Cretaceous-Tertiary Boundary Stratigraphy near San Antonio, Orange Walk District, Belize, Central America

David T. King, Jr.

GCAGS Transactions

... the top of some cycles, voids (vugs) several centimeters across suggest a former presence of nodular evaporite minerals. The lower facies in each...

A case study and model of shallow water flow (SWF) from Sabah deepwater drilling operations, offshore Malaysia

Steve McGiveron, John Jong

Geological Society of Malaysia (GSM)

... of the top challenges facing deepwater drilling, in addition to other geohazards including shallow gas, gas hydrates, seabed instability and man-made debris...

The Permian of the Western Margin of the Greenland Sea--A Future Exploration Target

F. Surlyk, J. M. Hurst, S. Piasecki, F. Rolle, P. A. Scholle , L. Stemmerik, E. Thomsen

AAPG Special Volumes

... and Lower Triassic shales that may act as a seal. This has implications for the Norwegian shelf north of lat. 62°N. There are good reasons to believe...

Propagating of Hydraulic Fractures from Horizontal Wellbores: Effects of In-situ Stress and Near Wellbore Stress Redistribution

Qian Gao, Desheng Zhou, Ahmad Ghassemi, Xiong Liu, Yafei Liu, Minhao Guo

Unconventional Resources Technology Conference (URTEC)

...er d, is introduced to interpolate between cracked (d = 1, broken completely) and intact states (d = 0) of a material. The phase-field parameter d is sim...

A Sedimentologic Description of a Microtidal, Flood-Tidal Delta, San Luis Pass, Texas

Alan M. Israel , Frank G. Ethridge, Ernest L. Estes

Journal of Sedimentary Research (SEPM)

... of both intact and fragmented oyster shells in a very fine-grained sand or sandy clay matrix (Fig. 5K) and fragmented shell-hash deposits (Fig. 5L, top...

Structural and Geochemical Study of the South Sulphur Asphalt Deposits, Murray County, Oklahoma

Daniel B. Williams

Oklahoma City Geological Society

.... In PWS 22 the limestone is described as finely crystalline, medium gray, with two 25-foot sand layers 25 and 60 feet below the top of the limestone...

Fracture stratigraphy, stress, and strain evolution in shale succession of the lower Paleozoic Baltic Basin (Poland)

Marek Jarosiński, Kinga Bobek, Andrzej Głuszyński, Krzysztof Sowiżdżał, and Tomasz Słoczyński

AAPG Bulletin

...). This succession comprises six lithostratigraphic formations (from top to bottom) (Modliński and Podhalańska, 2010) (Figure 1B): (1...

Salvaged Stills: The Story of the Worlds Smallest Refinery

Nadia White

Petroleum History Institute

...: A small refinery in eastern Wyoming may be the last intact example of a 19th century petroleum refinery. The stills in the C&H Refinery were made...

Spectacularly Preserved, Mollusc-Dominated Fauna from a Cavity Layer in the Lower Cretaceous Edwards Formation, Central Texas

Linda McCall, James Sprinkle, and Ann Molineux

GCAGS Transactions

... to weather out intact, although many fossils found near the center of pockets have chemically etched surfaces. The mollusc-dominated cavity...

Lithologic and Diagenetic Sequences of the Monterey Formation, Molino Field, Offshore Santa Barbara, California

Nancy W. Hinman, Daniel E. Schwartz

Special Publications of SEPM

... fault blocks. STRUCTURE CONTOURS NEAR TOP MONTEREY 2000 and reservoir by thick CALIFORNIA OFFSHORE 0 shale, SCALE IN FEET IG019006501-1 Figure 2...

Continental Margin Around the Western Coral Sea Basin: Structural Elements, Seismic Sequences, and Petroleum Geological Aspects

P.A. Symonds, J. Fritsch, H.-U. Schluter

Circum Pacific Council Publications

... developed and still intact adjacent to the Australian continental shelf but is not as prominent beneath the opposing margins of the Papuan and Queensland...

Indications of Mountain Glaciation in the Sacramento Mountains of Southern New Mexico

John L. Walton, Tommy R. Woodward, J. Frank Woodward

West Texas Geological Society

... meters (400 feet) long and has a top width of about 152 meters (500 feet). The till of the moraines is made up of black organic topsoil scoured from...

Introduction

Dallas Geological Society

... survived–largely intact–again chiefly because they are intuitively acceptable to one seeing the Cut Plain for the first time, or seeing Cut Plain...

Slope Stability Problems in a Part of Western Singapore

John Pitts

Geological Society of Malaysia (GSM)

..., these effects would have been destroyed . Tests to check this are to be carried out at NTI on intact samples at an appropriate range of natural...

General Geology of the Northern Coast Ranges and the Wilbur Springs Area

Christine Canson

Special Publications of SEPM

... stratigraphic relations are only locally preserved in large tectonic slabs and thrust sheets. Thrust sequences 'top" eastward and "young" to the west...

Improving Drilling Performance in an Area of High Tectonic Stress in the Llanos Foothills of Colombia

Nigel Last, Paul Sullivan, Richard Herbert

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... the lower mud weight limit is that required to prevent conventional breakout of the intact shales, whereas the upper limit is the minimum stress so...

Zeolite-Opal Rocks from the Western Wichita Mountains, Oklahoma

Matt Hamilton

Oklahoma City Geological Society

... a faint breccia fabric (Fig. 1), and had a couple of thin sections prepared. Figure 1. (Top) Google Earth map indicating the source locality...

Geology of the Carlsbad Caverns

Neal R. Bullington

West Texas Geological Society

... as Top of the Cross. The joints do not display the features one would expect if they were the result of mountain-building forces. Almost certainly...

Mississippian-Pennsylvanian Boundary in Southwestern Colorado

William M. Merrill and Richard M. Winar

Rocky Mountain Association of Geologists

... the Leadville limestone is absent and the Coalbank Hill rests on the Ouray limestone, The contact appears gradational; the top of the Ouray is redstained...

Do Air-Filled Caves Cause High Resistivity Anomalies? A Six-Case Study from the Edwards Aquifer Recharge Zone in San Antonio, Texas

Mustafa Saribudak, , Alfred Hawkins, , and Kim Stoker

Houston Geological Society Bulletin

... of sediments accumulates in caves and can be preserved more or less intact for long periods of time (Palmer, 2007). Presence of sand and gravel and clay...

Some Features Of Modern Beach Sediments

Joseph M. Trefethen, Robert L. Dow

Journal of Sedimentary Research (SEPM)

... by bevelling the ripples. In the photo many of the Mya have both valves intact and together. This figure may help to explain certain distributions...

The control of hydrothermal dolomitization and associated fracturing on porosity and permeability of reservoir facies of the Upper Devonian Jean Marie Member (Redknife Formation) in the July Lake area of northeastern British Columbia

Jack Wendte, Alan Byrnes, David Sargent

CSPG Bulletin

... up through fault conduits, resulting in the formation of patchy metre-thick dolostones at the top of the Jean Marie, close to the faults...

Methodology of Mechanical Analysis of Subaqueous Sediments

Nikola P. Prokopovich, Charles K. Nishi

Journal of Sedimentary Research (SEPM)

..., constructed and operated by the Federal Bureau of Reclamation, is 117 miles long, about 17 feet deep, and 100 feet wide at the top. Several winter...

Effect of Tube-Building Polychaetes on Intertidal Sediments of the Minas Basin, Bay of Fundy

Raymond P. Featherstone , M. J. Risk

Journal of Sedimentary Research (SEPM)

... coiled feces from the top of its tube. During tube construction, sand grains too large for ingestion are manipulated into place by the lips...

The Effects of Callianassa Bioturbation on the Preservation of Carbonate Grains in Davies Reef Lagoon, Great Barrier Reef, Australia

Alexander W. Tudhope, Terence P. Scoffin

Journal of Sedimentary Research (SEPM)

... disarticulated and stacked subhorizontally, commonly preferentially concave upwards. Though none of the tunnels revealed on air-lifting were detected intact...