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The AAPG/Datapages Combined Publications Database

Showing 329 Results. Searched 191,754 documents.

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Abstract: High Resolution Seismic Refraction Survey in Urban Area (Paper B24)

Wan Suriani A Raman, Zuhar Tuan Harith

Geological Society of Malaysia (GSM)

... 30 stacks. The collected data then processed using the IXRefrax software. All lines show a two layer case where the first layer is around 7 m - 16 m...


Depth of Penetration of Geophysical Exploration Methods as Applied in Shallow Engineering Geological Investigations

Abdul Ghani Rafek

Geological Society of Malaysia (GSM)

... layer thickness. A number o f estim ates for the depth of penetration are known when using the refraction seismic method. Bullock (1978) estim ates...


ABSTRACT: Evolution of a Near-Surface Model in an Area of Complex Topography; #90051 (2006)

Michael L. Pittman, Ralph Bridle, Robert E. Ley, II, Ameera A. Mustafa

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... anomalies was inappropriate for recently acquired 3D seismic data. Local anomalies were still evident after building a two-layer model that defined...


Abstract: Interferometric Approach to Complete Refraction Statics Solution; #90187 (2014)

Valentina Khatchatrian and Mike Galbraith

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... statics corrections. A two layer near surface model has been built to compute refraction statics. Figure 8 shows the brute stack (CMP) before...


Upper Crustal Structure Derived from Seismic Refraction Experiments: Grand Banks of Eastern Canada

I. Reid, C.E. Keen

CSPG Bulletin

... these structural variations, which are exhibited in the seismic refraction data presented here. Because of the discrepancy between the two data sets, the seismic...


Sand Dune Development within the Simpson Desert and its Effect on Statics Calculation

P. G. Senycia

Petroleum Exploration Society of Australia (PESA)

... . A two-layer weathering model was used on this occasion with the following parameters: (a) A weathering velocity of 800 m/s. (b) A sub-weathering...


Mineral Deposits and Plate Tectonics

George P. Woollard

AAPG Special Volumes

... by Woollard (1975) and the two-layer model for the velocity Fig. 2. Comparison of the velocities determined for the ophiolite sequence exposed...


ABSTRACT: Near-Surface Models for Transition Zone Data in the Arabian Gulf; #90051 (2006)

Joseph R. McNeely, Robert E. Ley, II, Nikolai Barsoukov, Ralph Bridle, Mohammad A. Homaili, Bryan R. Maddison

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... points producing a two layer model. In addition, the land surface had sand dunes over which the revised model was enhanced with refraction statics...


Thermal-Mechanical Modeling of Early Paleozoic Miogeoclinal Sequences in Southern Canadian Rockies: ABSTRACT

Gerard C. Bond, Michelle A. Kominz

AAPG Bulletin

... of the Cordilleran miogeocline. We have analyzed stratigraphic relations within the inner carbonate belt east of the Kicking Horse Rim using one- and two-layer...


The Use of Seismic Refraction Method in Slope Failure Investigation

Khairul Anuar Mohd. Nayan, Rahman Yaccup, Abd. Rahim Samsudin, Umar Hamzah, Abd. Ghani Rafek

Geological Society of Malaysia (GSM)

... of borehole BH4. Seismic refraction survey The distance-time plot and the subsurface profile (Fig. 8) from the spread line SP5 has shown a two layer case...


Seismic Refraction and Reflection in Caribbean Sea

N. Terence Edgar , John I. Ewing , John Hennion

AAPG Bulletin

... thick (Morgan, 1968; Isacks et al., 1968), then the problem is resolved, but the two-layer Caribbean crust should not be considered a combination...


Finite Difference Modelling: Part IV

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... at any given time, the wavefront is spherical in 3D (circular in 2D) with its centre at the source. In the two-layer medium, the wave that propagates...


Orientation of Oil and Gas Exploration in the Black Sea Region

B. L. Gurevich, L. F. Klitochenko, M. V. Chirvinskaya

Petroleum Geology: A Digest of Russian Literature

... isoanomaly lines, by reflection and refraction seismic survey data, and particularly by electrical data (continuous two-layer axial sounding and continuous...


Gravity Anomalies and Passive Continental Margins, Canada and Norway

L. W. Sobczak

CSPG Special Publications

.... This wedge is shown as an additional layer of water in Figures 8A and 8B and was determined from the residual anomaly (Figure 1C). Two crust-mantle...


Depth of bedrock in the Seal Cove river valley, Newfoundland: a geophysical case study

E. Scott Schillereff, Hugh Miller, John E. Gale

Atlantic Geology

... electromagnetic and refraction hammer seismic methods. These geophysical interpretations, based on an assumed two-layer geometry, were compared with direct...


Wave Evolution in Cohesive Sedimentary Environments: Open Problems

A. Sheremet, J. M. Kaihatu, G. W. Stone, X. Zhang

GCAGS Transactions

... Estuarine Stud., v. 42, p. 126-148. Dalrymple, R. A., and P. L.-F Liu, 1978. Waves over soft muds: a two-layer fluid model: J. Phys. Ocean. v. 8, p...


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...user Spherical-Wave Computational AVO Modelling in Elastic and Anelastic Isotropic Two-Layer Media Arnim B. Haase and Charles P. Ursenbach University...


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...user Spherical-Wave Computational AVO Modelling in Elastic and Anelastic Isotropic Two-Layer Media Arnim B. Haase and Charles P. Ursenbach University...


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

.... There is an accompanying decrease in thickness of the basaltic layer and rise of the M-discontinuity. The two-layer crust of the South Barents depression differs markedly...


Deep Structure and Evolution of the Carolina Trough: Rifted Margins: Field Investigations of Margin Structure and Stratigraphy

D. R. Hutchinson, J. A. Grow, K. D. Klitgord, B. A. Swift

AAPG Special Volumes

.... The two-layer crustal configuration agrees with the average oceanic crustal structure derived from a review of refraction data along the U.S. margin...


The Tectonic Stress Field in Eastern Australia

S. Zhao, R. D. Müller

Petroleum Exploration Society of Australia (PESA)

.... Model assumptions We used a two-layer elastic model to simulate the response of the Australian continent to various tectonic forces. The use...


Structure of Extensionally Rifted Crust Beneath the Western Ross Sea and Iselin Bank, Antarctica, from Sonobuoy Seismic Data

A. K. Cooper, F. J. Davey, G. R. Cochrane

Circum Pacific Council Publications

... refraction solutions for s o n o b u o y measurements made by the USGS in t h e Ross Sea d u r i n g 1984. Layer 1 Sonobuoy Lat. (S.) Long. Water...


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