u PDF - SIST
u PDF - SIST
u PDF - SIST
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
411<br />
ANALYSE 1085 E 29 E 30 1249 \077 D 218 F 112 F III 1230<br />
Si02 50.50 48.50 49.20 49.20 48. la 46.90 46.30 46.25 44.90<br />
TI02 .50 l. 00 l. 40 l. 35 .75 l. 40 r. 40 l. 84 2.20<br />
AL203 15.40 15. la 14. la 14.20 \5.50 18.30 15.25 16. la 13.90<br />
FE203 2.90 2.90 3.00 2.90 5.85 8.60 3.30 4.15 7.16<br />
FEO 7.70 8.70 9.90 10.40 7.85 4.70 9.20 9.40 9.20<br />
MNO .20 .25 .30 .20 .20 .16 .22 .20 .30<br />
MGO 7.80 6.80 6.70 6.50 6.00 5.85 8.30 5.35 5.90<br />
CAO 10.00 9.50 10.20 9.65 9.60 9.50 10.95 11.05 12. la<br />
)/A20 3.15 3.05 2.95 2.90 l. 45 2.75 2.55 3.00 1.55<br />
K20 .25 .15 .22 .25 .15 .45 .25 .45 .25<br />
P205 .15 .20 .25 .25 . la .22 .12 .22 .30<br />
C02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br />
H20+ .95 J. 20 1. 75 1. 85 2.55 1.60 1. 60 J. 60 1.00<br />
H20- 0.00 0.00 .09 . la 0.00 .27 . la . la . 01<br />
TOTAL 99.50 98.35 100.06 99.75 98. la 100.70 99.54 99.71 98.71<br />
)/ a R MEC l P W<br />
Qz 0.00 0.00 0.00 0.00 4.74 0.00 O. 00 0.00 0.00<br />
Or 1.50 .91 1. 32 1. 51 .93 2.69 1. 51 2.72 J. 51<br />
Ab 27. 01 26.53 25.38 25.06 12.83 23.52 22. 03 23.90 13.41<br />
An 27.51 27 .83 25. 00 25.52 36.94 36.64 30.04 29.69 30.91<br />
Ne 0.00 0.00 0.00 0.00 0.00 0.00 0.00 J. 07 0.00<br />
L" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br />
Ae 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br />
META-Na20 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br />
META-K20 .0.00 0.00 0.00 O. 00 0.00 0.00 0.00 0.00 0.00<br />
Di 17.95 16.03 20.66 18.14 10.23 8.08 20.27 20.73 23.96<br />
Wo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br />
Hy 13.43 19.48 15.74 19.99 28.58 10.13 1. 51 0.00 16.59<br />
01 8.40 3.61 5. Il 2.98 0.00 Il.74 18.21 14.07 3.96<br />
Ma 2.81 3.13 3.44 3.57 3.69 3.38 3.34 3.60 4.28<br />
He 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br />
Ilm .96 1. 96 2.71 2.62 1. 49 2.69 2.72 3.57 4.28<br />
Ap .36 .49 .60 .60 .25 .53 .29 .53 .73<br />
Ca 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br />
cor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br />
INDICE DE DIFFERENCIATION<br />
LD. 28.51 27,45 26,71 26,57 18,49 26,21 23,54 27,68 14,92<br />
INDICE DE SOLIDIFICATION<br />
1. S. 35,93 31,54 29,42 28,43 28,69 27, 02 35,33 24,17 25,01<br />
Mg VALUE<br />
(LUHR et CARMICHAEL 1981) 57,66 51,97 48,91 47,35 45,16 45,84 55, II 42,30 40 ,52<br />
100 Mg/Mg + Fe2+<br />
Tableau 39 Composition et normes CIPW.<br />
1