Paleofluid Fingerprint as an Independent Paleogeographic Correlation Tool: An Example from Pennsylvanian Sandstones and Neighboring Crystalline Rocks (Tisia Composite Terrane, S Hungary)
Table 1
Petrographic characteristics and microthermometric data of the studied primary fluid inclusions.
Mineral phases
h (°C)
i (°C)
m(ice) (°C)
m (Hh) (°C)
Salinity
H2O-NaCl-CaCl2
H2O-NaCl
Quartz vein
NaCl (mass%)
CaCl2 (mass%)
NaCl (mass%)
Quartz
QP1
88 to 145
−53.7 to −47.8
−26.0 to −21.0
−22.0 to −2.8
15.2 to 22.4
2.6 to 11.7
—
QP2
63 to 89
−53.4 to −49.7
−25.3 to −23.1
−13.0 to −3.4
16.0 to 19.4
6.6 to 10.6
—
QP3
50 to 77
−56.2 to −50.7
−27.0 to −23.0
−17.0 to −5.2
15.0 to 20.7
5.3 to 11.8
—
Quartz-carbonate vein
Quartz
QCP1
54 to 153
−55.2 to −52.4
−25.4 to −22.8
−16.0 to −1.6
16.4 to 21.2
4.8 to 10.6
—
QCP2
46 to 82
−52.7 to −47.6
−25.2 to −22.8
−14.0 to −6.7
16.2 to 20.4
5.3 to 10.3
—
QCP3
42 to 78
−56.3 to −47.3
−28.0 to −23.8
−25.0 to −6.5
10.3 to 19.1
7.2 to 15.6
—
QCP4
47 to 74
−54.1 to −47.7
−25.0 to −21.7
−17.4 to −9.8
15.8 to 23.6
1.6 to 10.1
—
Dolomite
DP1
127 to 167
−57.5 to −48.5
−28.6 to −25.5
—
—
22.8 to 24.2
—
Ankerite
AP1
61 to 109
—
−2.5 to −1.6
—
—
—
2.7 to 4.6
Abbreviations: h: temperature of homogenization; i: temperature of initial melting; m (ice): temperature of final melting of ice; m (Hh): temperature of final melting of hydrohalite; QP: primary fluid inclusions trapped in quartz from quartz veins; QCP: primary fluid inclusions trapped in quartz from quartz-carbonate veins; DP: primary inclusions trapped in dolomite; AP: primary inclusions trapped in ankerite.
