Hypersaline Fluids Generated by High-Grade Metamorphism of Evaporites: Fluid Inclusion

Hypersaline fluids generated by high-grade metamorphism of evaporites: Fluid inclusion study of U occurrences in the Western Zambian Copperbelt

Aurélien Eglinger1 ; Clément Ferraina1 ; Alexandre Tarantola1 ; Anne-Sylvie André-Mayer1 ; Olivier Vanderhaeghe1 ; Marie-Christine Boiron1 ; Jean Dubessy1 ; Antonin Richard1 ; Marc Brouand2

1 GéoRessources, CNRS-CREGU, Université de Lorraine, France ;2 AREVA, BU Mines Paris, France

Corresponding author: Aurélien Eglinger

UMR GéoRessources 7359

Université de Lorraine

54506 Vandœuvre-lès-Nancy Cedex France

Mail:

Table S1 Results of microthermometry and Raman spectroscopy for individual type-I fluid inclusions of Lolwa and Mitukuluku occurrences

N°FI / Type / avap / Microthermometry / °C / Raman spectroscopy / mol%
(25 °C) / Tmant / Tmsin / TmH / TLV→L / M / CO2 / CO / N2 / H2 / O2
N2-bearing fluid
Lolwa
2.1 / I / 2.7 / - / - / - / 180.4 / L+H→L / 0.0 / 0.0 / 98.0 / 2.0 / 0.0
2.2 / I / 4.7 / - / - / - / 99.1 / L+H→L / 0.0 / 0.0 / 92.7 / 7.3 / 0.0
2.5 / I / 7.5 / - / - / - / - / - / 0.0 / 0.0 / 84.3 / 15.7 / 0.0
2.6 / I / 5.1 / - / - / - / - / - / 0.0 / 0.0 / 91.7 / 8.3 / 0.0
4.1 / I / 3.8 / 26.9 / - / - / - / - / - / - / - / - / -
4.2 / I / 9.2 / 26.9 / - / - / - / - / - / - / - / - / -
4.3 / I / 11.7 / 26.1 / - / - / - / - / - / - / - / - / -
4.4 / I / 5.2 / 26.4 / - / - / - / - / - / - / - / - / -
4.7 / I / 12.8 / 24.7 / - / - / - / - / - / - / - / - / -
4.8 / I / 7.7 / 23.4 / - / - / - / - / - / - / - / - / -
4.9 / I / - / 24.8 / - / - / - / - / - / - / - / - / -
4.10 / I / - / 25.0 / - / - / - / - / - / - / - / - / -
5.1 / I / 6.6 / 26.4 / - / - / - / - / - / - / - / - / -
5.2 / I / 8.2 / 26.3 / 131.6 / 300.8 / - / L+V→L / - / - / - / - / -
5.3 / I / 6.4 / 26.6 / 121.3 / 283.2 / 280.1 / L+H→L / 0.0 / 0.0 / 79.0 / 21.0 / 0.0
5.4 / I / 5.1 / 26.4 / 161.8 / 323.0 / 334.3 / L+V→L / 0.0 / 0.0 / 100.0 / 0.0 / 0.0
5.5 / I / 7.1 / 27.3 / 151.1 / 303.1 / 312.3 / L+V→L / 0.0 / 0.0 / 100.0 / 0.0 / 0.0
5.6 / I / 5.8 / 27.9 / 151.1 / 298.3 / 307.7 / L+V→L / 0.0 / 0.0 / 99.9 / 0.1 / 0.0
5.7 / I / 9.2 / 25.8 / 142.1 / 183.9 / - / L+V→L / - / - / - / - / -
5.10 / I / 4.6 / - / - / - / - / - / 0.0 / 0.0 / 100.0 / 0.0 / 0.0
7.1 / I / 8.6 / - / - / 147.8 / 256.3 / L+V→L / 0.0 / 0.0 / 100.0 / 0.0 / 0.0
7.7 / I / 6.8 / - / - / - / - / - / 0.0 / 0.0 / 100.0 / 0.0 / 0.0
7.8 / I / 9.5 / - / - / 279.5 / >350 / L+V→L / - / - / - / - / -
7.9 / I / 5.2 / - / - / 256.6 / 256.6 / L+H→L / - / - / - / - / -
7.11 / I / 5.9 / - / - / - / >350 / - / - / - / - / - / -
7.12 / I / 7.8 / - / - / - / 332.4 / - / - / - / - / - / -
7.13 / I / 13.5 / - / - / 262.9 / 304.2 / L+V→L / - / - / - / - / -
7.14 / I / 10.1 / - / - / 247.3 / 271.9 / L+V→L / - / - / - / - / -
8.1 / I / 6.1 / - / - / 278.6 / 303.5 / L+V→L / - / - / - / - / -
8.2 / I / 6.0 / - / - / - / >350 / - / - / - / - / - / -
8.3 / I / 5.6 / - / - / - / 216.9 / L+H→L / - / - / - / - / -
11.1 / I / 7.4 / - / - / 324.8 / 344.9 / L+V→L / - / - / - / - / -
11.2 / I / 10.3 / - / - / - / >350 / - / - / - / - / - / -
11.3 / I / 14.6 / - / - / 344.9 / 324.8 / L+H→L / - / - / - / - / -
11.4 / I / 7.1 / - / - / - / 227.0 / - / - / - / - / - / -
12.1 / I / 6.9 / - / - / 220.2 / 344.9 / L+V→L / 0.0 / 0.0 / 91.1 / 8.9 / 0.0
12.2 / I / 6.8 / - / - / 244.2 / 305.5 / L+V→L / - / - / - / - / -
12.3 / I / 8.4 / - / - / 324.0 / 266.1 / L+H→L / - / - / - / - / -
12.4 / I / 4.5 / - / - / 303.9 / >350 / L+V→L / - / - / - / - / -
12.5 / I / 10.0 / - / - / 327.6 / 299.4 / L+H→L / - / - / - / - / -
13.1 / I / 9.9 / - / - / - / - / - / 0.0 / 0.0 / 78.2 / 21.8 / 0.0
13.2 / I / 8.8 / - / - / - / - / - / 0.0 / 0.0 / 58.5 / 41.5 / 0.0
13.4 / I / 6.9 / - / - / - / - / - / 0.0 / 0.0 / 95.8 / 4.2 / 0.0
22.1 / I / 11.1 / - / - / - / - / - / 0.0 / 0.0 / 100.0 / 0.0 / 0.0
22.2 / I / 11.3 / - / - / - / - / - / 0.0 / 0.0 / 100.0 / 0.0 / 0.0
22.3 / I / 7.4 / 21.7 / - / - / - / - / 0.0 / 0.0 / 100.0 / 0.0 / 0.0
22.4 / I / 9.1 / 24.1 / - / 182.3 / 170.0 / L+H→L / 0.0 / 0.0 / 99.7 / 0.3 / 0.0
22.5 / I / 11.1 / 23.3 / - / 255.5 / 170.5 / L+H→L / 0.0 / 0.0 / 99.5 / 0.5 / 0.0
22.6 / I / 11.1 / - / - / - / - / - / 0.0 / 0.0 / 100.0 / 0.0 / 0.0
22.8 / I / 13.3 / 25.6 / - / - / - / - / 0.0 / 0.0 / 98.5 / 1.5 / 0.0
22.9 / I / 12.0 / 24.0 / - / 242.2 / - / L+V→L / - / - / - / - / -
22.11 / I / 8.9 / 23.4 / - / 262.4 / 248.7 / L+H→L / - / - / - / - / -
22.12 / I / 6.7 / 14.4 / 165.2 / - / 165.2 / - / - / - / - / - / -
22.14 / I / 9.4 / 20.8 / - / 207.0 / 199.5 / L+H→L / - / - / - / - / -
22.15 / I / 11.6 / 22.4 / - / 253.7 / 216.2 / L+H→L / - / - / - / - / -
22.17 / I / 12.0 / 26.7 / - / - / - / - / - / - / - / - / -
22.18 / I / 10.6 / 25.0 / - / - / - / - / - / - / - / - / -
22.20 / I / 8.1 / 25.6 / - / - / - / - / - / - / - / - / -
22.21 / I / 5.3 / 27.3 / - / - / - / - / - / - / - / - / -
22.22 / I / 8.3 / 27.0 / - / - / - / - / - / - / - / - / -
28.1 / I / 13.5 / - / - / 221.8 / 250.0 / L+V→L / - / - / - / - / -
Mitukuluku
1.1 / I / 6.8 / 25.4 / 125.4 / 286.6 / 127.5 / L+H→L / - / - / - / - / -
1.2 / I / 4.9 / 23.2 / 121.1 / - / 156.7 / L+H→L / 0.0 / 0.0 / 56.6 / 43.4 / 0.0
1.3 / I / 3.6 / 25.1 / 98.4 / 273.2 / 129.2 / L+H→L / - / - / - / - / -
1.4 / I / 6.0 / 26.2 / 126.7 / 249.7 / 198.1 / L+H→L / - / - / - / - / -
1.5 / I / 8.0 / 23.6 / - / - / - / - / - / - / - / - / -
1.6 / I / 4.0 / 26.6 / 142.2 / 299.3 / 146.5 / L+H→L / 0.0 / 0.0 / 50.8 / 49.2 / 0.0
1.7 / I / 5.2 / 19.2 / - / - / - / - / 0.0 / 0.0 / 45.8 / 54.2 / 0.0
1.8 / I / 6.5 / 25.8 / 126.3 / 276.2 / 126.3 / L+H→L / - / - / - / - / -
2.1 / I / 6.0 / 22.1 / 127.2 / 262.2 / 153.3 / L+H→L / 0.0 / 0.0 / 60.8 / 39.2 / 0.0
2.2 / I / 8.8 / 24.3 / 142.2 / 266.2 / 164.4 / L+H→L / 0.0 / 0.0 / 54.1 / 45.9 / 0.0

Table S2 Results of microthermometry and Raman spectroscopy for individual type-IIA fluid inclusions of Lolwa occurrence

N°FI / Type / acar / Microthermometry / °C / Raman spectroscopy / mol%
(25 °C) / Tfm / Tmice / TmHH / Tmcar / Thcar / Phase transition / TmH / Th (Lcar+Laq→Laq) / CO2 / CO / N2 / H2 / O2
Low CO2-bearing fluid inclusions
Lolwa
4.1 / IIA / 11.5 / -66.1 / -37.4 / - / -56.7 / 31.0 / Lcar / - / - / - / - / - / - / -
4.2 / IIA / 15.0 / - / -32.9 / - / - / 31.1 / Lcar / - / - / - / - / - / - / -
4.3 / IIA / 17.7 / -62.9 / -32.4 / -18.3 / -56.8 / 30.8 / Lcar / - / - / - / - / - / - / -
5.1 / IIA / 23.7 / -65.4 / -30.0 / -17.2 / -56.7 / 30.9 / Lcar / - / - / - / - / - / - / -
5.2 / IIA / 29.3 / -68.2 / -33.5 / - / -56.7 / 30.1 / Lcar / - / - / - / - / - / - / -
5.3 / IIA / 27.2 / -68.1 / -36.5 / -15.5 / -56.7 / 31.1 / Lcar / 264.8 / 340.9 / - / - / - / - / -
5.4 / IIA / 30.1 / -68.5 / -37.6 / - / -56.6 / 31.1 / Lcar / - / - / - / - / - / - / -
5.5 / IIA / 27.5 / -64.4 / -34.7 / -16.0 / -56.6 / 31.0 / Lcar / - / - / - / - / - / - / -
5.8 / IIA / 24.0 / -65.4 / -32.8 / -12.3 / -56.6 / 30.2 / Lcar / - / - / - / - / - / - / -
5.9 / IIA / 20.4 / - / - / - / - / 31.1 / Lcar / - / - / - / - / - / - / -
5.10 / IIA / 13.4 / -65.6 / -32.0 / -13.5 / -56.8 / 31.0 / Lcar / - / - / 99.6 / 0.4 / 0.0 / 0.0 / 0.0
5.11 / IIA / 20.9 / -67.9 / - / -16.8 / -56.7 / 31.1 / Lcar / 278.5 / - / 97.8 / 2.2 / 0.0 / 0.0 / 0.0
5.12 / IIA / 20.0 / - / - / - / - / 31.1 / Lcar / - / - / 98.5 / 1.3 / 0.1 / 0.0 / 0.1
5.13 / IIA / 24.3 / - / - / - / - / 31.1 / Lcar / - / - / - / - / - / - / -
5.14 / IIA / 21.3 / - / - / - / - / 31.1 / Lcar / - / - / - / - / - / - / -
5.15 / IIA / 16.1 / - / - / - / - / 31.1 / Lcar / - / - / - / - / - / - / -
5.16 / IIA / 14.1 / - / - / - / - / 31.1 / Lcar / - / - / - / - / - / - / -
5.17 / IIA / 32.7 / -66.3 / - / -15.5 / -56.8 / 30.0 / Lcar / 250 / - / - / - / - / - / -
5.18 / IIA / 27.4 / - / - / - / -56.8 / 30.9 / Lcar / - / - / 97.1 / 2.8 / 0.0 / 0.0 / 0.1
5.19 / IIA / 21.5 / - / - / - / - / 31.1 / Lcar / - / - / 99.8 / 0.2 / 0.0 / 0.0 / 0.0
5.20 / IIA / 24.8 / - / - / - / - / 31.1 / Lcar / - / - / - / - / - / - / -
5.21 / IIA / 22.0 / -68.2 / - / -17.2 / -56.9 / 30.5 / Lcar / 260 / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
5.22 / IIA / 23.7 / -65.9 / - / -15.3 / - / 29.8 / Lcar / - / - / - / - / - / - / -
5.23 / IIA / 23.1 / -66.3 / - / -16.9 / - / 31.2 / Lcar / 279.7 / - / - / - / - / - / -
5.25 / IIA / 12.7 / -64.4 / -23.4 / -16.5 / -56.5 / - / - / - / - / - / - / - / - / -
5.26 / IIA / 11.3 / - / -32.6 / - / - / - / - / - / - / - / - / - / - / -
5.27 / IIA / 21.9 / -65.3 / -32.8 / - / - / 30.1 / Lcar / - / - / - / - / - / - / -
5.28 / IIA / 13.8 / -66.6 / -34.9 / - / - / 31.0 / Lcar / - / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
5.29 / IIA / 24.8 / -66.9 / -35.8 / - / - / 31.0 / Lcar / - / - / - / - / - / - / -
5.30 / IIA / 27.4 / - / - / - / - / - / - / - / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
5.31 / IIA / 18.9 / - / - / - / - / - / - / - / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
5.32 / IIA / 21.7 / - / - / - / - / - / - / - / - / 89.7 / 10.3 / 0.0 / 0.0 / 0.0
5.40 / IIA / 22.8 / - / - / - / - / - / - / - / - / 99.8 / 0.2 / 0.0 / 0.0 / 0.0
6.3 / IIA / 21.6 / - / - / - / - / - / - / 350 / >350 / - / - / - / - / -
6.4 / IIA / 16.2 / - / - / - / - / - / - / >350 / >350 / - / - / - / - / -
6.5 / IIA / 27.8 / - / - / - / - / - / - / >350 / >350 / - / - / - / - / -
6.6 / IIA / 28.9 / - / - / - / - / 31.1 / Lcar / >350 / >350 / - / - / - / - / -
6.7 / IIA / 25.4 / - / - / - / - / - / - / >350 / >350 / - / - / - / - / -
6.8 / IIA / 17.1 / - / - / - / - / - / - / >350 / >350 / - / - / - / - / -
6.11 / IIA / 25.4 / - / - / - / - / 30.3 / Lcar / - / - / - / - / - / - / -
6.12 / IIA / 28.6 / - / - / - / - / 30.2 / Lcar / - / - / - / - / - / - / -
6.13 / IIA / 16.6 / - / - / - / - / 30.6 / Lcar / - / - / - / - / - / - / -
7.1 / IIA / 28.4 / - / - / - / - / 30.3 / Lcar / 239.7 / >350 / - / - / - / - / -
7.2 / IIA / 22.8 / - / - / - / - / 30.3 / Lcar / 245.9 / >350 / - / - / - / - / -
2.1p / IIA / 20.7 / - / - / - / - / - / - / 202.7 / >350 / - / - / - / - / -
2.2p / IIA / 23.4 / - / - / - / - / - / - / - / 301.3 / - / - / - / - / -
2.3p / IIA / 26.8 / - / - / - / - / - / - / 204.2 / >350 / - / - / - / - / -
2.4p / IIA / - / - / - / - / - / - / - / - / >350 / - / - / - / - / -
2.5p / IIA / - / - / - / - / - / - / - / - / >350 / - / - / - / - / -
2.6p / IIA / - / - / - / - / - / - / - / - / 232.7 / - / - / - / - / -
2.7p / IIA / - / - / - / - / - / - / - / - / 232.7 / - / - / - / - / -
2.8p / IIA / - / - / - / - / - / - / - / - / 250.2 / - / - / - / - / -
2.9p / IIA / - / - / - / - / - / - / - / - / 249.0 / - / - / - / - / -
2.10p / IIA / - / - / - / - / - / - / - / 230.5 / 309.7 / - / - / - / - / -
3.2p / IIA / - / - / - / - / - / 31.1 / Lcar / - / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.3p / IIA / - / - / - / - / - / 31.1 / Lcar / 345.0 / >350 / - / - / - / - / -
3.4p / IIA / - / - / - / - / - / 30.8 / Lcar / - / - / - / - / - / - / -
3.5p / IIA / - / - / - / - / - / - / - / >350 / >350 / - / - / - / - / -
3.6p / IIA / - / - / - / - / - / - / - / >350 / >350 / - / - / - / - / -
3.7p / IIA / - / - / - / - / - / - / - / >350 / >350 / - / - / - / - / -
3.11p / IIA / - / - / - / - / - / 28.3 / Lcar / - / - / - / - / - / - / -
3.12p / IIA / - / - / - / - / - / 28.7 / Lcar / - / - / - / - / - / - / -
3.13p / IIA / - / - / - / - / - / 28.6 / Lcar / - / - / - / - / - / - / -
3.14p / IIA / - / - / - / - / - / 30.3 / Lcar / - / - / - / - / - / - / -
3.15p / IIA / - / - / - / - / - / 29.5 / Lcar / - / - / - / - / - / - / -
3.16p / IIA / - / - / - / - / - / 29.6 / Lcar / - / - / - / - / - / - / -
3.21p / IIA / - / - / - / - / - / - / - / - / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.22p / IIA / - / - / - / - / - / - / - / - / - / 95.4 / 4.6 / 0.0 / 0.0 / 0.0
3.23p / IIA / - / - / - / - / - / - / - / - / - / 99.2 / 0.8 / 0.0 / 0.0 / 0.0
8.1p / IIA / 29.5 / - / - / -18.7 / -57.6 / 31.0 / Lcar / >350 / >350 / - / - / - / - / -
8.2p / IIA / 24.5 / - / - / - / - / - / - / >350 / >350 / - / - / - / - / -
9.1p / IIA / - / - / - / - / - / - / - / - / - / 98.9 / 1.1 / 0.0 / 0.0 / 0.0
9.3p / IIA / - / - / - / - / - / - / - / - / - / 98.7 / 1.3 / 0.0 / 0.0 / 0.0

Table S3 Results of microthermometry and Raman spectroscopy for individual type-IIB fluid inclusions of Lolwa and Mitukuluku occurrences

N°FI / Type / acar / Microthermometry / °C / Raman spectroscopy / mol%
(25 °C) / Tmcar / Thcar / Phase transition / Th(LcarLaq→Lcar) / CO2 / CO / N2 / H2 / O2
High CO2- bearing fluid inclusions
Lolwa
1.1 / IIB / 100 / -56.4 / -5.7 / Lcar / - / - / - / - / - / -
1.2 / IIB / 100 / -56.4 / -2.7 / Lcar / - / - / - / - / - / -
1.3 / IIB / 100 / -56.4 / -5.9 / Lcar / - / - / - / - / - / -
1.4 / IIB / 90.4 / -56.4 / -4.0 / Lcar / - / - / - / - / - / -
1.5 / IIB / 74.5 / -56.4 / -6.6 / Lcar / - / - / - / - / - / -
1.6 / IIB / 88.4 / -56.4 / -3.7 / Lcar / - / - / - / - / - / -
1.7 / IIB / 96.1 / -56.4 / -2.4 / Lcar / - / - / - / - / - / -
2.1 / IIB / 93.9 / -56.1 / -10.1 / Lcar / 225.6 / - / - / - / - / -
2.2 / IIB / 97.3 / -56.0 / -10.0 / Lcar / 231.4 / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
2.3 / IIB / 100 / -55.9 / -9.3 / Lcar / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
2.4 / IIB / 94.6 / -55.9 / -9.8 / Lcar / 243.2 / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
2.5 / IIB / 96.1 / -55.9 / -10.0 / Lcar / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
2.6 / IIB / 97.1 / -56.0 / -9.5 / Lcar / 253.7 / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
2.7 / IIB / 96.9 / -56.0 / -9.9 / Lcar / 253.9 / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.1 / IIB / 81.7 / -56.3 / -5.1 / Lcar / 172.0 / 99.8 / 0.2 / 0.0 / 0.0 / 0.0
3.2 / IIB / 93.9 / -56.3 / -6.4 / Lcar / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
3.3 / IIB / 93 / -56.3 / -9.9 / Lcar / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
3.4 / IIB / 90.4 / -56.4 / 0.2 / Lcar / 209.1 / 99.7 / 0.3 / 0.0 / 0.0 / 0.0
3.5 / IIB / 93.8 / -56.0 / -8.4 / Lcar / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
3.6 / IIB / 73.5 / -56.0 / -8.3 / Lcar / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.7 / IIB / 75.0 / -56.0 / -9.3 / Lcar / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.8 / IIB / 78.2 / -56.0 / -9.1 / Lcar / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.9 / IIB / 100 / -56.0 / -8.5 / Lcar / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.10 / IIB / 94.9 / -55.9 / -7.7 / Lcar / 188.5 / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.11 / IIB / 100 / - / - / - / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.12 / IIB / 91.4 / -56.0 / -8.9 / Lcar / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
3.13 / IIB / 100 / -56.0 / -9.8 / Lcar / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.14 / IIB / 100 / - / - / - / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
3.15 / IIB / 100 / - / - / - / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
3.16 / IIB / 86.7 / - / - / - / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
3.17 / IIB / 100 / - / - / - / - / 100.0 / 0.0 / 0.0 / 0.0 / 0.0
3.18 / IIB / 95.0 / - / - / - / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
3.19 / IIB / 100 / - / - / - / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
3.20 / IIB / 100 / - / - / - / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
4.1p / IIB / 85.3 / - / - / - / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
4.2p / IIB / 92.1 / - / - / - / - / 98.5 / 1.5 / 0.0 / 0.0 / 0.0
4.3p / IIB / 90.9 / - / - / - / - / 99.9 / 0.1 / 0.0 / 0.0 / 0.0
Mitukuluku
1.1 / IIB / 95.0 / -56.1 / 19.4 / Lcar / - / - / - / - / - / -
1.2 / IIB / 96.7 / -56.1 / 19.5 / Lcar / - / - / - / - / - / -
1.3 / IIB / 94.4 / -56.2 / 19.3 / Lcar / - / - / - / - / - / -
1.4 / IIB / 100.0 / -56.2 / 19.4 / Lcar / - / - / - / - / - / -
1.5 / IIB / 100.0 / -56.2 / 17.4 / Lcar / - / - / - / - / - / -
1.6 / IIB / 83.6 / -56.2 / 6.8 / Lcar / - / - / - / - / - / -
1.7 / IIB / 100.0 / -56.1 / 19.6 / Lcar / - / - / - / - / - / -
1.8 / IIB / 100.0 / -56.2 / 14.9 / Lcar / - / - / - / - / - / -
1.9 / IIB / 87.6 / -56.2 / 19.6 / Lcar / 307.7 / - / - / - / - / -
2.1 / IIB / 94.6 / -56.4 / 2.7 / Lcar / 282.8 / 99.1 / 0.1 / 0.7 / 0.0 / 0.0
2.2 / IIB / 100.0 / -56.4 / 3.3 / Lcar / 278.8 / 99.1 / 0.1 / 0.8 / 0.0 / 0.0
2.3 / IIB / 100.0 / -56.7 / 2.6 / Lcar / - / 98.8 / 0.6 / 0.6 / 0.0 / 0.0
2.4 / IIB / 100.0 / -56.6 / 0.4 / Lcar / - / 98.2 / 1.3 / 0.5 / 0.0 / 0.0
2.5 / IIB / 100.0 / -56.6 / 4.6 / Lcar / - / 99.8 / 0.1 / 0.1 / 0.0 / 0.0
2.6 / IIB / 100.0 / -56.6 / 3.7 / Lcar / - / 98.8 / 0.8 / 0.4 / 0.0 / 0.0
2.7 / IIB / 100.0 / -56.7 / 3.9 / Lcar / - / 98.8 / 0.5 / 0.7 / 0.0 / 0.0

Table S4 Results of microthermometry and Raman spectroscopy for individual type-III fluid inclusions of Lolwa and Mitukuluku occurrences

N°FI / Type / avap / Microthermometry / °C / Raman spectroscopy / mol%
(25 °C) / Tfm / Tmice / Th(LV→L) / CO2 / CO / N2 / H2 / O2
Late fluids
Lolwa
18.1 / III / 0.0 / - / -8.0 / - / / / / / / / / / /
18.2 / III / 0.0 / -57.2 / -7.6 / - / / / / / / / / / /
18.3 / III / 0.0 / - / -8.0 / - / / / / / / / / / /
18.4 / III / 0.0 / -55.2 / -8.1 / - / / / / / / / / / /
18.5 / III / 0.0 / -55.2 / -7.8 / - / / / / / / / / / /
18.6 / III / 0.0 / -55.2 / -8.6 / - / / / / / / / / / /
18.7 / III / 0.0 / -53.7 / - / - / / / / / / / / / /
18.8 / III / 0.0 / -56.7 / -8.8 / - / / / / / / / / / /
18.9 / III / 0.0 / -54.3 / -6.7 / - / / / / / / / / / /
18.10 / III / 0.0 / -56.0 / -9.4 / - / / / / / / / / / /
18.11 / III / 0.0 / -55.5 / - / - / / / / / / / / / /
18.v1 / III / 18.5 / - / -11.1 / - / 0.0 / 0.0 / 4.2 / 1.4 / 94.4
18.v2 / III / 9.4 / - / - 9.6 / 188.5 / 0.0 / 0.0 / 0.0 / 0.2 / 99.8
18.v3 / III / 16.5 / - / -15.2 / - / 0.0 / 0.0 / 0.4 / 4.0 / 95.6
18.v4 / III / 7.1 / - / - / - / 0.0 / 0.0 / 5.5 / 0.8 / 93.7
18.v5 / III / 14.2 / - / -8.4 / 161.4 / 0.0 / 0.0 / 0.1 / 0.6 / 99.3
18.v8 / III / 9.2 / - / -10.3 / 155.0 / 0.0 / 0.0 / 0.0 / 1.0 / 99.0
18.v11 / III / 17.5 / - / -15.3 / - / 0.0 / 0.0 / 1.0 / 0.3 / 98.7
18.v14 / III / 8.9 / - / -7.3 / 70.5 / - / - / - / - / -
18.v16 / III / 6.0 / - / -10.6 / 140.4 / 0.0 / 0.0 / 1.0 / 1.5 / 97.5
18.v17 / III / 10.2 / - / -7.5 / 179.3 / 0.0 / 0.0 / 0.0 / 0.0 / 100.0
18.v19 / III / 7.8 / - / -9.1 / 133.8 / 0.0 / 0.0 / 0.0 / 0.1 / 99.9
18.v21 / III / 11.5 / - / - / 110.5 / - / - / - / - / -
18.v22 / III / 16.0 / - / - / 115.6 / - / - / - / - / -
18.v23 / III / 12.4 / - / - / 130.8 / - / - / - / - / -
18.v24 / III / 8.7 / - / - / 68.1 / - / - / - / - / -
18.v25 / III / 9.3 / - / - / 100.3 / - / - / - / - / -
18.v26 / III / 8.6 / - / - / 103.5 / - / - / - / - / -
18.v27 / III / 8.9 / - / - / 172.0 / - / - / - / - / -
35.1 / III / 0.0 / - / -10.7 / - / / / / / / / / / /
35.4 / III / 0.0 / - / -11.2 / - / / / / / / / / / /
36.1 / III / 0.0 / -53.0 / -11.0 / - / / / / / / / / / /
36.2 / III / 0.0 / -51.7 / -10.9 / - / / / / / / / / / /
36.3 / III / 0.0 / -51.7 / -13.3 / - / / / / / / / / / /
36.4 / III / 0.0 / -59.0 / -11.0 / - / / / / / / / / / /
36.5 / III / 0.0 / -55.1 / -10.9 / - / / / / / / / / / /
36.6 / III / 0.0 / -53.0 / -10.5 / - / / / / / / / / / /
36.7 / III / 0.0 / -55.2 / -11.0 / - / / / / / / / / / /
36.8 / III / 0.0 / - / -10.9 / - / / / / / / / / / /
36.9 / III / 0.0 / -54.0 / -10.5 / - / / / / / / / / / /
Mitukuluku
1.1 / III / 0.0 / -52.6 / -5.4 / - / / / / / / / / / /
1.2 / III / 0.0 / -55.3 / -6.8 / - / / / / / / / / / /
1.3 / III / 0.0 / - / -7.5 / - / / / / / / / / / /
1.4 / III / 0.0 / - / -4.4 / - / / / / / / / / / /
1.5 / III / 6.9 / -53.2 / -7.0 / 139.4 / 0.0 / 0.0 / 7.1 / 8.2 / 84.8
1.6 / III / 0.0 / - / -6.2 / - / / / / / / / / / /
1.7 / III / 0.0 / -53.8 / -7.9 / - / / / / / / / / / /
1.8 / III / 3.7 / - / -8.3 / 176.3 / 0.0 / 0.0 / 0.0 / 21.3 / 78.7
1.9 / III / 3.9 / -55.5 / -8.7 / 171.1 / 0.0 / 0.0 / 0.1 / 0.0 / 99.9
1.10 / III / 0.0 / - / -6.3 / - / / / / / / / / / /