacy, Paul R. Martin, Robert H. Lee

AAPG Special Volumes

... of the screening test method are as follows: (1) samples were removed from preservation material, weighed, and the volume of water present in each core...

A Late Holocene Sea-Level Fluctuation in South Carolina

Paul T. Gayes, David B. Scott, Eric S. Collins, Douglas D. Nelson

Special Publications of SEPM

... will accompany a 40C rise in average 989 However the resolution of these temperature Kuhn cm studies is limited by poor preservation of deposits...

Dolomitization of Mississippian Carbonates in the Shell Waterton Gas Field, Southwestern Alberta: Insights from Paleomagnetism, Petrology and Geochemistry

Michael T. Lewchuk,, Ihsan S. Al-Aasm,, David T.A. Symons, Kevin P. Gillen

CSPG Bulletin

... core to provide the relative orientation between specimens from different plugs. The MOL azimuth was obtained by: 1) comparison of features observed...

Porosity Preservation in the Upper Smackover (Jurassic) Carbonate Grainstone, Walker Creek Field, Arkansas: Response of Paleophreatic Lenses to Burial Processes: ADDITIONAL DISCUSSION

Calvin A. Chimene

Journal of Sedimentary Research (SEPM)

...Porosity Preservation in the Upper Smackover (Jurassic) Carbonate Grainstone, Walker Creek Field, Arkansas: Response of Paleophreatic Lenses...

Applying carbon-isotope stratigraphy using well cuttings for high-resolution chemostratigraphic correlation of the subsurface

J. Garrecht Metzger, David A. Fike, and L. B. Smith

AAPG Bulletin

..., and, as such, the correlations based upon them may not provide reliable timelines. In this paper, we use data from well cuttings and a core to generate...

Depositional Environments and Sedimentary History of the Miocene Temblor Formation and Associated Oligo-Miocene Units in the Vicinity of Kettleman North Dome, San Joaquin Valley, California

Jon Kuespert

Pacific Section SEPM

... of core was cut during the early development of Kettleman North Dome Field and a significant part is available for study, even though core preservation has...

Meteoric Calcitization and Incipient Lithification of Recent High-Magnesium Calcite Muds, Belize

S.J. Mazzullo, William D. Bischoff

Journal of Sedimentary Research (SEPM)

..., 1983, Aragonite relic preservation in Jurassic calcite-replaced bivalves: Sedimentology, v. 30, p. 879-892. SANDBERG, P.A., SCHNEIDERMANN, N., AND WUNDER...

Deposition and Diagenesis of Marine Oncoids: Implications For Development of Carbonate Porosity

Chelsea L. Pederson, Donald F. McNeill, James S. Klaus, Peter K. Swart

Journal of Sedimentary Research (SEPM)

... a relatively low degree of textural alteration (skeletal nuclei, inclusions, organic structures). Regardless of the preservation of original textures...

Sandstone Porosity Patterns in the Latrobe Group, Offshore Gippsland Basin

J. M. Bodard, V. J. Wall

Petroleum Exploration Society of Australia (PESA)

...-Latrobe basinal history. High fluid/rock ratios at comparatively low temperatures may be responsible for porosity preservation/rejuvenation. Post...

TAPHONOMIC ANALYSIS OF CAMBRIAN VERMIFORM FOSSILS OF UTAH AND NEVADA, AND IMPLICATIONS FOR THE CHEMISTRY OF BURGESS SHALE-TYPE PRESERVATION

JESSE S. BROCE, JAMES D. SCHIFFBAUER

PALAIOS

... and chemical alteration of organic-walled microfossils: an experimental approach to understanding fossil preservation in metasediments: Geobiology, v. 10...

Deposition and Diagenesis of Upper Miocene Arkoses, Yowlumne and Rio Viejo Fields, Kern County, California

Thomas T. Tieh , Robert R. Berg , Robert K. Popp , James E. Brasher , John D. Pike

AAPG Bulletin

...) and Pittman (1979). In some plagioclase grains, the core tends to show advanced alteration (Figure 6H), possibly suggesting compositional zoning. Based...

Uranium Deposits of the Powder River Basin, Wyoming

James F. Davis

Wyoming Geological Association

... core at the end of the ancestral Laramie Mountains and intermittent floods of arkosic sediment poured into the southern end of what is now the Powder...

Onshore Structural Movement Revealed Through the Presence of Volcaniclastic Deposition Offshore.Cholula-1EXP, Miocene Salina del Istmo Basin, Mexico

David 'Stan' Stanbrook, Nicola Capuzzo, Michael Durcanin, Brian LeCompte, Gabriel Perez, Craig Farley, Adam Seitchik

Search and Discovery.com

... nature of the grain texture seen in the thin-section indicate volcaniclastic origin. Like sidewall core sample 30 we believe the preservation...

ABSTRACT: Origin And Evolution Of Biomarkers In Cored Miocene Sedimentary Rocks From IODP Expedition 317, Canterbury Basin, New Zealand

S. Bratenkov, S.C. George

The Society for Organic Petrology (TSOP)

... preservation of C11 to C34 alkanes, with a slight-moderate predominance of odd-over-even chain length for long-chain n-alkanes – the CPI22-32 values...

Diagenetic Origin of Carbonate, Sulfide and Oxide Inclusions in Biotites of the Great Valley Group (Cretaceous), Sacramento Valley, California

Philippe F. Claeys, Jeffrey F. Mount

Journal of Sedimentary Research (SEPM)

... Philippe F. Claeys, Jeffrey F. Mount 1991 Vol. 61 No. 5. (September), Diagenetic alteration of biotite and associated formation of interlayer inclusions...

Euendolithic microborings in basalt glass fragments in hyaloclastites: Extending the ichnofabric index to microbioerosion

Kimberly E. Montague, Anthony W. Walton, Stephen T. Hasiotis

PALAIOS

... part of the Hawaii Scientific Drilling Project #2 phase 1 core. Areas of alteration on the right are as listed in Walton and Schiffman (2003). Arrows...

Carbon Isotope Excursions and Crinoid Dissolution at Exposure Surfaces in Carbonates, West Texas, U.S.A.

J.A.D. Dickson, A.H. Saller

Journal of Sedimentary Research (SEPM)

... miss subaerial exposure surfaces. Certain styles of crinoid alteration may indicate paleo-subaerial exposure surfaces. Fossil crinoids can be preserved...

ABSTRACT: Improved Formation Evaluation Through Use of Rotary Sidewall Coring Tool and Well-Site Core Analysis, by R. A. Skopec; #91037 (2010)

Search and Discovery.com

Mineralogy of 140-Foot Core from Willcox Playa, Cochise, Arizona: ABSTRACT

Bernard W. Pipkin

AAPG Bulletin

.... The absence of tuffaceous sediments in the core precludes alteration of volcanic glass to form analcime. Evidence is presented which suggests...

Computed Tomographic Core Scanning to Generate a Carbonate Diagenesis Log in Upper Cambrian Microbial Buildups (Mason County, TX)

Search and Discovery.com

ABSTRACT: Authigenic Illite Morphology: Appearances Can Be Deceiving, by Joshua D. Cocker; #91043 (2011)

Search and Discovery.com

Abstract: Polar Sensitivity to Climate Change: Impacts on Reservoir Quality; #120178 (2015)

Tracy D. Frank, Christopher R. Fielding

Search and Discovery.com

... little evidence of alteration despite evidence for significant physical reworking. Grain preservation is interpreted to reflect cold temperatures, which...

New Seep Technology

Thomas Smith

GEO ExPro Magazine

... and core hydrocarbon seepage enhances the ability to identify background vs. anomalous signatures. New sample preservation and analysis will add...

Diagenesis and Porosity in the Eastern View Group, Bass Basin

G. F. J. Meszoly, J. M. Bodard, V. J. Wall

Petroleum Exploration Society of Australia (PESA)

... in• clude the widespread dissolution of carbonate cement (the major mechanism of porosity preservation/ development) and feldspar and lithic grains. Sub...