Those thinking about the grade of Nb by volume should remember...

Those thinking about the grade of Nb by volume should remember Nb goes ~8 tonnes/m3, while Ta goes 16 t/m3 - depending on the density of the host rock grade by weight% could go as high as ~~20 % if volume is 5%

Study the image below again --

Sandro is concentrating on the black crystals - possibly Ta mineral.

BUT columbite is a mineral containing both Nb and Ta - it is generally a brown rock - can you see any rock which might be columbite? Most would have been washed away in this outcrop, but at depth it would still be in situ and may be a valuable ore.

AND, take a look at Sandro's leather chaps, see behind them the BLACK vein, remember that pegmatites are always zoned and that's because they are spat out of an igneous body and cool quickly, IMO that vein could be where considerable wealth lies.

Frankly gentlemen, we are waiting for definitive news, and it will take months not weeks - and for the present rock samples are important so the geos can identify the zoning and which pegs may be fertile - if you havn't got the guts, or the nerve to wait months not days then take our resident poster's comments to heart. There are probably buyers who are keen to take your shares.

All IMO, of course - if you believe I am ramping then don't read my posts, or ignore me.