Sedimentation on the Front of Eocene Gilbert-type Deltas, Washakie Basin, Wyoming

K. O. Stanley, Ronald C. Surdam

Journal of Sedimentary Research (SEPM)

... and are easily recognized, mapped, and correlated from truncation surfaces downward into prodeltaic beds. Most sandstone beds are thin and some disappear...

Altus Field, Jackson County, Oklahoma

Charles Rynicker , C. G. Shortridge , R. W. Maxwell

AAPG Special Volumes

... gray silt beds, and thin pale green clayey shale layers are associated with the red shales. A minor amount of cream-colored dense dolomite and white...

Geology of the Buck Mountain-Bald Mountain Area, Southern Ruby Mountains, White Pine County, Nevada

J. Keith Rigby

Utah Geological Association

...-streaked, thin- to medium-bedded limestone makes up most outcrops of the formation. Some bioclastic beds occur near the base of the exposed section...

Insights to Porosity Development in Phylloid Algal Limestones from Outcrop Winchell Limestone (Canyon Group), Eastern Shelf

Alton Brown

West Texas Geological Society

... beds are thin, stylolites have closer spacing, and they generate more cement. The cement will occlude any moldic porosity that developed during early...

Abstract: Submarine-Fan Deposition of Woodbine Formation (Upper Cretaceous), Central Tyler County, Texas--Subsurface Core Study, by Charles T. Siemers; #90965 (1978).

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Abstract: Mesozoic Marine Basins of West Sarawak: Some Thoughts on Their Evolution and Paleogeography

Azhar Haji Hussin

Geological Society of Malaysia (GSM)

... derived from a southerly source, where fluvial and deltaic deposition preserving several thin coal beds occurred. A basin inversion and folding...

Abstract: Sedimentary Processes and Deposits of Saline Lakes, Saline Pans, and Playas in Early Mesozoic Rocks of Subtropical Pangea

Joseph P. Smoot

Search and Discovery.com

... features produced in these different settings include: 1) Perennial Saline Lakes, laminated to thin-bedded mudstones with laminae consisting of fine...

The Sub-Devonian Unconformity in the Eastern Rocky Mountains of Canada: Stratigraphy

P. Harker , R. D. Hutchinson , D. J. McLaren

AAPG Special Volumes

... of lithology. These beds are underlain by 986 feet of thin-bedded gray limestones and shales referred to the Mons formation. Keytella and Symphysurina...

Concepts Learned from a 3D Outcrop of a Sinuous Slope Channel Complex: Beacon Channel Complex, Brushy Canyon Formation, West Texas, U.S.A.

David R. Pyles, David C. Jennette, Mark Tomasso, Rick T. Beaubouef, Christine Rossen

Journal of Sedimentary Research (SEPM)

... inside margin of a channel bend are thick-bedded, structureless sandstone beds (Facies 6) that laterally grade to thin-bedded sandstone and siltstone...

SUMMARY OF LOWER PALEOGENE LITHOSTRATIGRAPHY AND BIOSTRATIGRAPHY OF ALABAMA

Lyman D. Toulmin

Alabama Geological Society

.... Where it is thin, the contact is obscure because of the similar color and lithology of the chalky beds above and below it. Argillaceous beds above...

Abstract: Type Locality Descriptions San Vicente Member of Boquillas Formation (Upper Cretaceous)

Ross A Maxwell , Edward Marks

GCAGS Transactions

... but locally thins to 130 ft. It is gray, thin-to medium-bedded, chalky and argillaceous limestone flags interbedded with gray or yellowish-gray platy marl...

Leonardian and Lower Guadalupian Shelf-Edge Facies in El Paso Gap Quadrangle, Southeastern New Mexico

Donald W. Boyd

West Texas Geological Society

... basin and shelf, then the marginal area was broad, perhaps 11 miles wide, and not sharply defined. It was the site of accumulation of thick beds...

ABSTRACT: Jurassic Exploration Trends of East Texas

Mark W. Presley , Chris H. Reed

GCAGS Transactions

... of appropriate pricing and a strong market for gas. In places across the East Texas Basin, thin sandstone or siltstone beds punctuate intervals...

Jurassic and Pre-Mancos Cretaceous Stratigraphy of the Eastern Uinta Mountains, Utah-Colorado

Whitney A. Bradley

Utah Geological Association

... to forty feet of the Mowry are soft, black, paper-thin shale containing fish scales, thin quartzitic sandstones and selenite beds. The interbedding...

Permian Concha Limestone and Rainvalley Formation, Southeastern Arizona

D. L. Bryant , N. E. McClymonds

AAPG Bulletin

... are scaphopods and pelecypods. Fusulinids are present only locally and are restricted to two thin beds about 40 and 60 feet above the tan chert...

Tertiary Stratigraphy of the Goose Creek District, Cassia County, Idaho, and Adjacent Parts of Utah and Nevada1

W. J. Mapel, W. J. Hail Jr.

Utah Geological Association

... lenses and thin beds of brown carbonaceous shale and lignite. Interbedded with the shale and making up most of the remainder of the formation are beds...

Madison Limestone (Devonian and Mississippian), East Flank of Bighorn Mountains, Wyoming

William J. Sando

Wyoming Geological Association

... progressively more dolomitic southward. Thick beds of oolitic limestone and micrite predominate in the northern Bighorns, whereas thin-bedded fine-grained...

Geological Conditions in Central Kansas

Irving Perrine

AAPG Bulletin

... age in Texas, these Colorado beds are very thin. They consist of about 200 feet of shales and sandstones, and are known as the Purgatoire formation...

Ordovician System in the Upper Mississippi Valley

G. Marshall Kay

Kansas Geological Society

..., many sections have upper beds of buff or brown, locally strongly foreset-bedded ferruginous sandstones. Thin clay metabentonite seams are sometimes...

Rheological Complexity In Sediment Gravity Flows Forced To Decelerate Against A Confining Slope, Braux, SE France

Marco Patacci, Peter D. W. Haughton, William D. McCaffrey

Journal of Sedimentary Research (SEPM)

... does not climb the confining slope, whereas thin (up to 25 cm thick) LDT event beds that can be directly correlated to the upper division of a related...

AAPG Archie Series, No. 1, Chapter 12: Low-resolution Techniques

Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia

AAPG Special Volumes

... of the formation at that depth. This approach does nothing to account for the effects of thin beds. 2) Variants of the conventional laminated sand...

PRE-MISSISSIPPIAN GEOLOGY OF ELK BASIN FIELD PARK COUNTY, WYOMING AND CARBON COUNTY, MONTANA

BAYARD D. REA

Montana Geological Society

... Dolomite, very fine to microcrystalline, light brown to dark gray with occasional thin beds of limestone, anhydrite, and black shale...

Habitat of Oil in Northern Great Plains and Rocky Mountains: North America

Willard D. Pye

AAPG Special Volumes

... of the Silurian beds in the geosynclinal area may be Niagaran; the section is essentially carbonate with considerable dolomite and thin stringers...

A Tidal Flat Evaporitic Facies in the Visean of Ireland

I. M. West , A. Brandon, M. Smith

Journal of Sedimentary Research (SEPM)

...) to 30 feet (9.2 m). It is characterized by thin beds of unfossiliferous laminated dolomite (fig. 3) and limestone separated by calcareous shales...

Red Bed Members of the Lower Triassic Moenkopi Formation, Southern Nevada: Sedimentology and Paleogeography of a Muddy Tidal Flat Deposit

Douglas M. Reif , Roger M. Slatt

Journal of Sedimentary Research (SEPM)

... is mainly sandy silt which is spread in thin, laterally continuous beds over large areas. There is a lack of sandy beaches and barrier islands due...