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The AAPG/Datapages Combined Publications Database

Showing 21,159 Results. Searched 200,636 documents.

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Depositional Setting of Middle Dolomite Unit in Metaline Formation, Metaline District, Washington: ABSTRACT

Jerry L. Harbour

AAPG Bulletin

... environment. Deposition occurred as a complex mosaic of subtidal, intertidal, and supratidal environments in a restricted lagoonal and broad tidal-flat...

1980

Seabed Characteristics and Sand Dispersal on Bedrock-Dominated Inner Shelf of Southern Labrador: ABSTRACT

Gerald E. Reinson, Gustav Vilks

AAPG Bulletin

... of the Precambrian Shield landmass, and an outer shelf zone consisting of broad, flat banks mantled by thick deposits of glacial drift. The inner shelf north...

1980

Two Controls of Sand-Wave Size: Dynamic Equilibrium Processes and Kinematic Depositional-Erosional Processes: ABSTRACT

David M. Rubin

AAPG Bulletin

..., for a constant depth and sediment size, until flows become transitional with the upper flat-bed phase. Additional non-equilibrium processes operate at a site...

1980

Experimental Compaction of Lime Sediment: ABSTRACT

Eugene A. Shinn, Daniel M. Robbin, Randolph P. Steinen

AAPG Bulletin

... in-situ cores of modern lime sediments, including environments from tidal flat to shallow marine, have been compressed under loads simulating depths...

1980

Geomorphic Features of Shelf-Slope Revealed by Sidescan Sonar Images: ABSTRACT

Dennis W. O'Leary, William B. F. Ryan

AAPG Bulletin

... as 3 m across. The midrange images show that the outer edge of the shelf, deeply embayed by submarine canyons, outlines a nearly flat surface marked...

1981

Late Pleistocene and Holocene Sedimentary History of Great Salt Lake, Utah: ABSTRACT

R. J. Spencer, H. P. Eugster, K. Kelts

AAPG Bulletin

... margins as parallel flat laminae or thin beds; basinward flaser laminae are present and toward the center disrupted intervals occur. A similar variation...

1981

Sedimentologic Framework of Green River Formation, Wyoming: ABSTRACT

Ronald C. Surdam, K. O. Stanley

AAPG Bulletin

... formed as a result of periodic flooding and drying of the playa fringe (carbonate mud flat), where carbonate muds were saturated with saline-alkaline...

1981

Paleogeographic Setting and Depositional Environments of Santa Margarita Formation, Ventura County, California: ABSTRACT

Devin R. Thor

AAPG Bulletin

.... Facies D was deposited behind the barrier complex in hypersaline lagoon, evaporitic intertidal-flat, and supratidal-falt environments. Facies E...

1981

Atchafalaya Mud Stream and Recent Mud Flat Progradation: Louisiana Chenier Plain: ABSTRACT

John T. Wells, G. Paul Kemp

AAPG Bulletin

...Atchafalaya Mud Stream and Recent Mud Flat Progradation: Louisiana Chenier Plain: ABSTRACT John T. Wells, G. Paul Kemp 1981 1689 1690 65 9...

1981

Evaporitic Lacustrine Environments of Canadian Plains: ABSTRACT

W. M. Last, M. Egan, T. Schweyen

AAPG Bulletin

... distribution, with a saline mud flat/sand flat occurring nearest the shore, followed by an ephemeral lake zone, and possibly a perennial lake. Although...

1982

Tidal Deposition of Cypress, Ridenhower, and Bethel Sandstones (Chesterian, Late Mississippian), La Salle Anticlinal Belt, Lawrence and Crawford Counties, Illinois: ABSTRACT

Beverly Seyler

AAPG Bulletin

..., and sedimentary structures show that these sandstones were deposited in tide-dominated deltaic, tidal-flat, and subtidal environments. Coarsening upward...

1982

Lower Cretaceous Viking Barrier Island, Southwestern Alberta, Canada: ABSTRACT

Levi C. Amajor

AAPG Bulletin

..., back-barrier mud flat, marshy lagoon and overwash, mixed tidal flat, tidal creek channel, and overbank. This sequence differs slightly from...

1984

Morphologies of Gypsum on a Modern Sabkha: Clues to Depositional Conditions: ABSTRACT

Barbara Castens-Seidell

AAPG Bulletin

...: flat plates, acicular prisms, bladed prisms, blocky prisms, blocky hemipyramids, discoidal hemipyramids. Flat plates (< 0.5 mm wide) and acicular prisms...

1984

Evolution of a Carbonate-Siliciclastic Platform: Middle to Upper Cambrian of Western Newfoundland: ABSTRACT

N. Chow, N. P. James

AAPG Bulletin

... by stromatolite and thrombolite mounds and storm-derived deposits, such as flat-pebble conglomerates. The Port au Port sequence records cyclic migrations...

1984

Textures Formed During Shallow Water Halite Deposition--An Example from Permian of Palo Duro Basin, Texas: ABSTRACT

Susan D. Hovorka

AAPG Bulletin

... and reinitiated halite deposition. Halite precipitation ceased when brine supply decreased and the flat became emergent. Mudstone was transported onto the flat...

1984

Geology of Oscar Range (Devonian) Reef Complex, Canning Basin, Western Australia: ABSTRACT

Neil F. Hurley

AAPG Bulletin

... in the southern Oscar Range. Dolomite is best developed in Frasnian back reef and, to a lesser extent, in reef-margin and reef-flat subfacies. In the area...

1984

Porosity Development and Dedolomitization in Bass Islands Dolomite of Kentucky: ABSTRACT

Richard Smosna

AAPG Bulletin

... mud flat (evaporite minerals and desiccation features), intertidal flat (algal stromatolites), tidal channels (intraclasts), and beach ridges...

1984

Stratigraphy and Depositional Environment of Middle Member of Minnelusa Formation, Central Powder River Basin, Wyoming: ABSTRACT

Robert J. Desmond, Jr., James R. Steidtmann, Donald F. Cardinal

AAPG Bulletin

... parts of the area, the proximity of the Lusk embayment and fluctuations in sea level caused frequent flooding of a broad, flat sabkha surface over which...

1984

Stratigraphy and Facies Analysis of Upper Kaibab and Lower Moenkopi Formations in Southwest Washington County, Utah: ABSTRACT

John Jenson

AAPG Bulletin

... tidal-flat environments. Facies analysis shows seven lithofacies, including gypsum, dolomitic and calcareous mudstone, dolomitic and calcareous...

1984

Paleoenvironmental and Diagenetic Analysis of Wichita Group, Palo Duro Basin, Texas Panhandle: ABSTRACT

Mary L. Green

AAPG Bulletin

.... An interbedded series of dolomitic, anhydritic, and terrigenous clastic lithofacies reflect deposition in inner shelf and evaporitic tidal flat environments...

1985

Holocene Carbonate Facies of Pulau Seribu Patch-Reef Complex, West Java Sea: ABSTRACT

Clifton F. Jordan, Jr., Richard J. Wharton, Rufus E. Cook

AAPG Bulletin

... analysis) shows the extent of reef-crest, reef-flat, beach, island, reef-slope, and lagoonal facies. The reef crest is fairly narrow, flat, continuous...

1985

Major Discoveries in Eolian Sandstone: Facies Distribution and Stratigraphy of Jurassic Norphlet Sandstone, Mobile Bay, Alabama: ABSTRACT

Joel B. Levy

AAPG Bulletin

... Hill or Louann evaporites. Three facies of the Norphlet have been recognized: (1) a thin (20-30 ft) basal wet sand flat or sabkha facies, (2) a massive...

1985

Reservoir Description Applied to Iatan East Howard Field, Mitchell County, Texas: ABSTRACT

Stephen M. Mitchell

AAPG Bulletin

... porosity zones cut by vertical fractures. Porosity development is controlled by facies zonation from a tidal flat similar to that on Andros Island...

1985

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