Origin of Dolomites in the Monterey Formation: Pismo and Huasna Basins, California

R. I. Kablanow, R.C. Surdam, D. Prezbindowski

Special Publications of SEPM

... contains dolomite as matrix, cements, concretions, replacement features, and as fracture fillings. Some dolomites apparently represent a single...

Evaporites and Petroleum: DISCUSSION

N. A. Kudryavtsev

AAPG Bulletin

..., and what is the mechanism for precipitation from saturated waters covered by a dilute layer? Both difficulties cannot be overcome. In great sea basins...

Soft-tissue preservation in Miocene frogs from Libros, Spain: Insights into the genesis of decay microenvironments

Maria E. McNamara, Patrick J. Orr, Stuart L. Kearns, Luis Alcalá, Pere Anadón, Enrique Peñalver Mollá

PALAIOS

... carbonaceous bacterial biofilm enveloped by the phosphatized remains of the mid-dermal Eberth-Katschenko layer, external to which is a second, thinner...

Diagenesis of the Maxon Sandstone (Early Cretaceous), Marathon Region, Texas: A Diagenetic Quartzarenite

Earle F. McBride

Journal of Sedimentary Research (SEPM)

... during invasion of meteoric water introduced during a low stand of sea level, followed by extensive cementation and grain replacement by calcite. C...

Evidence for Early Aragonite in Paleo-Lacustrine Sediments

Rita-Maria Riccioni, Patrick W. G. Brock, B. Charlotte Schreiber

Journal of Sedimentary Research (SEPM)

... evaporative sediments of the Newark Basin (Passaic Formation), developed as pseudomorphic replacement of precursor, more soluble minerals such as glauberite...

Fine characterization technique and its application to Neogene composite channel sand bodies in Bohai oilfield

Shengqiang Zhang, Zhijun Zhang, Yu He, Xun Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... composite channel sand bodies are developed in Bohai oilfield, which are mainly characterized by thin layer and interbedded structure. The superimposed...

Improving Burial and Thermal History Modeling Based on Geochemistry and Progressive Clay Mineralogical Transformation in Devonian Shales - Examples from the Duvernay and Muskwa Formations in Western Canada, #51582 (2019).

Raphael Wust, Sam Tu,

Search and Discovery.com

... of the basin buried to ~900 m (~3000 ft) depth, but are absent in rocks at ~1300 m (~4300 ft) depth where mixed-layer smectite-illite clay minerals are present...

Radiaxial Fibrous Calcite: A Reappraisal

Alan C. Kendall

Special Publications of SEPM

... (involving a complex replacement of an earlier acicular cement) has not been challenged, although some misgivings were expressed in Kendall...

Summary of the Diagenetic History of the Upper Cretaceous Forbes, Starkey, and Winters Formations, Sacramento Basin, California

Karl A. Mertz Jr.

Pacific Section SEPM

... and/or replacement of unstable aluminosilicate grains, generation of abundant secondary porosity, and selective cementation through formation of a suite...

Bentonite Mining Near Kaycee, Wyoming

Thomas Thorson

Wyoming Geological Association

... of the distinctive features of these cabins is the thick layer of bentonite which is found on the roofs. Bentonite was found to be an effective sealant of wind...

Abstract: Interferometric Approach to Complete Refraction Statics Solution; #90187 (2014)

Valentina Khatchatrian and Mike Galbraith

Search and Discovery.com

.... We show below an example of the replacement statics computation for a one layer model, which is easily expandable to a multi-layer model, expressed...

Origin of Massive Banded Carbonates with "Bluebird Structures" in the Cambrian of the Eastern Great Basin

John C. Kepper

Journal of Sedimentary Research (SEPM)

... and replacement processes. Pore-filling fabrics are associated with the centrifugal replacement of ferroan dolomite; nonferroan dolomite appears...

Diagenesis of Middle and Upper Eocene Carbonate Shoreline Sequences, Central Florida

A. F. Randazzo , G. C. Stone , H. C. Saroop

AAPG Bulletin

... of dolomitzation. These textures are (1) replacement dolomitization of the total sediment so that original fabrics are preserved; (2) dolomitization...

Pyrite and Marcasite Coated Grains in the Ordovician Winnipeg Formation, Canada: An Intertwined Record of Surface Conditions, Stratigraphic Condensation, Geochemical "Reworking," and Microbial Activity

Jurgen Schieber, Lee Riciputi

Journal of Sedimentary Research (SEPM)

... flocculent layer: Paleoceanography, v. 16, p. 1–19. Prior, D.J., Boyle, A.P., Brenker, F., Cheadle, M.C., Day, A., Lopez, G., Peruzzo, L., Potts, G.J., Reddy...

Mineral Exploration in the Northern Keg Mountains, Juab County, Utah

Margaret E. Venable

Utah Geological Association

..., and at depth may host porphyry-style mineralization, skarns, and/or associated Tintic-style replacement bodies. The Keg district is hosted by Paleozoic...

Dolomitization and Dolomite "Dikes" in the Wyman Formation (Precambrian), Northeastern Inyo Mountains, California

Donald H. Zenger

Journal of Sedimentary Research (SEPM)

... and have transitional or sharp contacts. A replacement origin for the dolomite in the pods and dikes is evidenced by transitional margins and relic...

Spatial Distribution of Carbon and Oxygen Isotopes in Laterally Extensive Carbonate-Cemented Layers: Implications for Mode of Growth and Subsurface Identification

Jeffrey S. Klein , Peter Mozley , Andrew Campbell , Rex Cole

Journal of Sedimentary Research (SEPM)

... the layers (2.3 m to 1.5 km apart on the same layer), and from isolated and stratabound concretions. Taken together, all the cements (regardless...

Correlations of Diagenesis with Sedimentary Facies in Eocene Sandstones, Western Oregon

Marjorie A. Chan

Journal of Sedimentary Research (SEPM)

...------------------------ Samples exhibiting extensive calcite replacement were avoided for point counts to eliminate identification errors caused...

Silcretes and Associated Silica Diagenesis in Southern Africa and Australia

David Smale

Journal of Sedimentary Research (SEPM)

... cm across are present in the clay near the silcrete layer, which tends to be rich in colloform leucoxene (Fig. 2). A well-known quarry northeast...

Depositional Environments and Petrology of the Gilwood Member North of the Peace River Arch

B. A. Rottenfusser, T. A. Oliver

CSPG Bulletin

... Environments: Soc. Econ. Paleontologists Mineralogists, Publ. 16, p. 84-97. Walker, T. R., 1960, Carbonate replacement of detrital crystalline silicate...

A three-component field study of the effect of the low-velocity layer on converted-wave seismic data

Dan Cieslewicz, Don C. Lawton

CSPG Special Publications

...A three-component field study of the effect of the low-velocity layer on converted-wave seismic data Dan Cieslewicz, Don C. Lawton 1998 217 220...

A Note on a New Type of Conical Structure in Shale: NOTES

Bertram G. Woodland

Journal of Sedimentary Research (SEPM)

... layer with both the upper and lower surfaces slicken-sided and bearing longitudinal striations extending from the apex to the base (fig. 2). The cone...

Other Carbonate Grains: Ooids and Pisolites

AAPG Special Volumes

... to five layer) concentric coatings which must be carefully distinguished from micrite envelopes. They are important in echinodermal limestones...

Geochemistry of Oil-Shale Genesis, Green River Formation, Wyoming

John Ward Smith

Wyoming Geological Association

... also occurs in the lighter layers, sufficient organic segregation exists to permit easy recognition of the cyclic two-layer structure. The photograph...

Aragonite Cements and their Occurrence in Ancient Limestones

Philip Sandberg

Special Publications of SEPM

.... Many other isopachous fibrous calcite cements with regular optic orientation have been commonly inferred to be the product of pseudomorphic replacement...