Thrust Systems

Steven E. Boyer , David Elliott

AAPG Bulletin

... started with a tapered Atlantic-type continental margin of normal (19 to 22 mi; 30 to 35 km) thickness on the foreland craton. This continental crust...

Middle Cenozoic Depositional, Tectonic, and Sea Level History of Southern San Joaquin Basin, California

Peter G. Decelles

AAPG Bulletin

... flows were not classical turbidity currents. The thin tapered beds of sandstone that extend outward from several channels probably resulted from...

Characterization and development of subsurface fractures observed in the Marcellus Formation, Appalachian Plateau, north-central Pennsylvania

Scott Wilkins, Van Mount, Keith Mahon, Andrew Perry, and Jon Koenig

AAPG Bulletin

... (on the order of ∼3000 ft [0.9 km]), consistent with a critically tapered wedge model of the thrust belt that thickens toward the hinterland. Evans...

Early Surface and Subsurface Investigations of the Western Canada Sedimentary Basin: Chapter 5

J. W. Porter

AAPG Special Volumes

... during the latter part of the 19th century. The derrick consisted of a four-sided tapered structure framed by horizontal and diagonal supports. Timber...

Arabian Upper Jurassic Carbonate Reservoir Rocks

R. W. Powers

AAPG Special Volumes

... of what originally must have been siliceous monaxon sponge spicules. Nowhere in the Arab-D was original sponge debris recognized. The perfect, tapered...

Carbonate-Evaporite Cycles in Lower Duperow Formation of Williston Basin

James Lee Wilson

CSPG Bulletin

...). -- These tiny spicular pieces generally have a blunt end, a slighly tapered opposite end, End_Page 250------------------------ Figure 6. Cross-section...

Systematic ichnology of the Mabou and Cumberland groups (Carboniferous) of western Cape Breton Island, eastern Canada, 1: burrows, pits, trails, and coprolites

Dave G. Keighley, Ron K. Pickerill

Atlantic Geology

..., a more pustulose ribbon was preserved, to­ gether with a central to excentric, overprinting groove, likely formed by the tapered abdomen o f an insect...

Oligocene Neritic Foraminifera in Southern Australia: Spatiotemporal Biotic Patterns Reflect Sequence-Stratigraphic Environmental Patterns

Graham Moss, Brian Mcgowran

Special Publications of SEPM

... Globocassidulina Biconvex trochospiral Ammonia tapered and cylindrical Amphicoryna Bolivina* Brizalina Bulimina* Dentalina Fursenkoina* Nodosaria...

Integrated Cyclostratigraphy of a Model Mesozoic Carbonate Platform„The Latemar (Middle Triassic, Italy)

Rainer Zühlke

Special Publications of SEPM

.... 12.—Multi-tapered harmonic analyses of the complete cyclic series in the Latemartürme reference section (LCF–UTF). A) Color bars indicate ratios...

AAPG Annual Convention and Exhibition, Making the Next Giant Leap in Geosciences, April 10-13, 2011, Houston, Texas, USA, #90124 (2011)

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Actualistic Studies of the Spatial and Temporal Distribution of Terrestrial and Aquatic Organism Traces in Continental Environments to Differentiate Lacustrine from Fluvial, Eolian, and Marine Deposits in the Geologic Record

Stephen T. Hasiotis, Brian F. Platt, Mark Reilly, Kathryn Amos, Simon Lang, David Kennedy, Jonathan A. Todd, Ellinor Michel

AAPG Special Volumes

... was a large and shallow ovate-shaped dwelling burrow the size of the clam that tapered in the direction where the siphons were open to the surface (Figure...

2010 AAPG Annual Convention "Unmasking the Potential of Exploration & Productio", April 11-14, 2010, New Orleans, Louisiana, #90104 (2010)

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Paleontological Field Guides Northern Canada and Alaska

Samuel J. Nelson

CSPG Bulletin

... Silurian. Figure 7 is complete; Figure 4 is a pygidium. Commonly, only the pygidium is found. It is recognized by its tapered outline, and the rather short...

Geology of Millard County, Utah (B-133)

Lehi F. Hintze, Fitzhugh D. Davis

Utah Geological Survey

... tapered pipe, which may be as much as several inches in diameter and up to a few feet in length. Commonly they are encased in a bed of solid limestone...