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CRPG-RA_1997-2000.pdf

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®<br />

, Fault<br />

...,.- Leucogranlte dyke<br />

* Rare Metal granite<br />

D<br />

External medium<br />

gralned granite<br />

Annular fine grained<br />

granite<br />

• Annular coarse gralned<br />

granite<br />

1000] Internai large biotite<br />

granite<br />

• LI muscovite granite<br />

:::::::::::::j K feldspar granite<br />

W Sn deposits<br />

• not explolted<br />

6 exploited<br />

Uneconomic •<br />

Au deposlts<br />

· + + + + + + +<br />

+ + + + + + + +<br />

+ + La Glane<br />

· + Guéret type granite +<br />

+ + + + + + + + + + + + +<br />

N Î"' E 2 to 3 km doep """"<br />

Brillac<br />

2km<br />

+ + + + + + + +<br />

+<br />

Cieux Vaulry<br />

+ + + Guéret type granite<br />

+ + + + + +<br />

Figure 7 - Modélisation cartographique 3D sous gOcad du Limousin (90 x 90 x 6 km).<br />

35

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