A Mineralogical Study of Loess Near St. Charles, Missouri

Rosalie T. Oefelein

Journal of Sedimentary Research (SEPM)

... percentage of Fe203 in the beidellite in loess would thus be about 17 per cent. The index of refraction of beidellite has been found to increase...

The Petrographic Study of Clay Minerals--a Laboratory Note

Ralph E. Grim

Journal of Sedimentary Research (SEPM)

.... thick are then shaved off by using a razor blade, and are mounted in index of refraction liquids for the measurement of optical constants. The coated...

Abstract: The evolution of the Clew Bay Fault Zone (Baie Verte-Brompton Line) and associated zones in western Ireland

J. F. Dewey, P. D. Ryan

Atlantic Geology

... shortening and progressive flexure that induced cleavage "refraction" and increasingly steep bedding/cleavage intersection. Early fuchsite (after chromite...

Suggestions for the Facilitation of Grain Count with the Petrographic Microscope

William A. White

Journal of Sedimentary Research (SEPM)

... slip by unseen or receive, at best, a hasty diagnosis subject to the errors of quick judgment. Grains having an index of refraction nearly the same...

Foreword

AAPG Special Volumes

... and for the Marland Oil Corporation developed with increasing speed into the whirlwind refraction campaign, by many companies, which reached its climax...

New Data on the Deep Tectonics and Oil-Gas Prospects of the North Border of the Caspian Sea

I. A. Abbasov, R. I. Abramson, V. P. Avrov, I. K. Kerimova, L. M. Kazakova

Petroleum Geology: A Digest of Russian Literature

... profile VII (Zavolzhskaya-Zharsuat). 1-Interfaces based on refraction surveys; 2-interfaces based on reflection surveys; 3-probable interfaces...

Present Structure of the Lower Permian Sediments of the Dnieper-Donets Depression

R. I. Andreyeva, M. V. Chirvinskaya

Petroleum Geology: A Digest of Russian Literature

... uplifts along axes of dislocations; h-transverse compensation troughs; i-regional refraction profiles. Structures: 1-Ichinyan, 2-Monastyrishchen...

Oil-Gas Prospects of the Permian and Triassic Sediments of the Eastern Part of the Cis-Caucasus

V. V. Stasenkov, G. G. Gasanguseynov, F. G. Sharafutdinov, L. A. Roytman, L. S. Bagov, D. A. Mirzoyev

Petroleum Geology: A Digest of Russian Literature

... masses; e-outlines of projections of the Paleozoic basement established by refraction surveys; wells: f-wildcat, g-drilled parametric, h-planned...

Abstract: The Geophysical Characteristics and Evolution of Northern and Southern Margins of South China Sea (Paper 63)

Xia Kang-yuan, Zhou Di

Geological Society of Malaysia (GSM)

... ofabout40000km gravity and magnetic measurements, 10000 km multi-channel seismic lines, 20 sonobuoy refraction seismic stations, and 5 heatflow stations have...

Recent Ripple Marks at Giorgimpopoli, Libya: NOTES

George R. Wulf

Journal of Sedimentary Research (SEPM)

... on the west side of the tombolo so-called tadpole nests were observed to result from wave refraction around small shallows. In one locality ripple...

Modeling Waves and Circulation in Lake Pontchartrain, Louisiana

Richard P. Signell, Jeffrey H. List

GCAGS Transactions

... generation of waves by wind and shallow-water effects on waves (refraction, shoaling, bottom friction, and breaking). Long-term wind measurements...

Main Results of Exploration and Seismic Surveying on Devonian Clastic Sediments in the Orenburg Region

O. A. Khomentovskaya, V. S. Kovrizhkin, N. L. Prokhorov

Petroleum Geology: A Digest of Russian Literature

...-drilling, g-electrical surveys, h-gravimetry, i-seismic reflection surveys, j-seismic refraction surveys. Projections: 1-Paslikin, 2-Pilyuginsko-Ivanov...

Offshore Areas of Canadian Arctic Islands--Geology Based on Geophysical Data: Regional Arctic Geology of Canada

S. A. Bourne , A. E. Pallister

AAPG Special Volumes

... much of the Arctic Archipelago. Seismic profiles in marine areas of the southern Arctic Islands indicate a wide range of large structures; refraction...

Tectonics and Oil-Gas Potential of the Peri-Caspian Depression

S. Ye. Chakabayev, L. G. Kiryukhin, I. N. Kapustin, V. I. Samodurov, A. B. Galaktionov, L. F. Volchegurskiy

Petroleum Geology: A Digest of Russian Literature

... on both the surface of the basement and the entire sedimentary section. Other anomalies and basement highs do not correspond. Seismic refraction data...

Oil Prospects of the Sub-Salt Sediments of the Northeast Coastal Area of the Caspian

V. P. Avrov, M. B. Balgimbayev, L. M. Kazakova, V. V. Stasenkov, A. S. Fokin

Petroleum Geology: A Digest of Russian Literature

... of sub-salt sediments; 3-seismic horizon possibly at top of clastic Devonian; 4-basement according to refraction data; 5-geologic boundaries of sub-salt...

Structure and Oil-Gas Prospects of the Volga-Don Structure of Southwestern Peri-Caspia

N. D. Pavlov, V. M. Krivonosov, Yu. M. Romanov

Petroleum Geology: A Digest of Russian Literature

...); 2-geologic contacts; 3-surface of basement based on refraction data. Curves of gravity field: 4-local, 5-observed. 6-Gravity step; 7-zone of faults...

A High-Resolution Seismic Survey to Image the Top of Salt at Avery Island, Louisiana

Dawn Standridge, Cathy Bishop, Gary Kinsland, Robert Schneider, Laura Serpa

GCAGS Transactions

... of a seismic reflection technique to image the top of salt at Avery Island, Louisiana, In the past, several seismic refraction profiles were...

Template for Spacing Structure Contours: GEOLOGICAL NOTES

John C. Crowell

AAPG Bulletin

.... End_Page 2293------------------------------ refraction diagrams."(FOOTNOTE 4) White has described a cotangent rule for simplifying many structural...

Sediment Transport of Estuary Entrance Shoals and the Formation of Swash Platforms

George F. Oertel

Journal of Sedimentary Research (SEPM)

... occur seaward of Georgia estuary entrances is determined by processes of wave refraction, and the "dynamic diversion" processes described by Todd...

Extended Abstract: Basement Structure in the Northern Gulf of Mexico Province: Persistent Influence or Rejuvenated?

Michael Alexander, Karim Aimaddeddine

GCAGS Transactions

... seismic reflection and/or refraction depths. Other positive correlations with magnetic basement structure and bathymetry/ topography are illustrated...

Block Tectonics and Oil-Gas Prospects of Western Cis-Caucasus

B. K. Lotiyev

Petroleum Geology: A Digest of Russian Literature

.... Refraction surveys indicate that sediment thickness in the axial part of the downwarp is 12–14 km. The great thickness of the Cenozoic here...

Deep Subsurface of the Barents Sea Shelf along Profile DSS-82

M. L. Verba, A. D. Pavlenkin, Yu. V. Tulina

Petroleum Geology: A Digest of Russian Literature

..., 4-based on refraction data, 5-based on reflection data, 6-uncertain, 7-provisional, 3 - M-discontinuity; 8-faults; 9-clastic deposits of sedimentary cover...

Prospects for Finding New Oil and Gas Fields in the Upper Pechora Depression

A. A. Gromyko

Petroleum Geology: A Digest of Russian Literature

.... The earlier seismic surveys (reflection and refraction) did not disclose the structure satisfactorily. The initial drilling stage was in 1958-62, when several...

Prediction of Phase State of Hydrocarbons at Depths Greater than 5000 m in Tengiz Field

V. P. Perepelichenko, A. S. Rovenskaya

Petroleum Geology: A Digest of Russian Literature

... percent. The stage of catagenesis based on index of refraction of sapropelic organic matter ranges from MK-2 (Kenkiyak) to MK-5 (south Astrakhan zone...

An Improved Thin Section Stain for Potash Feldspar: METHOD PAPER

Michael D. Wilson, Surjit S. Sedeora

Journal of Sedimentary Research (SEPM)

... one or more of the following features: twinning, cleavage, alignment of micaceous alteration products along cleavage planes, indices of refraction...