PROPOSAL FOR THE USE OF TRANSIENT ELECTROMAGNETIC METHODS IN ITS TERRESTRIAL FORM TO VERIFY THE VTEM ANOMALIES ON THE SLATES OF NORTH HEIGHTS
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Abstract
The Transitory Electromagnetic Method (TEM) or the Time Domain (TDEM) is one of the most important geophysical procedures for metal sulfides prospecting mineral deposits, which can generate anomalies due to their greater electrical conductivity respect to their host environment. Although the volume executed by techniques (TEM) is lower than the induced polarization method, it allowed results generalization, collected in the IGP report “Systematization and Generalization of NW Electromagnetic Information of Pinar del Río Province” from 2009 year. Its main conclusions are following: Time Domain methods in this territory showed greater depth of investigation (up to 200-300 m) and greater resolving power, by separating the surface effects covers and conductive fault zones from deep conductive objects. Based on positive results with terrestrial variant of (TEM) the aforementioned IGP report proposed, in 2009, the execution of its aerial variant at 1: 25000 scale in Pizarrosas from Norte Heights, which materialized in 2013 with the aerial survey VTEM, executed by EMINCAR SA. It is now proposed to use the transient EM method in its terrestrial variant, for VTEM verification aerial anomalies, and as a basic procedure for terrestrial exploration at 1: 10000 scales, along with induced polarization conventional techniques, natural electric field and gravimetry, used in Norte Heights Pizarrosas.
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