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The AAPG/Datapages Combined Publications Database

Showing 6,289 Results. Searched 200,642 documents.

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Abstract: Predrill Assessment/Prediction of Sandstone Porosity and Permeability in Frontier and Mature Areas

Salman Bloch

Geological Society of Malaysia (GSM)

.../prediction of sandstone porosity and permeability in frontier and mature areas SALMAN BLOCH Laporan (Report) Salman Bloch of Texaco Upstream Technology...

2002

Abstract: Apatite chemistry as a pathfinder for tungsten skarn deposits, Cantung District, Northwest Territories, Canada

David M. Lewis, Jacob J. Hanley

Atlantic Geology

... Microscope (SEM). The heavy mineral separates were gathered from upstream and downstream of the Cantung deposit along the Flat River valley...

2016

Abstract: Field Study to Identify River Plume Extension of Kerian River Discharge during Neap Tide and Spring Tide

Eko March Handoko Bin Masyhur, Wan Nursyafiqah Wan Jusoh, Mohd Noordin Abu Bakar

Geological Society of Malaysia (GSM)

... during neap tide and suppressed upstream during spring tide into 2 km seaward from the river mouth. Warta Geologi, Vol. 43, No. 3, July – September...

2017

Facies and Development of the Colorado River Delta in Texas: ABSTRACT

W. H. Kanes, Dana Wells, A. C. Donaldson

AAPG Bulletin

... of deltaic sediments now dividing Matagorda Bay was deposited in the 6-year period following removal of an upstream log jam. Continuous cores (37...

1965

Columbia River Sand Waves: ABSTRACT

John T. Whetten, Timothy J. Fullam

AAPG Bulletin

... of the Columbia River bottom from near the mouth at Astoria, Oregon, upstream to The Dalles (including Bonneville Reservoir), a distance of 280 kilometers...

1967

Foraminiferal Densities and Environmental Variables: Use of Statistical Models to Examine Estuarine Environment: ABSTRACT

Martin A. Buzas

AAPG Bulletin

... statistical models. A pilot study in the Choptank River, Maryland, indicated that Elphidium clavatum density decreases progressively upstream, whereas...

1969

Antidune Cross-Stratification in Turbidite Sequence, Cloridorme Formation, Gaspe, Quebec: ABSTRACT

Keith Skipper

AAPG Bulletin

..., single set cross-stratification, considered to have been produced by the upstream migration of antidunes, is present in the basal division...

1970

History and Anatomy of Arkansas River Sand Bar Near Tulsa, Oklahoma: ABSTRACT

Richard Steinmetz

AAPG Bulletin

... patterns which existed during deposition. The sand bar studied is in the Arkansas River valley approximately 10 mi upstream from Tulsa. From aerial...

1971

Uniquely Rounded Desiccation Columns Near Euphrates River, Northwestern Iraq--Produced by Prolonged Erosion in Arid Climate: ABSTRACT

James R. Underwood, Jr., Y. Y. Youash, George Philip

AAPG Bulletin

... mudstone desiccation columns averaging 2 ft in diameter and ranging in height from 2 to 4 ft were seen in the bed of a wadi 200 yd upstream from its...

1971

Response of Streams to Structural Uplift: ABSTRACT

L. H. Lattman

AAPG Bulletin

... in lithology or in tributary streams. Decreases in gradient (such as upstream from a structure) result in increased channel width-depth ratio and increases...

1972

Transport Processes for Lower Paleozoic Resedimented Conglomerates of Appalachians: ABSTRACT

Roger G. Walker, Ian C. Davies

AAPG Bulletin

... of the pebbles dip upstream (rather than lying horizontal, transverse to flow) and indicate flow toward the southwest, parallel with the present tectonic...

1973

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

David M. Rubin

AAPG Bulletin

... deposited at the base of lee slopes but not subsequently eroded at the upstream stoss slopes, is left behind. Bed forms decrease in size as sand is thus...

1980

Atchafalaya Delta--Louisiana's New Prograding Coast: ABSTRACT

Ivor Ll. Van Heerden, Harry H. Roberts

AAPG Bulletin

... of the Atchafalaya delta constitutes one of the most significant geologic events in historical times within the Mississippi Delta complex. Periodic upstream...

1980

Response of Rio Grande River to Dam Construction: ABSTRACT

Peter F. Lagasse

AAPG Bulletin

... sediment load derived from upstream scour encountered a slightly reduced gradient and depletion of main channel flow by successive irrigation diversions...

1981

Dispersal and Provenance of Terrigenous Sand by Fourier Grain Shape Analysis, Northern Puerto Rico: ABSTRACT

Emery D. Goodman, Robert Ehrlich

AAPG Bulletin

... on the eastern shelf are mostly relict. Quartz sand shapes do not change significantly with changing size either upstream or on the shelf. A size-shape...

1982

Evolution of Transgressive Deltaic Environments on Louisiana Coast: ABSTRACT

Shea Penland, Ron Boyd

AAPG Bulletin

... sedimentation is dominated by the process of delta switching. Upstream distributary diversion during the Holocene Epoch periodically shifted the depocenter...

1982

Channel-Fill Deposits Formed by Aggradation in Deeply Scoured, Superimposed Distributaries of Lower Kootenai Formation: ABSTRACT

John C. Hopkins

AAPG Bulletin

... with upstream diversion of a trunk river system. Sand and mixed sand-mudfills predominate where a distributary is progressively abandoned...

1984

High-Resolution Seismic Stratigraphy of North Carolina Continental Margin, Cape Fear Terrace: Sea Level Cyclicity, Paleobathymetry, and Gulf Stream Dynamics: ABSTRACT

Thomas D. Matteucci, Albert C. Hine, Stephen W. Snyder, Stanley Riggs

AAPG Bulletin

... yielded a ter ace feature with preferential erosion on the upstream side. Subsequent deposition in the terrace region may have resulted during fairly...

1985

Regional Analysis of Distribution of Catskill Deltaic Sands in Northern West Virginia: ABSTRACT

Ray M. Boswell

AAPG Bulletin

... from fluctuations in sediment supply related to upstream avulsion or stream capture. Isolith maps of multiple sandstones of intervals...

1985

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