seismic refractive index method of mining

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Seismic Reflection and Refraction surveys

Seismic Refraction The seismic refraction method is based on the measurement of the travel time of seismic waves refracted at the interfaces between subsurface layers of different velocity Seismic energy is provided by a source ('shot') located on the surface For shallow applications this normally comprises a hammer and plate, weight drop or ....

LEVELLING AND SEISMIC REFRACTION MEASUREMENTS ,

these cases applying some geophysical methods seems to be very useful and practical The analysis of two-year cyclic levelling and seismic refraction measurements carried out in area of mining exploitation is presented in this paper The application of complex researches and the detailed study of head wave velocity and mining...

Seismic Refraction, Surfseis, Compression Wave Velocity

The seismic tomography method allows the imaging of seismic wave velocity distribution in the subsurface based on these first breaks and the recording geometry The method iteratively improves a subsurface velocity model and models how seismic waves propagate through the model...

The importance of seismic methods application for ,

Seismic refraction and seismic tomography proved as valuable method for geological and structural reconstructions of the open pit and rockslide that are necessary preconditions for the rockslide movement prediction and suggestions of the effective landslide control...

Depth to Bedrock | Methods | site

TDEM soundings are used in areas where local infrastructure make it unfeasible to lay out long seismic or resistivity cabl Frequency domain Electromagnetic instruments such as the Geonics EM31 can map variations in the overburden to complement another method such as GPR DEPTH to BEDROCK information is required for: Wind Farms; Solar Parks...

Archived: High-resolution 3D surface seismic method and ,

High-resolution 3D surface seismic method and former coal geophysics program of a US coal company Lawrence M Gochioco, GX Technology Corporation, Houston, Texas Introduction One of the best kept technology secrets in US coal mining history was that there was once a robust coal geophysics program that was fully utilized by a local...

Seismic Refraction, Surfseis, Compression Wave Velocity

The seismic tomography method allows the imaging of seismic wave velocity distribution in the subsurface based on these first breaks and the recording geometry The method iteratively improves a subsurface velocity model and models how seismic waves propagate through the model...

SEISMIC REFRACTION SURVEY ON 1160 AND 1161

SEISMIC REFRACTION SURVEY ON PLACER LEASES 1160 AND 1161 KEITHLEY CREEK CARIB00 MINING DISTRICT, BC INTRODUCTION AND GENERAL REMARKS rhis report discusses the field procedure, compilation of data, 3nd interpretation of results of a seismic refraction survey iarried out over Placer Leases 1160 and 1161 at the confluence...

Geophysical Methods Used in Exploration for Gemstones ,

Advancements in geophysical methods provide opportunities for applications in exploration and development of many types of gemstone deposits Mega-scale regional techniques, such as teleseismic signals, regional electromagnetic, and long range controlled source seismology (reflection and refraction)...

Seismic refraction - Wikipedia

Seismic refraction is a geophysical principle (see refraction) governed by Snell's LawUsed in the fields of engineering geology, geotechnical engineering and exploration geophysics, seismic refraction traverses (seismic lines) are performed using a seismograph(s) and/or geophone(s), in an array and an energy source The seismic refraction method utilizes the refraction of seismic waves on ....

Geophysical Methods & Applications

using seismic acoustical wav Reflection and Refraction are the most commonly used seismic techniqu These methods determine geological structure and rock velocities by either refracting or reflecting waves off boundaries between rock units with different seismic velocities or impedance Seismic Refraction: Seismic refraction investigates ....

Application of seismic refraction methods in groundwater ,

Seismic refraction methods have been extensively used in petroleum, mineral, and engineering investi- gations, and to some extent for hydrologic applications, during the past 30 years Recent advances in equipment, sound sources, and computer interpretation techniques make seismic refraction methods highly effective and...

Some Applications of Seismic Refraction Techniques in ,

The seismic method is divided into reflection and refraction techniques, based on whether or not a wave undergoes a reflection at the extent of its travel Thus, while most refracted events have not been reflected, most reflected events have been refracted, because a refraction occurs across any velocity interface in accordance with the simple ....

Seismic Refraction Method Used in Mining Exploration ,

Seismic Refraction Method Used in Mining Exploration - Free download as Powerpoint Presentation (ppt / pptx), PDF File (pdf), Text File (txt) or view presentation slides online Seismic Refraction Method Used in Mining Exploration...

Resources - Geometrics : Geometrics

A Vertical Array Method for Shallow Seismic Refraction Surveying of the Sea Floor Research Papers Abiotic Methane From Ultraslow-spreading Ridges Can Charge Arctic Gas Hydrates...

Seismic Reflection and Refraction surveys

Seismic Refraction The seismic refraction method is based on the measurement of the travel time of seismic waves refracted at the interfaces between subsurface layers of different velocity Seismic energy is provided by a source ('shot') located on the surface For shallow applications this normally comprises a hammer and plate, weight drop or ....

THE REFRACTION SEISMIC - Mining Directory

The seismic survey, before the sampling stage, leads to the cost effective exploration One must know where the paleochannels are, before any drill or pit sampling can take place The seismic profile-section costs much less than drilling, while provides more information The drill, pit or bulk sampling is then reduced to testing significant areas...

Seismic Refraction | Open Ground

Introduction The seismic refraction method utilizes seismic waves travelling through different parts of the subsurface A seismic source is used to generate compressional waves, which is measured by a seismograph and a series of evenly spaced sensors (typically 12, 24, 48 or more geophones)...

(PDF) Underground Applications of Seismic Measurements in ,

Underground Applications of Seismic Measurements in a Saskatchewan Potash Mine , routinely been done using conventional mining methods, seismic techniques and ,...

Developing cost-effective seismic mineral exploration ,

Developing cost-effective seismic mineral exploration methods using a landstreamer and a drophammer , The mining operation stopped in year 1979 with most of the mining taking place at ....

Ludger Mintrop - SEG Wiki

Ludger Mintrop (July 18,1880 - January 1, 1956) was a German mine surveyor and geophysicist Mintrop is considered the inventor of the seismic method for exploration of hydrocarbons and minerals (Patent 1916), through the seismic refraction method...

Mining Exploration: A New Frontier for the Canadian ,

Mining Exploration: A New Frontier for the Canadian Seismic Industry David W , refraction static correction, first-break and NMO stretch mute and the preservation of large source-receiver offset trac , Encouragement provided by the results of research to date may lead to further application of seismic methods by the mining industry in ....

Seismic reflection method - Ground geophysics techniques

Seismic reflection is ideal for mapping geology at depths exceeding 50 m Deep seismic reflection surveying is the most advanced technique in geophysics today, thanks to its application on a huge scale for oil and gas exploration...

LEVELLING AND SEISMIC REFRACTION MEASUREMENTS ,

these cases applying some geophysical methods seems to be very useful and practical The analysis of two-year cyclic levelling and seismic refraction measurements carried out in area of mining exploitation is presented in this paper The application of complex researches and the detailed study of head wave velocity and mining...

ON A SEISMIC REFRACTION SURVEY ON

Seismic refraction work was carried out over Placer Lease #3497 located about 13 km N60°W (300°E) of the village of Manson Creek on Ah Lock Creek and Germansen River in the Omineca Mining Division, BC, during the period of November 1st to 28th, 1988 The ,...

Seismic Refraction Geophysical Method - Subsurface ,

Seismic refraction is a geophysical method used for investigating subsurface ground conditions by utilising surface-sourced seismic wav Data acquired on site is computer processed and interpreted to produce models of the seismic velocity and layer thickness of the subsurface ground structure...

High Resolution Seismic Refraction Tomography for ,

High resolution seismic refraction tomography has proved to be a useful tool to effectively estimate depth of blast induced damage in a mine face Excavation blast damage can be as shallow as 1 to 2 m and requires resolution at a fraction of a meter for effective imaging In this study, an ....

seismic refraction Equipment | Environmental XPRT

The Buffalo gun is an excellent seismic source for shallow seismic surveys A big problem for shallow seismic surveys for reflection or refraction studies is that the very near surface is a highly absorbing layer, especially for high frequenci If you can position your energy source below this commonly unconsolidated layer, then your seismic ....

Reflection seismology - Wikipedia

Reflection seismology (or seismic reflection) is a method of exploration geophysics that uses the principles of seismology to estimate the properties of the Earth's subsurface from reflected seismic wavThe method requires a controlled seismic source of energy, such as dynamite or Tovex blast, a specialized air gun or a seismic vibrator, commonly known by the trademark name Vibroseis...

The Marine Seismic Refraction Technique of Geophysics GPR

The marine refraction method can map the bedrock depth in areas not accessible by drilling platforms, whether due to safety, logistical or environmental issu The refraction method involves measuring the shortest time required for an induced seismic pulse to travel ,...