2007 - PT. Geoscanner Indonesia
IP (Induced Polarization), SP and Resistivity Method
Geoelectric is an active geophysical method that employs electrical current to examine the subsurface earth materials. This method is known as “geoelectric”. The term “electrical resistivity”, “DC resistivity”, “geolistrik” (Indonesian) and “VES (vertical Electric Sounding)” are often used to refer to this active geophysical method. The evolution and revolution in the instrument technology and computer-processing techniques has contributed immensely to the development of the geoelectric survey. The recent development of multi-channel electrical resistivity system and computer-processing modeling have increased the flexibility, the speed, and the efficiency of field-work characteristic of conventional geoelctric survey, and have facilitated the application for investigating complex subsurface environments. Geoelectric Survey helps you in cutting the budget and the time consumed in mineral exploration.
Our equipment for Geoelectric Survey is:
ARES AUTOMATIC RESISTIVITY
WITH 96 ELECTRODES
Detail of our equipment can be seen at:
www.gfinstruments.cz
Geoelectric technique measures earth resistivity by driving a direct current signal to the ground and measuring the resulting potentials (voltages) created in the earth. The current and potential electrodes are generally arranged in a linier array. Common arrays include the dipole-dipole array, the pole-pole array, schlumberger array, and the wenner array.
Geoelectric survey is applicable for various surveys, such as:
1. Groundwater Exploration
2. Coal Exploration
3. Gold Exploration
4. Iron Ore Exploration
5. Manganese Exploration
6. Chromites Exploration
GROUND MAGNETIC SURVEY
Ground Magnetic Survey is a passive geophysical method that measures variation of magnetic field intensity, which caused by distribution of magnetized subsurface. The measurement of the variation of magnetic field intensity is conducted on the surface, which later will be defined as geological properties.
The objectives of the survey are:
1. Defining magnetic potential anomaly related with mineralization zone.
2. Defining magnetic field. Vector quantity defines the magnetic flux/unit.
3. Defining magnetic field strength or intensity.
4. Defining dipole nature of magnetic materials.
5. Measuring magnetization or magnetic polarization.
6. Measuring magnetic moment by measuring strength of magnetic field generator.
Our equipment for Ground Magnetic Survey is:
GEOMETRICS G-856 PORTABLE MAGNETOMETER
Detail of our equipment can be seen at:
www.geometrics.com/magnetometers/Land_/856/856.html
Ground Magnetic Survey is a very effective tool for base metal explorations.
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