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Table 3

Pressure – temperature conditions of entrapment of the FIs of quartz veins from the MBM (this study) and the CM (Schwartz, 2000).

Conditions de pression - température de piégeage des IFs des veines de quartz du MBM (cette étude) et du CM (Schwartz, 2000).

Queyras P entrap (bar) T entrap (°C) depth entrap (km)
Sealed early veins min 2500 min 290 min 9.5
max 5100 max 325 max 18
Sealed late veins min 500 min 340 min 2
max 2100 max 380 max 8

Mont Blanc Massif P entrap (bar) T entrap (°C) depth entrap (km)

9MB44 (horizontal unsealed vein) min 600 min 178 min 2
max 2150 max 550 max 5
9MB56 (horizontal sealed vein) min 750 min 210 min 3
max 900 max 245 max 7.2
9MB30 (horizontal geodic vein) min 790 min 210 min 2.2
max 2100 max 540 max 3.2
9MB1a (geodic vein) min 600 min 180 min 3
max 1000 max 270 max 6.3

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