Abstract: Seismic Refraction Tomography and Stratigraphic Variability of Upper Holocene Coastal Deposits Along the Al Qahmah Coast, Red Sea, Saudi Arabia; #91204 (2023)

Abdullah Nabhan, Wan Yang

Search and Discovery.com

... spacing of 10 m. The raw seismic refraction data were processed using SeisImager/2D of Geometric Inc., v. 2009. There is a significant variation...

Abstract: Using Supervirtual Refraction Interferometry to Enhance First Arrivals of Seismic Data from Saudi Arabia, by A.A. Al-Shuhail, #90188 (2014)

Search and Discovery.com

Abstract: Seismic Refraction Surveys in Areas of Tropical Weathering and Rugged Topography: An Example from a Damsite Investigation in Pahang, Malaysia

C. A. Foss, K. Preamakanathan

Geological Society of Malaysia (GSM)

... boundaries. Along most of the survey lines two refractors were mapped using the Hawkins interpretation method~ but in regions of irregular topography...

Review: Geophysical Methods for Karst Detection and Mapping

T. L. Dobecki

Houston Geological Society Bulletin

... and groundwater geophysics, is not a good method for direct detection of karst features. Most karst features have low seismic velocity, which refraction tends...

Chapter 29: Haddam Meadows, Connecticut: A Case Study for the Acquisition, Processing, and Relevance of 3-D Seismic Data as Applied to the Remediation of DNAPL Contamination

Jason R. House, Thomas M. Boyd, and F. Peter Haeni

AAPG Special Volumes

... should collect in topographic lows in the bedrock. A 3-D seismic dataset was collected at the site to determine the feasibility of using...

A Meaningful Correlation between Shallow Seismic Refraction Data to Borehole Data in Site Investigation Work

Samsudin bin Hj Taib, Ahmad Nizam Hasan

Geological Society of Malaysia (GSM)

... method (Redpath, 1973) can be used to interpret the seismic refraction data. DEPTH I (meters) 0 I- DESCRIPTION OF STRATA BH2 SPT values I N...

The Use of Electrical and Seismic Methods for Imaging Shallow Subsurface Structure of Limestone at Batu Caves, Kuala Lumpur, Malaysia

Abdul Rahim Samsudin, Mohammed I. Abu Shariah, Umar Hamzah

Geological Society of Malaysia (GSM)

... cavities can produced a measurable change in the apparent resistivity especially for shallow bedrock. The seismic refraction method is the most wi...

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)

...The Use of Seismic Refraction Method in Slope Failure Investigation Khairul Anuar Mohd. Nayan, Rahman Yaccup, Abd. Rahim Samsudin, Umar Hamzah, Abd...

Excavability of Inter-Bedded Quartzites and Phyllites of the Lower Carboniferous Sungai Perlis Beds at Bukit Teluk Batu, Terengganu Darul Iman

John Kuna Raj, Ahmad Nizam Hassan, Ahmad Zulhilmy

Geological Society of Malaysia (GSM)

... - 28 m depth Interpretation Pedological soil zone Saprock zone - Moderately to highly & completely weathered quartzites & phyllites Bedrock zone...

Groundwater Investigation Using Combined Geophysical Methods, #40914 (2012)

Amarachi R Alisiobi, B. D. Ako

Search and Discovery.com

.... The vertical electrical sounding stations were located based on the results of the refraction survey. The VES technique was employed for the resistivity method...

2D Seismic Refraction Tomography Survey on Metasediment at a Proposed Development Site in Dengkil, Selangor

Umar Hamzah, Abd Rahim Samsudin

Geological Society of Malaysia (GSM)

... using seismic refraction technique was carried out at a proposed development site at MINTOengkil. The aim of the study was to characterize...

Time-Lapse Refraction Seismic II: Field Examples

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... discussed the development of time-lapse refraction seismic as a complementary monitoring method. Here we look at some field examples. Scientific theory...

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

Valentina Khatchatrian and Mike Galbraith

Search and Discovery.com

... solution obtained using a conventional method of interpreting picked first arrivals. Figure 9 shows interferometric refraction statics corrections...

Abstract: 2D Seismic Refraction Tomography Survey on Metasediment at a Proposed Development Site in Dengkil, Selangor

Umar Hamzah, Abd Rahim Samsudin

Geological Society of Malaysia (GSM)

... & ABD RAHIM SAMSUDIN Program Geologi, Fakulti Sains & Teknologi, Universiti Kebangsaan Malaysia ABSTRACT: A geophysical survey using seismic refraction...

Abstract: Turning-Ray Tomography and Tomostatics; #90224 (2015)

Babatunde Arenrin, Gary Margrave, and John Bancroft

Search and Discovery.com

... tomostatics with datasets using the delay-time method of conventional refraction statics. Our result shows that the velocity model from turning-ray...

Refraction Shooting with Expendable Sonobuoys: GEOLOGICAL NOTES

J. Ewing , R. Leyden , M. Ewing

AAPG Bulletin

... are based on depth in kilometers to 5+ km/sec refraction layer. V-24 track is based on satellite navigation. End_Page 175------------------------------ Fig...

Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013)

Lejia Han, Joe Wong, John C. Bancroft, and Robert R. Stewart

Search and Discovery.com

.... using the time-shift method are about 10% higher than the refraction formula values, probably due to errors in assumed values for h and vw (vw...

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

... that the original salt horizon was at a depth of approximately 11 mi (18 km). Equipment The data were recorded using two Geometrics' Geodes®, each with 24 channels...

Abstract: Geophysical imaging of a shallow aquifer: initial field tests at Fredericton

K. E. Butler

Atlantic Geology

... potential (SP) methods for window detection, and (ii) imaging of aquifer stratigraphy and bedrock topography using seismic reflection surveys. A promising...

Geophysical Investigation for Groundwater Exploration at UKM's Kuala Pilah Matriculation Centre, Negeri Sembilan

Abdul Rahim Samsudin, Abdul Ghani Rafek, Umar Hamzah

Geological Society of Malaysia (GSM)

... was used. The refraction seismic method enables subsurface data to be obtained using a straightforward linear shooting pattern. Geophone spacing was 5...

Application of Geophysical Methods in Phosphate Exploration Southeastern Idaho

James W. Cooksley Jr.

Utah Geological Association

... pertinent to the planning and estimating the costs of drilling and trenching. Using the refraction method, depths to 600 feet have been explored...

The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

Search and Discovery.com

... greatly reduce the investigation costs of engineering projects. It is used to determine:      Bedrock quality, profile, and depth Degree...

Refraction Statics, A Comparison Among Processing Contractors

Bambang Sudewo

Indonesian Petroleum Association

..., i.e. without refraction statics. Field statics derived by using uphole method were used. In late 1981 or early 1982 our contractor introduced...

Abstract: Detecting Subsurface Voids Using the Microgravity Method … A Case Study from Kuala Lipis, Pahang

Ahmad Tajuddin Hj. Ibrahim, Che Noorliza Lat

Geological Society of Malaysia (GSM)

... at four locations at depths varying from 3.77 to 6.50 m. The depth to the center of each anomalous body was calculated using the half-width method...

BEDROCK GEOLOGIC MAPPING (STATEMAP) IN WEST-CENTRAL AND NORTHWEST OHIO AND ITS RELATIONSHIP TO DEEP SUBSURFACE GEOLOGY—AN UPDATE

E. Mac Swinford, Ohio Division of Geological Survey, Columbus, OhioLawrence H. Wickstrom, Ohio Division of Geological Survey, Columbus, Ohio

Ohio Geological Society

.... Bedrock topography maps in this area were produced using a "moment in time" concept which promoted the connecting...