Some Notes on the Cretaceous Faunas of Eastern Utah and Western Colorado

Philip J. Katich

Utah Geological Association

... Cretaceous fossils have been collected from the Cedar Mountain formation. Stokes (1952, p. 1768) recorded microfossils from shales in the upper part...

Carbonate Concretions in the Upper Cretaceous Cedar District Formation, British Columbia

R. A. Rahmani

CSPG Bulletin

..., feldspar and other minerals that constitute the surrounding rocks (Pl. 2, Fig. 1). They commonly contain circular and elliptical tests of microfossils...

Shorten the Learning Curve Through Technological Innovation: A Case Study of the Fuling Shale Gas Discovery in Sichuan Basin, SW China

Zhijun Jin, Maowen Li, Zongquan Hu, Bo Gao, Haikuan Nie, Jianhua Zhao

Unconventional Resources Technology Conference (URTEC)

..., there are many siliceous microfossils, such as radiolarians and sponge spicules, which indicate the organic origin of silica in the organic-rich...

Preliminary Report on Frasnian-Famennian Events in South China

Hong-fei Hou, Qlang Ji, Jinxing Wang

CSPG Special Publications

... detailed information will be given elsewhere on the identification of microfossils, geochemistry and carbon and oxygen isotopes. Geological Background...

Oceanic Sediments and their Diagenesis: Some Examples from Deep-sea Drilling

Thomas A. Davies , Peter R. Supko

Journal of Sedimentary Research (SEPM)

.... Carbonate sediments have been dominant in deep sea sediments since at least the Jurassic, except during the Eocene when siliceous sediments became...

Preservation of protists within decaying plants from geothermally influenced wetlands of Yellowstone National Park, Wyoming, United States

Alan Channing, Daniel E. Wujek

PALAIOS

... are perplexing as both groups appear, based on mineralogical composition, to have similar taphonomic potentials to other siliceous microfossils...

New Upper Paleozoic and Lower Mesozoic Stratigraphic Units, Central and Western Brooks Range, Alaska

C. G. Mull , I. L. Tailleur , C. F. Mayfield , Inyo Ellersieck , S. Curtis

AAPG Bulletin

... in the western and central parts of the Brooks Range, northern Alaska. New names are given to dominantly siliceous and shaly sedimentary rocks of Mississippian...

Ruby Orogeny - A Major Early Paleozoic Tectonic Event

Ronald Willden

Rocky Mountain Association of Geologists

... floored by siliceous-volcanic assemblage rocks received carbonate sedimentation while at the same time deep basins were the sites of accumulation...

Chapter 13: A Diagenetic Study of the Wolfcamp Shale in the Southeast Midland Basin, West Texas: A Petrographic and SEM Study of Two Cores

Alyssa K. Wickard, R. Douglas Elmore, Gerhard W. Heij

AAPG Special Volumes

..., siliceous and calcareous mudstones interbedded with carbonate turbidites and debrites. Using two cores that comprise the Wolfcamp Shale near the eastern...

The Granite Ridge of Kansas: GEOLOGICAL NOTES

Henry A. Ley

AAPG Bulletin

..., Pennsylvanian beds rest upon the "siliceous" lime of Cambro-Ordovician age. On the flanks and in some of the saddles that cut across the axis...

Annual Meeting of the Cordilleran Branch of the Geological Society of America: GEOLOGICAL NOTES

K. C. Heald

AAPG Bulletin

... was devoted to a symposium on "Siliceous Shale and the Origin of Petroleum in California." This symposium, organized and led by Professor C. F. Tolman, began...

Microsoft Word - Abstracts.docx

Svara,

Search and Discovery.com

... are interbedded organic-rich, silty to argillaceous and siliceous (locally phosphatic), petroliferous mudstones (transgressive deposits/ condensed interval...

Impact of Seasonal Changes on the Formation and Accumulation of Soft Siliceous Sediments on the Discharge Apron of Geysir, Iceland

Brian Jones, Robin W. Renaut

Journal of Sedimentary Research (SEPM)

...Impact of Seasonal Changes on the Formation and Accumulation of Soft Siliceous Sediments on the Discharge Apron of Geysir, Iceland Brian Jones, Robin...

Biostratigraphic Implications for Turbidite Depositional Processes on the Monterey Deep-Sea Fan, Central California

Charlotte A. Brunner, William R. Normark

Journal of Sedimentary Research (SEPM)

... of microfossils in ten turbidites from the western levee of the Monterey Fan to determine 1) how turbidite microfossil assemblages differ from those...

Source Quality Variations Tied to Sequence Development in the Monterey and Associated Formations, Southwestern California: Chapter 12

Kevin M. Bohacs

AAPG Special Volumes

... and paleoecology of the Naples Bluff coastal section based on diatoms and benthic foraminifera, in R.E. Casey, J.A. Barron, Siliceous Microfossils...

Authigenic Quartz Microfabrics in Cretaceous Turbidites: Evidence for Silica Transformation Processes in Sandstones

James P. Hendry , Nigel H. Trewin

Journal of Sedimentary Research (SEPM)

... cements have also been described from several marine sandstones. Ultimate sources of silica in these cases are generally siliceous microfossils...

Occurrence and Origin of Chert in the Monterey Formation: ABSTRACT

M. N. Bramlette

AAPG Bulletin

... the other siliceous rocks in the Monterey but is locally prominent, especially in lower parts of the formation. Evidence is presented indicating that most...

Abstract: Spectrum of Pore Types in Siliceous Mudstones in Shale-Gas Systems, by Robert Loucks, Stephen C. Ruppel, Robert M. Reed, and Ursula Hammes; #90124 (2011)

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Lithostratigraphy of the Woodford Shale, Anadarko Basin, West-Central Oklahoma, #50518 (2011)

Craig D. Caldwell,

Search and Discovery.com

... are composed of 10 to 30 ft (3 to 9 m) intervals dominated by one of three lithologies: clayey mudrock (CM) (38% clay and 41% quartz), clayey siliceous...

Authigenic Carbonate Concretions and Host Shales from the Shimanto Belt, Southwestern Japan: Implications for Carbonate Precipitation

Kenichiro Sugitani , Ryuichi Sugisaki , Mamoru Adachi

Journal of Sedimentary Research (SEPM)

... by magnesium ions: Geochimica et Cosmochimica Acta, v. 34, p. 621-625. MATSUMOTO, R., 1987, Origin of manganese nodules in the Jurassic siliceous rocks...

Remains of Ancient Life in Cretaceous Rocks of the Dinosaur Triangle

Robert G. Young

Grand Junction Geological Society

... during the Cretaceous. Included here were the foraminifera, siliceous sponges, jellyfish, bryozoans, pelecypods, gastropods, ammonoid cephalopods, insects...

Authigenic Kaolinite and Associated Pyrite in Chalk of the Cretaceous Niobrara Formation, Eastern Colorado

Richard M. Pollastro

Journal of Sedimentary Research (SEPM)

... of the organism. Borst concluded that silica and alumina required for the growth of kaolinite were supplied by the dissolution of siliceous microfossils...

Origins of Reservoir Complexity in the Miocene Monterey Formation of California

Loretta Ann Williams

Pacific Section SEPM

... and ubiquitous organic matter. The composition of these siliceous oozes reflects marked environmental sensitivity. Subtle changes in input components during...

Paleogeography of Three Paleocene Limestones in Baja California, Mexico

Patrick L. Abbott, Douglas P. Smith, William V. Sliter, Louella R. Saul

Pacific Section SEPM

... occurrences of silicified wood. The top several meters of the shale unit contain no carbonate microfossils, but do have siliceous arenaceous forams...

Analysis of Factors Affecting Quantitative Estimates of Organism Abundance

Louis S. Kornicker

Journal of Sedimentary Research (SEPM)

..., J. G., 1956, Fern Glen (Mississippian) Ostracoda: Jour. Paleontology, v. 30, p. 1315-1323. ELLISON, S. P., 1951, Microfossils as environment...