Main directions / Development of technologies and hardware / Remote sensing / Exploration stage of survey

AMK RIFT 3 during the exploration stage of survey:

 

Application:

  • In profile surveying (scale 1:10000) with EP recording (two components) and geochemical parameters; the work goal being to search for zones of abnormal values of measured parameters caused by intensive geothermal activity (parameters pH, pS, pNa, Eh) and directly linked with GPS ?? ore appearances (natural electric field);

Profile surveying with recording of the natural electric field and geochemical parameters

In 1993 with АМК RIFT used for abnormalities of geochemical parameters they discovered the ore field Logachev 1.

In 2003 (trip 22 of the research vessel Professor Logachev) there were recorded hydro chemical abnormalities and EP abnormalities in the ore appearance at 13°N of the Middle Atlantic Ridge.

 

Profile 1170 of anomolous signal zone

Geophysical investigations with AMK RIFT 3 at 13 deg. N

Processing of profiling data can be done directly on board a vessel (ore field Logachev 1, 2004)

Mapping of anomalous zones of recorded parameters (ore appearance at 13°N of the Middle Atlantic Ridge, 2003).

  • EP profiling (vertical component is recorded) along a special grid of profiles for GPS location of ore bodies including relics.

EP vertical component and hydro chemical parameters are recorded.

Profile network configuration depends on a survey goal; it is possible to work on bottom sites with complex topography.

Prifiling results from  АМК RIFT 3

In 2004 (trip 22 of the research vessel Professor Logachev) the technique was successfully applied for localization of the relic ore body at the site 16

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