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The AAPG/Datapages Combined Publications Database

Showing 5,752 Results. Searched 200,619 documents.

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Ascending

Landward Migration of Barrier Island Sands Under Stable Sea Level Conditions: Plum Island, Massachusetts: DISCUSSION

Carl H. Hobbs, III

Journal of Sedimentary Research (SEPM)

.... Annual percentage frequency of wind direction and speed for Boston, Massachusetts. The graph is aligned to compare the frequency of occurrence...

1979

Delta Formation: CLOSING REMARKS

Charles C. Bates

AAPG Bulletin

... in the Light of Experimental Fluid Mechanics," Papers in Phys. Ocean. and Meteor. (Massachusetts Inst. Tech. and Woods Hole Ocean. Inst.), Vol. 5, No. 1, pp...

1955

Mudlogging: The Mudlog: Part 3. Wellsite Methods

Alun Whittaker

AAPG Special Volumes

... and size of jets -- Bit run (time per feet drilled) -- Bit grade (wear and damage) -- Weight on bit -- Rotary speed -- Mud (standpipe pressure and flow...

1992

Silica Recrystallization in Petrified Wood

C. L. Stein

Journal of Sedimentary Research (SEPM)

.... All samples prepared in this manner were X-rayed in the region from 55° to 5°2, at a scanning speed of 1°2/min, chart speed 1/2 in./ min, 1000...

1982

Heavy Liquid and Solvent Recovery, an Economical Method: RESEARCH-METHOD PAPER

Peter Mileson, Lennart Jeppsson

Journal of Sedimentary Research (SEPM)

... heating, and by making sure that the temperature in the flask in the freezer does not rise significantly. Attempts to speed the process by further...

1983

Delta Formation: DISCUSSION

Charles C. Bates

AAPG Bulletin

... was to the effect that the writer maintained that a fraction of the issuing speed of the river water persisted to 200-2,000 channel widths seaward of the orifice...

1958

Effects of Natural and Artificial Thalassia on Rates of Sedimentation

M. N. Almasi , C. M. Hoskin , J. K. Reed, J. Milo

Journal of Sedimentary Research (SEPM)

... speed and direction on the amount of mud trapped within natural and artificial seagrass beds versus sandy areas. STUDY AREA The Indian River is a narrow...

1987

Procedure for Removing Heavy Minerals from Indurated Sedimentary Rocks Using Cold Hydrofluoric Acid: RESEARCH METHOD PAPER

Julie A. Roska, John J. W. Rogers

Journal of Sedimentary Research (SEPM)

... (Farrah and Moss 1966), and thus oxalic acid is preferred to citric acid. The acid will turn light yellow-green and should then be decanted...

1990

Currents in Submarine Canyons and Other Seavalleys

Francis P. Shepard, Neil F. Marshall, Patrick A. McLoughlin, Gary G. Sullivan

AAPG Special Volumes

... and now are essentially dormant features, disturbed only on rare occasions by high-speed turbidity currents of torrential proportions. Our research...

1979

Analytical Techniques for the Separation and SEM Identification of Heavy Minerals in Mudrocks: RESEARCH METHOD PAPER

M. A. Hanan, M. W. Totten

Journal of Sedimentary Research (SEPM)

... grains, and reduces rafting of heavy-mineral End_Page 1027----------------------- grains on lighter grains. A high-volume, large-diameter, low-speed...

1996

Research Methods Papers a Portable Drilling Rig for Coring Permafrosted Sediments

Warren Dickinson , Pat Cooper , Bain Webster , Jeff Ashby

Journal of Sedimentary Research (SEPM)

... speed varied from 0 to 180 rpm and was controlled by the trigger throttle on the Stihl motor. The motor was mounted on a frame with a torque bar which...

1999

Effect of Diapirism on Sedimentation in Gulf of Mexico

Jack R. Walker , H. Robert Ensminger

AAPG Bulletin

... in the Gulf of Mexico. During nearly 75 days at sea, more than 15,000 n. mi (27,800 km) of track was surveyed. The ship's speed for the entire cruise...

1970

Mainstream Mantle Convection: a Geologic Analysis of Plate Motion: DISCUSSION

Z. F. Danes

AAPG Bulletin

... value of the horizontal tidal perturbation in g; x is the east-west coordinate; c is the speed of propagation of the surface wave; and t is time...

1973

Catastrophic Rock Slide, Mount Huascaran, North-Central Peru, May 31, 1970: GEOLOGIC NOTES

J. M. Browning

AAPG Bulletin

... high. End_Page 1337------------------------------ material. It is difficult to conceive of a mass of this magnitude moving at a uniform speed...

1973

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