VTEMVersatile Time Domain Electro-Magnetics
VTEMVisually Triggered Eye Movement-Related Responses (physiology)
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The drilling programme will be guided by historical exploration results for the area and the results of the VTEM survey and will include the drilling of approximately twenty boreholes to an average depth of 200 metres.
Drilling (holes 12WA-21 to 24) also tested regional VTEM targets at Anomalies F and H on the Wabassi West claim block.
Preliminary VTEM modeling results indicate a consistent moderate westerly dip to the gossan-associated conductors, with average depths of 30 to 70 metres below natural surface.
Geophysical surveys were being performed in conjunction with this drilling, including ground and borehole Transient Electromagnetic (TEM) surveys and an airborne VTEM survey.
Sydney, Australia, Nov 28, 2012 - (ABN Newswire) - Sheffield Resources (ASX:SFX) today announced the identification of four high order anomalies from the first pass VTEM airborne electromagnetic (EM) survey undertaken at its Red Bull Project.
VTEM and magnetometer survey covering 1,700 line kilometres delineated numerous targets favourable for gold deposits associated with banded iron formations as well as targets that exhibit high potential for massive sulphide copper, zinc, gold and silver deposits.
The phase 2 drilling has identified drilling targets following intensive VTEM surveys that have generated signatures consistent with massive sulphide bodies with a nickel signature at the Muremera Nickel Project.
In 2004, the MacDonald carried out an airborne VTEM and magnetic survey consisting of 50 to 75 metre-line spacing, where 40 anomalies were defined on the Big Mac property and 25 on the MacNugget property.
In November 2011, Geotech was contracted to fly a 690 km VTEM airborne geophysical survey over the Eddy Property.
Eight areas for follow up exploration for high grade deposits of nickel-copper-platinum group metals (PGM)-cobalt have been identified in a helicopter-borne VTEM survey over the Rockwell
3 line-km of VTEM helicopter-borne time domain electromagnetic and magnetic surveys over portions of the Maniitsoq property.
In order to understand the stratigraphy and to test the VTEM anomalies, eight RAB holes were drilled at selected targets for a total depth of 367m.