Ground magnetics is a passive geophysical method that allows the measurement of magnetic properties in geological structures, taking advantage of changes in intensity, inclination and declination of the earth's magnetic field. Through the use of a device called a magnetometer, the magnetic signal of a sample can be quantified in force or direction in order to locate the rocks that have a high magnetic susceptibility. The magnetometer is capable of measuring a very important physical property in nano Tesla (nT), linked to magnetite which is closely related to strata carrying that contains gold, platinum, diamond, and other minerals. The results of the magnetic measurements made in the field are represented by Magnetic Maps of Total Intensity (TIM), which are essential to analyze and interpret the regional and local mineral resources and then generate an optimized diagnosis of the suggested production fronts.
Integrated System: "VLF (Very Low Frecuency) and GPS"
VLF system is integrated along with the magnetometer and was designed to be used by a single operator in a backpack configuration, in this way the acquisition of data from both methods is done at the same time. Considering that the measurements of the magnetometer and VLF in the walk-in mode do not need contact with the ground, the data collection is carried out very quickly. This method is a powerful tool capable of delineating geological structures, measuring apparent dipping of fault zones and shear, as well as having the ability to identify conductive zones associated with veins and sulfide concentrations. In the mining industry, data obtained in the field can be interpreted to identify the immersion of structures for reliable drilling. It is important to note that the remote transmitter has a penetration depth of up 350 meters. Applying this method enables the possibility to study over 25 hectares or more of land in a day, thus increasing productivity up to 5 times more than other systems.
GROUND PENETRATING RADAR
Integrated System: "Ground Penetrating Radar (GPR) and GPS"
The GPR is a method of geophysical propection which is used to investigate and detect objects, structures, minerals, etc., below ground level. This method is characterized by being non-invasive and is based on the transmission of electromagnetic waves in the materials. Thanks to a transmitter, a train of impulses is generated and after crossing different layers of the subsoil, it provokes a reflection of part of the energy of the wave front. The receiver then detects these reflections and generates a record or two-dimensional "depth-distance" image of the subsoil, along the entire line of displacement of the antenna. The GPR is a powerful tool capable of delineating paleocanales and veins, and in the same way can offer a detailed description in depth synchronized with the local geology. It is important to note that the GPR has a capacity of 40 meters around where the equipment is located and it can penetrate up to 120 meters deep in ideal conditions.
Prospecting geochemistry is an indirect method that includes values based on the systematic measurement of one or several chemical properties of naturally formed material. The geochemical exploration is focused on the discovery of anomalous distributions of elements. We distinguish geochemical studies focused on a general survey and more detailed geochemical studies applied in a promising area for a mineral deposit. In addition, they can be classified based on the material analyzed. In Geodia Industries we have carried out several studies corresponding to Surface Geochemistry and Underground/tunnel Geochemistry with the purpose of locating the points of mineralization to make a model in order to correlate accordingly with the other geophysics methods.
The topographic survey is the first phase of the technical and descriptive study of a terrain. The physical, geographical and geological conditions of the land, but also the current alterations that occur in the intervention of man. With the topographical survey you want to carry out a graphic representation of the most faithful terrain possible. In the company we are known for carrying out topographic studies, specifically Surface Topography and Underground Topography. The method most used for taking topographic data is based on the use of a total station, with which we can measure horizontal angles, vertical angles and distances. Knowing the coordinates of the place where the station has been placed it is possible to determine the three-dimensional coordinates of all the points that are measured. By processing the functions of the data taken, it is possible to graphically plot the terrain details. In principle Underground Topography works follow the same practices as those carried out abroad, although with special characteristics due to the conditions of work underground. The lack of natural light forces our workers to use devices with interior lighting as well as to identify points to observe. It is important to note that these studies are carried out with the purpose of correlating the data with the other geophysical methods to generate a mode and obtain in this way a more efficient response.