Last edited by Tall
Friday, August 7, 2020 | History

2 edition of Ground Vlf-em Surveys at the Atikokan Research Area found in the catalog.

Ground Vlf-em Surveys at the Atikokan Research Area

Atomic Energy of Canada Limited.

Ground Vlf-em Surveys at the Atikokan Research Area

1979 and 1981.

by Atomic Energy of Canada Limited.

  • 39 Want to read
  • 40 Currently reading

Published by s.n in S.l .
Written in English


Edition Notes

1

SeriesTechnical record (Atomic Energy of Canada Ltd) -- 426
ContributionsHayles, J., Sinha, A.
ID Numbers
Open LibraryOL21968359M

In , geological mapping, magnetic & VLF-EM surveys further assessed the area. In & to , Noranda Exploration conducted extensive work, they explored the area with an airborne magnetic & electromagnetic survey, ground magnetic & electromagnetic surveys, selective radiometric & gravity surveys, geochemical sampling, geological   Inco Gold conducted an exploration program in 90, which consisted of grid line cutting, magnetic, VLF-EM and geological mapping surveys, trenching,

SHIVES, R.B.K., Application of airborne multiparameter geophysical data (Gamma-ray, Magnetometer, VLF-EM) to mapping and exploration in the Rusty Lake and Snow Lake areas; in EXTECH 1: A multidisciplinary approach to massive sulphide research in the Rusty Lake-Snow Lake Greenstone Belts, Manitoba, ://   Since the Company’s acquisition, the Company has completed km of VLF-EM geophysical coverage over the mineralized Cork and Gold Cure Shear zones. The geophysical surveys clearly define the location and extent of the controlling shears, as they are very conductive by ://

  In , geological mapping, magnetic and VLF-EM surveys were conducted to further assess the area. In and to , Noranda Exploration Company explored the area with an airborne magnetic and electromagnetic survey, ground magnetic and electromagnetic surveys, selective radiometric and gravity surveys, geochemical sampling, geological Inco Gold Limited conducted an exploration program in and which consisted of grid line cutting, magnetic, VLF-EM and geological mapping surveys, trenching, rock sampling and two diamond


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Ground Vlf-em Surveys at the Atikokan Research Area by Atomic Energy of Canada Limited. Download PDF EPUB FB2

Those who routinely perform surveys with a VLF-EM unit find that, in some areas, a 5‐degree peak‐to‐peak anomaly can be significant, whereas anomalies having amplitudes in excess of Magnetic and Very Low Frequency Electromagnetic (VLF-EM) investigations for gold exploration around Ihale in Bunnu-Kabba Area of Kogi, north-central Nigeria Article (PDF Available) September Conference: Detecting organic groundwater contamination using electrical resistivity and VLF surveys   Frequency (VLF) method Slingram and ground conductivity meters are near field methods.

VLF technique is a far field method. The source of the VLF method is electro­ magnetic radiation generated in the low­ frequency band of 15­25 kHz by the powerful radio transmitters used in long­(1).pdf. very low frequency electromagnetic (VLF-EM) surveys and borehole logging. Borehole logs, downhole tube-wave seismic surveys, and thermal and tele-vision logging were successful in detecting open fractures in boreholes.

The majority of fractures observed in boreholes at Research Area 4 are not open but contain filling materials such as pegmatite, The aim of this research is to carry out vertical electrical sounding geophysical survey at study area with a view to determining good aquifers that are good Original Research Article Odeyemi et   Chalk River, Ontario Fig.

5 shows the general layout of the Chalk River research area, km NW of Ottawa, where the system was first tested. The geology and fracture pattern of the area has been studied by Brown and Rey ().

The area was surveyed by ground VLF-EM in with m station separation on lines m apart (Scott, ). exploration at the deposit scale.

However, shallow seismic surveys employ less expensive sources and smaller surveys than are typical of regional surveys, and the cost of studying certain geoenvironmental problems in the near subsurface may not be prohibitive.

Reflection seismic methods provide fine structural detail and refraction methods    VLF EM Survey A VLF EM survey was completed over grid lines spaced at metres on claim SO-1 and on stations at 25 metre intervals. The station used was MSS, located at Annapolis, Maryland and broadcasting at kHz.

VLF Electromagnetics This method uses VLF navigation signals as a primary   The geophysical surveys were performed to establish the ground expressions of the airborne Nag/EM anomalies located on the Ontario Geological Survey map.

The airborne survey, conducted inis a part of the Atikokan-Mine Centre Area map series at. a scale ofThe Rice Bay Property was originally staked based on   Inco Gold conducted an exploration program in –90, which consisted of grid line cutting, magnetic, VLF-EM and geological mapping surveys, trenching, rock sampling and two diamond drill holes.

Two grab samples assayed g/t and g/t :// VLF-EM Survey. VLF surveys may be run on airborne or ground platforms. GEM’s GSM AV is an example of an airborne version and the GSM V and GSM TV are GEM’s ground versions. The airborne version is equipped with two sensors so it can be tuned to two VLF ?paperid=   Tilt-angle VLF-EM surveys have used signals in the kHz range transmitted by the U.S.

Navy. There is a good correlation with geological data. Fig. 4 shows the data from the East Bull Lake Research Area (Ermanovics et al., ). Conductor locations shown in Fig.

4 have been deduced from a simple interpretation of the in-phase ://   Subsurface Surveys & Associates, Inc. [email protected] 2 Subsurface Surveys, an applied geophysics company, uses a variety of geophysical methods to solve engineering, geological, environmental and forensic Figure 4 shows the location of the survey area.

The area receives VLF-EM signals from two powerful U.S. Navy transmitters, NAA and NSS located at Cutler, Maine, and Annapolis, Maryland, respectively (Fig. The area was surveyed intensively by ground VLF surveys, along N-S lines using the signals from the Navy transmitters, prior to our ://   The geophysical surveys were performed to establish the ground expressions of the airborne Mag/EM anomalies located on the Ontario Geological Survey map.

The airborne survey, conducted inis a part of the Atikokan-Mine Centre Area map series at a scale ofThe Rice Bay Property was originally staked based on Abstract. The very low frequency electromagnetic (VLF-EM) method is a rapid and reliable geophysical method was used in the investigation for uranium bearing structures in the Proterozoic basement of the Dhofar region that may be a potential source and trap for The role of airborne EM methods for environmental applications in different geological terrains.

In: EAGE 63rd Conference & Technical Exhibition, Amsterdam, Netherlands, June EAGE, (Unpublished) Beamish, David; Kurimo, Miaja. Trial airborne EM surveys to assess minewater pollution in the Geonics Limited,Operating manual for the EM, VLF-EM, and the EMR: Geonics Limited, Mississauga, Ontario, Canada, 80 p.

Google Scholar Indiana Geological Survey,Research and reclamation feasibility studies at the Friar Tuck Site, Sullivan and Greene Counties, Indiana: Second Annual Report (Part A) to the Indiana Division of   The first phase of the Camping Lake exploration program consists of approximately line kilometers ("km") of ground VLF/EM geophysics and soil geochemistry surveys.

The program's objective is to delineate mineralized structures related to past gold and base metal discoveries in the region and outline targets for follow-up trenching and. Transient Electromagnetic or Time-Domain EM (TEM) Overview.

The transient electromagnetic (TEM) method, alternately called time-domain EM (TDEM) or pulse EM (PEM), is a commonly-used, non-intrusive, geophysical method for obtaining subsurface resistivity-conductivity 2 days ago  Instrumentation GDD Inc.

is a world leader in high-tech geophysical instrumentation for mining and exploration geophysics, groundwater exploration, geotechnical investigations and other related fields.

SinceGDD has developed, manufactured and sold a wide range of Electromagnetic (EM) and Resistivity/Induced Polarization geophysical ://The protective capacity of aquifers is a prerequisite for groundwater quality in areas prone to contamination from the ground surface.

Aquifers without protective layers are more susceptible to contaminations from point and non-point sources. The protective capacity of an aquifer significantly correlates with the thickness of clay and organic materials that mantled ://