Diapositive 1

1
Renewed geological and mining mapping of the
Precambrian crystalline basement of Madagascar at
1100,000 and 1500,000 scale a new approach
regarding its mineral resources opportunity
Rakotomanana Dominique
2
Former geological map at 1100,000 of Ianapera
sheet
3
The legend of the former geological map
4
Mineral indications map published in 1956
5
(No Transcript)
6
Metallogenical map at 12,000,000 scale published
on 1978
Enlarged on next slide
7
(No Transcript)
8
Revision of the geological and mining maps at
1100,000 and 1500,000 Scales of Madagascar in
the frame of the PGRM World Bank funded project

9
Airborne geophysical survey
Magnetometry ? especially used for supporting
structural geology
Spectrometry ? especially used for supporting
lithology study
Problems while realizing uneven relief in North
Zone, very low clouds floor ? clearance zones
those are fully flown before finishing main zones