Kinematics of Sand Avalanches Using Particle-Image Velocimetry

Michael Tischer , Marcus I. Bursik , E. Bruce Pitman

Journal of Sedimentary Research (SEPM)

... at the head and decreases towards the tail. Those particles pushed to the edge of the flow as it widens lose momentum and eventually stop. This leads...

How to Reduce Rod Pump Failures by 40% in 2 Years - The X Field Story

Japet Dongoran

Indonesian Petroleum Association

... installation SOP improvements. 3. Rigorous review and approval process for repeated and premature failures. 4. Installation of unique tail screens...

Africa: Great Frontier: World Hydrocarbons Past, Present, and Future

Duncan Clarke

Search and Discovery.com

... in the shaping of the industry and its evolution. The various phases of exploratory drilling and hydrocarbon discovery span over a century. Africa...

Mid Cretaceous Source Rock Enigma

Rasoul Sourkhabi

GEO ExPro Magazine

... Bulletin, 1972). This concept opened a new way of looking into Earth's deep processes. As a plume approaches the Earth's crust it flattens into a large head...

The Role of Erosion by Fish in Shaping Topography Around Hudson Submarine Canyon

David C. Twichell, Churchill B. Grimes, Robert S. Jones , Kenneth W. Able

Journal of Sedimentary Research (SEPM)

... m, and the mean depth is 1.7 m (Grimes et al., in press). Burrows are dug for protection as fish enter burrows head first and exit tail first (Fig...

Fine-grained Paleogene Terrigenous Turbidites in Barbados

David C. Kasper, David K. Larue, Yvonne J. Meeks

Journal of Sedimentary Research (SEPM)

... developed morphologic head, neck, body, and tail, or 2) muddy, low-density, low-velocity turbidity currents. After initial downslope acceleration, many flows...

Abstract: Architecture and Construction of a Mega-Scale Point Bar Complex, False River, Louisiana; #90311 (2017)

Peter D. Clift, Elizabeth Olson, Juan Lorenzo, Allison Barbato, Alexandra Lechnowskyj

Search and Discovery.com

... bar are harder to substantiate as there are coarse sandy sediments at the bar head, apex, and tail, although the bar tail does contain the bulk...

Abstract: The head and tail of the Voiseys Bay feeder dyke

Chusi Li, Edward M. Ripley

Atlantic Geology

...Abstract: The head and tail of the Voiseys Bay feeder dyke Chusi Li, Edward M. Ripley 249 Atlantic Geology The head and tail of the Voisey’s Bay...

Stratal Architecture and Morphodynamics of Downstream-Migrating Fluvial Point Bars (Jurassic Scalby Formation, U.K.)

Massimiliano Ghinassi, Alessandro Ielpi

Journal of Sedimentary Research (SEPM)

... in shaping Early Pennsylvanian braided rivers: architecture of the Boss Point Formation, Atlantic Canada: Sedimentology, v. 61, p. 1659–1700. Jackson...

Concentric Marks: Current Indicators: NOTES

K. Werner Barthel

Journal of Sedimentary Research (SEPM)

... of water. With the sinker removed, the fish was stuck head first into the mud. Manipulating the tail portion with pincers similar to the movement...

Skeletal trauma with implications for intratail mobility in Edmontosaurus annectens from a monodominant bonebed, Lance Formation (Maastrichtian), Wyoming USA

Bethania C.T. Siviero, Elizabeth Rega, William K. Hayes, Allen M. Cooper, Leonard R. Brand, Art V. Chadwick

PALAIOS

... principally in the middle and mid-distal regions of the tail, while fractures of the vertebral centra are present primarily in the distal tail region...

Turbidity-Current Experiments: ABSTRACT

Gerard V. Middleton

AAPG Bulletin

.... The results show that the shape of the head, the initial velocity, and the relation between the velocity of the head and its thickness and density are very...

Rock and Fluid-based Correlation to Describe Surfactant Molecular Structure's Impact on Spontaneous Imbibition Experiments' Performance

Abhishek Sarmah, Isaiah Z. Ataceri, Rohan Vijapurapu, Jingjing Zhang, Hadi Nasrabadi, David Schechter

Unconventional Resources Technology Conference (URTEC)

... are amphiphilic molecules consisting of a hydrophobic tail and a hydrophilic head. Based on the hydrophilic head group's nature, surfactants can be broadly...

Shallow Seismic Reflection Images of Modern Point Bar Deposits, False River, Louisiana

Search and Discovery.com

Planform and stratigraphic signature of proximal braided streams: remote-sensing and ground-penetrating-radar analysis of the Kicking Horse River, Canadian Rocky Mountains

Natasha N. Cyples, Alessandro Ielpi, Randy W. Dirszowsky

Journal of Sedimentary Research (SEPM)

...: Sedimentology, v. 63, p. 1550– 1581. Ielpi, A., Gibling, M.R., Bashforth, A.R., Rygel, M.C., and Al-Silwadi, S., 2014, Role of vegetation in shaping...

Relationship Between Grain Size Parameter Distribution and Current Patterns in the Gironde Estuary (France)

George P. Allen

Journal of Sedimentary Research (SEPM)

..., it is apparent that the ebb tide currents probably play the dominant role in the shaping of the grain size facies; but not necessarily the transport...

Characteristics of Diapirs on the Outer Continental Shelf-Upper Continental Slope Boundary, Northwest Gulf of Mexico

Anita R. Trippet

GCAGS Transactions

... arcuate tail is probably the result of salt squeezed out from under individual depositional basins or individual deltaic sediment prisms toward...

Recent and Ancient Turbidites and Contourites

Arnold H. Bouma

GCAGS Transactions

..., such as a dilution zone within the turbidity current caused by faster movement of the head and front part than the tail part. The tail part, with its finer material...

Lower Desert Creek Reservoirs in the Paradox Basin: Examples of Phylloid Algae Filling Depositional Lows Related to Salt Dissolution

J. Paul Matheny, Mark W. Longman

Rocky Mountain Section (SEPM)

... thousand years. Diagenetic events shaping the lower Desert Creek reservoirs include: 1) marine cementation at the base of the phylloid algal deposits...

Characteristics of Gravel Bars in Ephemeral Streams

Marwan A. Hassan

Journal of Sedimentary Research (SEPM)

... in the text. Gravel sheets (h < 4D) form from freshly deposited gravel with no distinct head or tail. Some unit bars and gravel sheets are partially...

The Northwest Atlantic Mid-Ocean Channel of the Labrador Sea: III. Head Spill Vs. Body Spill Deposits from Turbidity Currents on Natural Levees

S. K. Chough , R. Hesse

Journal of Sedimentary Research (SEPM)

... and turbidity currents develop a characteristic longitudinal profile comprising three morphologically distinct regions (Fig. 1A): head, body, and tail (Schmidt...

Mixing at Turbidity Current Heads, and Its Geological Implications

J. R. L. Allen

Journal of Sedimentary Research (SEPM)

...Mixing at Turbidity Current Heads, and Its Geological Implications J. R. L. Allen 1971 Vol. 41 No. 1. (March), The shape of the head of a turbidity...

The Eocene and Oligocene Paleo-Ecology and Paleo-Geography of Whale Valley and the Fayoum Basins: Implications for Hydrocarbon Exploration in the Nile Delta and Eco-Tourism in the Greater Fayoum Basin, #10030

John Dolson, Ahmed El Barkooky, Fred Wehr, Philip D Gingerich, Nina Prochazka, Mark Shann

Search and Discovery.com

... the origin. Bearing of head relative to the trailing skeleton was recorded in the field, to the nearest five degrees, using a brunton compass. Eight...

Abstract: Pleistocene glacial history of the Petitcodiac area, southeastern New Brunswick

A. G. Pronk, G. M. Allaby, B. E. Broster

Atlantic Geology

... of the study area drumlinoid 71 features, rat-tail and nail head striations, and dispersal patterns record a late easterly flow event. It is likely...

Seismic Activity in the Central Gulf Coast Basin

Eugene R. Brumbaugh

New Orleans Geological Society

... 3C). The flat base is composed of the Buckner-Smackover-Norphlet sequence and the adjacent domes are the head and the tail. The economic significance...