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From UAV Lidar and Magnetic Data to Geological MappingNormal access

Authors: E. Pizzo and C. Rigollet
Event name: First EAGE Workshop on Unmanned Aerial Vehicles
Session: Multiphysics and Multisensor Surveys
Publication date: 02 December 2019
DOI: 10.3997/2214-4609.201903322
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 462.85Kb )
Price: € 20

Summary:
CVA Airborne, an alliance between the INFOGEO start-up, specialized in the acquisition and processing of data from drones and the CA group, expert in integrated studies in geosciences, combines drones and miniaturized sensors and develops a methodology for use to produce very high resolution topographic (lidar) and geophysics (magnetics and radiometrics) survey for areas less than 100 km2. Integrated with field observations and ground geophysic measurements such as gravimetry or seismic, they provide the nature and geometry of the sub-surface structures (oil and gas, mining and energy storage). In the summer of 219, a project covering the entire value chain of exploration (acquisition, processing, analysis and interpretation of data) was carried with a survey of 110 ha in the south of France. The peculiarity of this project was to work in a very rugged topographic context, with vertical differences in the order of 250 meters. The project combined magnetic measurements, allowing to characterize the variability of the magnetic properties of the subsurface, under the vegetal and alluvial conver, and topographic measurements by lidar in order to extract the main topographic lineaments and magnetic anomalies from the survey area.


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