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The AAPG/Datapages Combined Publications Database

Showing 1,906 Results. Searched 200,626 documents.

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The "Resedimented Coarse Clastic Family", Facies, Processes and Depositional Models

Roger G. Walker

New Orleans Geological Society

... of climbing ripples. The single row indicates reworking of underlying sediment by the tail of the turbidity current (or possibly a semi-permanent ocean...

1976

Volcaniclastic Strata of the Upper Jurassic Santiago Peak Volcanics, San Diego, California

Duane C. Balch, Sarah H. Bartling, Patrick L. Abbott

Pacific Section SEPM

... and breccias are moderately organized, moderately to poorly sorted, and exhibit normal, reverse and coarse-tail grading. They show some stratification...

1984

Lode Mineralization in the Judith Mountains, Montana

Lee A. Woodward, David L. Giles

Montana Geological Society

...-silver ratios are variable, even in the same vein. The Tail Holt mine (loc. 43) produced gold-rich ore whereas the Silver Bullion mine...

1993

Tiny keys to unlocking the Kellwasser Events: detailed characterization of organic walled microfossils associated with extinction in western New York State

Abigail A. Kelly, Phoebe A. Cohen, Diana L. Boyer

PALAIOS

...; the diameter distribution has an extended right tail of larger specimens. Morphologies fall within the range of variation exhibited by the smaller...

2019

What Lies beneath … A Review of Frontier Exploration for Deep Plays in the Bowen Basin

Raymond L. Johnson Jr, Nathan Parker

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., 20/40 and 20/40 ceramic proppants with a tail-in of a 20/40 non-radioactive tracer (NRT) ceramic proppant (Duenckel et al. 2011a, 2011b...

2023

Shallow to Deep Water Facies Development in the Dimple Limestone (Lower Pennsylvanian), Marathon Region, Texas

Alan F. Thomson, M. Ray Thomasson

Special Publications of SEPM

... is indicated A qucstion arose Does this mudstone portion rcprcscnt the fine tail of the turbidity current or is it a normal pelagic deposit resulting...

1969

Weathering pits versus trample marks: a reinterpretation of the Dinosaur Dance FloorŽ: a Jurassic Navajo Sandstone surface in the Vermilion Cliffs National Monument, Arizona

Brent H. Breithaupt, Marjorie A. Chan, Winston M. Seiler, Neffra A. Matthews

PALAIOS

.... Some of the elongate groove depressions described in Seiler and Chan (2008) and interpreted mistakenly as tail drags are also visibly lacking in other...

2021

Grain-Size Distributions, an Aid in Facies Identification

R. P. Glaister, H. W. Nelson

CSPG Bulletin

... advantage is that they allow study of the tail ends, which are believed to respond more sensitively than the central portion to specific energy...

1974

Late Devonian and Early Mississippian Paleogeography of the Death Valley Region, California

Gregory R. Albright

Pacific Section SEPM

... of lime mudstone beds. The presence of scoured and fluted contacts at the base of packstone beds, coarse-tail grading of bioclasts within the packstone...

1991

Scour-depth variability controls channel-scale stratigraphy in experimental braided rivers

Feifei Zhao, Vamsi Ganti, Ajay B. Limaye

Journal of Sedimentary Research (SEPM)

... is the mean value of the exponential tail of the probability density for channel depth, and α is the shape parameter of the distribution. Paola...

2024

Environmental and Diagenetic Controls of Carbonate and Evaporite Source Rocks

M. Malek- Aslani

GCAGS Transactions

... with calcite. The results of these experiments show development of horse-tail laminations and bedding characteristics which are very common in fine...

1980

Dan Field--Denmark Central Graben, Danish North Sea

Lars Nydahl Jorgensen

AAPG Special Volumes

... in thickness of the Jurassic sequence. There are more than 10,000 ft (3000 m) of Jurassic section in the Tail End graben compared with the 4000 ft (1200 m...

1992

Dispersion of tailings from the Stirling Zn-Pb-Cu mine site, Cape Breton Island, Nova Scotia

A. H. M. Hulshof, A. S. Macdonald

Atlantic Geology

... and Associates Limited, 1985). Extensive erosional features are observed within the tail­ ings im poundment but it is difficult to quantify the losses caused...

1998

Stylolites in Lower Cretaceous Carbonate Reservoirs, U.A.E.

Abdulrahman S. Alsharhan, James L. Sadd

Special Publications of SEPM

... Lithotypes Shuaiba Formation). This type of stylolite is similar to the to Shuaiba Formation type of stylolite tail horse stylolite Stylolites...

2000

Stratigraphy and sedimentology of shoreface and fluvial conglomerates: insights from the Cardium Formation in NW Alberta and adjacent British Columbia

Bruce S. Hart, A. Guy Plint

CSPG Bulletin

... facies include a) imbricated clast-supported conglomerate (about 8% of total conglomerate); b) graded (normal and coarse-tail grading) conglomerates...

2003

Slope and Submarine Fan Turbidite Facies of the Upper Devonian Imperial Formation, Northern Mackenzie Mountains, NWT

T. Hadlari, Y. Lemieux, S. A. Tylosky, W. G. Zantvoort, O. Catuneanu

CSPG Bulletin

... records upper flow regime plane beds that formed during passage of the flow; ripple cross-lamination records flow deceleration experienced at the tail...

2009

Dynamic Diversion: Influence of Longshore Current-Tidal Flow Interaction on Chenier and Barrier Island Plains

Thomas W. Todd

Journal of Sedimentary Research (SEPM)

... (unimodality) and by excellence of sorting. (4) Backslope and swale samples all contain a fine tail of silt and some clay. The percentage of material finer than...

1968

Downcurrent Changes in Sedimentary Structures in Ordovician Turbidite Greywackes

Barham Parkash

Journal of Sedimentary Research (SEPM)

... the upper part and part of the current close to tail gave rise to the upper part of the bed. The rain size decreased from bottom to top of the current, thus...

1970

Fracture Conductivity, Proppant Loading, and Well Performance in the Bakken

Craig Cipolla, Michael McKimmy, John Lassek, Sama Morsy, Mark McClure

Unconventional Resources Technology Conference (URTEC)

...%) with 100 mesh (90%) lead-in and tail-in of 20/40 mesh (20%) with 100 mesh (80%) pumping 20/40 mesh (10%) in between the 100 mesh (90%) combo proppant...

2025

Continental-shelf Sediments Off New Jersey

William M. Frank , Gerald M. Friedman

Journal of Sedimentary Research (SEPM)

... transport by saltation. The upper tail of the "S" represents sediment transport by suspension and the lower tail represents transport by surface creep...

1973

Porosity Variation in Carbonates as a Function of Depth: Mississippian Madison Group, Williston Basin

Alton Brown

AAPG Special Volumes

... and lack a tail of high-porosity samples. This effectively limits economic porosity in moderately to deeply buried Madison limestones to grain...

1997

Angularity and Silica Coatings of Simpson Desert Sand Grains, Northern Territory, Australia

Robert L. Folk

Journal of Sedimentary Research (SEPM)

... on an arithmetic scale, as a great number of grains have roundnesses (Dk/Di) between 0.05 and 0.15, but there is a long tail in the high roundness values up...

1978

Chemical Control of Carbonate Phases: Implications From Upper Pennsylvanian Calcite-aragonite Ooids of Southeastern Kansas

Bruce H. Wilkinson, Chris Buczynski, Robert M. Owen

Journal of Sedimentary Research (SEPM)

... cortices, strings of spastolithic (deformed) and elephantine (trunk-to-tail) connected ooids, and displaced nuclei. These and other reported...

1984

Subaqueous Pyroclastic Deposits in an Ordovician Fore-Arc Basin: An Example from the Saint-Victor Formation, Quebec Appalachians, Canada

Pierre A. Cousineau

Journal of Sedimentary Research (SEPM)

... a week inverse coarse-tail grading. Large shards with thick (0.04-0.2 mm) vesicle walls dominate at the top together with ash-size pumice (Fig. 6D...

1994

Experimental Study of the Compaction of Phyllosilicate-Bearing Sand at Elevated Temperature and with Controlled Pore Water Pressure

E.H. Rutter, P.H. Wanten

Journal of Sedimentary Research (SEPM)

... as the particle size distribution is shown for reference. The coarse tail of each distribution tends to remain constant with progressive compaction...

2000

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