TY - JOUR
T1 - Pan-African high-grade metamorphism of southern Sinai, Egypt, fluid inclusion evidence
AU - El Tokhi, Mohamed
AU - Musallum, Abdalla
PY - 2009/1
Y1 - 2009/1
N2 - Fluid inclusions in the leucosomes of Wadi Feiran migmatites showed that CO 2, H2O and (H2O-CO2) fluids were likely to have been present when partial melting began in these rocks. Low salinity, aqueous fluid, to a lesser extent, CO2-rich fluids are the most abundant fluids. The present study suggests that high-density CO 2 inclusions were formed at the earliest stage, while H2O inclusions were formed at the late stage. In an intermediate stage, low-density CO2 and H2O, CO2 inclusions were formed. At the early stage of uplift and during melt crystallization, the CO 2-bearing vapour was trapped at grain boundaries. At the late stage of uplift, H2O released at the time of crystallization of the melt was trapped as inclusions.
AB - Fluid inclusions in the leucosomes of Wadi Feiran migmatites showed that CO 2, H2O and (H2O-CO2) fluids were likely to have been present when partial melting began in these rocks. Low salinity, aqueous fluid, to a lesser extent, CO2-rich fluids are the most abundant fluids. The present study suggests that high-density CO 2 inclusions were formed at the earliest stage, while H2O inclusions were formed at the late stage. In an intermediate stage, low-density CO2 and H2O, CO2 inclusions were formed. At the early stage of uplift and during melt crystallization, the CO 2-bearing vapour was trapped at grain boundaries. At the late stage of uplift, H2O released at the time of crystallization of the melt was trapped as inclusions.
KW - CO
KW - Fluid inclusion
KW - HO
KW - Migmatite
KW - Wadi Feiran
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U2 - 10.1007/s11631-009-0358-5
DO - 10.1007/s11631-009-0358-5
M3 - Article
AN - SCOPUS:70749126697
SN - 1000-9426
VL - 28
SP - 358
EP - 363
JO - Chinese Journal of Geochemistry
JF - Chinese Journal of Geochemistry
IS - 4
ER -