Table 2
Micrthermometric data obtained on quartz veins from the CM (Schwartz, 2000) and MBM (this study) together with the type of quartz veins and the altitude of sampling. Tm ice = ice melting temperature, Th = homogenization temperature, L = liquid, V = vapor;%wt NaCl = sality of the fluid.
Données microthermométriques obtenues sur les veines de quartz du CM (Schwartz, 2000) et du MBM (cette étude) avec le type de veines de quartz et l'altitude d'échantillonnage. Tm ice = température de fusion de la glace, Th = température d'homogénéisation, L = liquide, V = vapeur;%wt NaCl = salinité du fluide.
| Queyras Domain | Tm ice °C | Th L-V °C | Wt% NaCl | |||||
|---|---|---|---|---|---|---|---|---|
| type of vein | name | alt.m | min | max | min | max | min | max |
| West | Lac Cordes | 2451 | −6 | −0.9 | 129 | 274 | 1.5 | 9.2 |
| sealed vein | Col Vieux | 2808 | −0.5 | −0.1 | 104 | 239 | 0.17 | 9.84 |
| Giarus | 2700 | −5.3 | −0.4 | 146 | 347 | 0.66 | 8.24 | |
| East | Bric Bouchet | 2887 | −5.3 | −1.7 | 140 | 346 | 2.79 | 8.24 |
| Mont Blanc Massif | Tm ice °C | Th L-V °C | Wt% NaCl | |||||
| type of vein | name | alt.m | min | max | min | max | min | max |
| 9MB1a | 2535 | −5,1 | −19,3 | 125 | 399 | 8 | 21,9 | |
| geodic | 9MB17 | 1660 | −6,8 | −29,9 | 154 | 390 | 10 | 28,6 |
| 9MB30 | 1550 | −1,4 | −14 | 170 | 361 | 2,4 | 17,8 | |
| unsealed vein | 9MB37 | 2260 | −3,8 | −14,9 | 186 | 410 | 6,2 | 18,6 |
| 9MB43 | 3755 | −3,2 | −15,4 | 120 | 388 | 5,3 | 19 | |
| 9MB44 | 2505 | −7,5 | −18,7 | 145 | 380 | 11 | 21 | |
| sealed vein | 9MB48 | 2505 | −5,8 | −11,5 | 170 | 195 | 9 | 15,5 |
| 9MB56 | 2319 | −3,5 | −16,3 | 145 | 210 | 5,7 | 19,7 | |
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