Magnetic Tri-component Technology Research and Development
Fluxgate UAV Magnetic Survey System High Precision Borehole Tri-component Magnetic Survey System |
01 Basic information
Take general light UAV as flying platform, be equipped with adaptive modified fluxgate aeromagnetic system, carry out magnetic field measurement in a specific area, and obtain magnetic measurement data in the working area. Through data processing, inversion and interpretation, reach the exploration target. Fluxgate aeromagnetic system adopts a new type of homemade fluxgate sensor, and improves the magnetic measurement accuracy (better than 5 nT) through three-component magnetic measurement correction technology, with the characteristics of usability, convenience and practicality.
Fluxgate UAV aeromagnetic system has completed more than 10 exploration projects, more than 20,000 kilometers survey line.
Magnetic measurement range: 100,000 nT
System noise: ≤20 pT/√Hz at 1 Hz
Magnetic measurement accuracy: <5 nT (on repeated line checks)
Output frequency: 10 Hz
GPS positioning accuracy: <2 m
LiDAR range: <180 m
Data transmission method: wireless
Power supply voltage: 18 to 24 V
Total power consumption: <10 W
Weight: <1.3 kg
UAV
Fluxgate aeromagnetic system
The fluxgate UAV aeromagnetic system developed on the basis of independently innovative tri-component magnetic measurement correction technology is different from most UAV aeromagnetic systems developed by using imported optical pump/ fluxgate sensor.
02 Technical features
High precision, magnetic measurement accuracy better than 5 nT; low cost, high efficiency, wide range of adaptation; imitation flight to enhance the ability of magnetic anomaly detection; no signal lock-out, available for use in low magnetic latitudes; stable system performance, not easy to damage, short maintenance cycle; Usability, convenience and practicability.
03 Exploration applications
Aeromagnetic survey and 3D inversion model of structurally altered rock type gold deposits
Aeromagnetic survey and 3D inversion model of volcanic type iron mine
Aeromagnetic survey and 3D inversion model of porphyry copper deposits
Fluxgate UAV aeromagnetic detection technology can be used for exploration of greenfield projects, to quickly understand the basic geological information such as rock mass and structure distribution in the working area; large scale magnetic exploration of metal minerals, oil and gas resources and environmental governance; high-precision magnetic exploration of special landscape areas (such as forest, wetland, Gobi desert, high altitude, deep cut and alpine frozen soil, etc.) that cannot be done manually, and; verification of small scale aeromagnetic anomalies.
In the past two years, the UAV aeromagnetic system has completed more than 10 domestic and foreign exploration projects inside and outside Zijin Mining Group, including Timok metallogenic belt in Serbia, gold mine in Tanzania, Zijinshan gold-copper mine, Julong copper mine, Shanggong gold mine, Zhongtiaoshan gold mine, etc. of Zijin Mining Group, with a total of more than 20,000 km survey lines; and a multiple of systems have been sold. Various instruments and equipment have stable performance and remarkable application results.
01 Basic information
The self-developed high-precision Tre-component magnetic survey system (model: JSC-G-21) has the instrument accuracy better than 5 nT, applicable for well depth over 2,000 m.
It can enhance the ability of magnetic survey and exploration in the existing well, make full use of the drilling results, and discover the concealed ore body in the deep and marginal parts of the borehole. It can also conduct full-space 3D inversion with ground and airborne magnetic survey data to improve the positioning accuracy of anomalous bodies.
Magnetic survey range: ± 100,000 nT
Instrument accuracy: < 5 nT
Dip angle: ± 0.05° (non-magnetic wall)
Azimuth: ± 0.5° (non-magnetic wall, dip angle < 80°)
Logging depth: 2 km
02 Technical features
High precision, instrument accuracy better than 5 nT; wide range of applications, not only for prospecting of strong magnetic ore bodies, but also for indirect prospecting of non-ferrous metals, precious metals and other minerals with associated weak magnetic anomalies; accurate positioning of anomaly sources, to solve the technical problems of fine mapping of deep mines and concealed ore bodies; stable system performance, not easy to damage, short maintenance cycle.
HSE
Inquiry and Consultation
Core Technology
Tri-component magnetic survey correction technology
Independently developed
Technical Services
Sales Service
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