Open Access
Table 4
Summary of microthermometric and Raman spectroscopy data of fluid inclusions from the Puy-les-Vignes deposit.
| Fluid inclusions hosted in quartz | Fluid inclusions hosted in wolframite | |||
|---|---|---|---|---|
| Aqueous-carbonic Lc-w | Aqueous-carbonic Lw-c | Aqueous Lw | Aqueous-carbonic Lw-c | |
| Composition | H2O–NaCl–(KCl)–CO2–CH4–N2 | H2O–NaCl–(KCl)–CO2–CH4–N2 | H2O–NaCl | H2O–NaCl–(KCl)–CO2–CH4–N2 |
| Petrography | ||||
| Phase at room temperature | Laq-Lcar-Vcar | Laq-V | Laq-V | Laq-V |
| Size (μm) | 5 to 70 (avg = 21) | 10 to 50 (avg = 20) | 5 to 15 (avg = 9) | 20 to 50 (avg = 30) |
| Gas/liquid ratio (Rv) | 0.10 to 0.70 (avg = 0.38) | 0.10 to 0.50 (avg = 0.17) | 0.05 to 0.35 (avg = 0.13) | 0.30 to 0.60 (avg = 0.45) |
| Microthermometry | n = 189 | n = 218 | n = 145 | n = 25 |
| Tm CO2 (°C) | −64.3 to −56.5 (avg = −58.3) | −103 to −57.4 (avg = −61.6) | – | – |
| Te (°C) | −24.5 to −21.1 (avg = −22.4) | −38 to −21.1 (avg = −24.6) | −23 to −21.6 (avg = −22.3) | – |
| Tm clat (°C) | 3.9 to 13.1 (avg = 8.7) | 2.9 to 15.2 (avg = 10.8) | – | 11.0 to 14.5 (avg = 12.9) |
| Tm ice (°C) | −10.2 to −1.2 (avg = −6.2) | −9.7 to −0.2 (avg = −3.6) | −5.5 to −0.2 (avg = −3.0) | −5.6 to −3.0 (avg = −4.1) |
| Th CO2 (°C) | −9.7 to 23.3 (avg = 14.1) | – | – | – |
| Th (°C) | 249 to 455 (avg = 337) | 246 to 412 (avg = 321) | 124 to 391 (avg = 236) | 344 to 365 (avg = 353) |
| Raman spectroscopy | n = 55 | n = 31 | ||
| CO2 (mol%) | 68.8 to 97.9 (avg = 91.4) | 0 to 100 (avg = 62.5) | – | – |
| CH4 (mol%) | 0.4 to 11.6 (avg = 2.7) | 0 to 86.1 (avg = 29) | – | – |
| N2 (mol%) | 0 to 26.2 (avg = 5.9) | 0 to 41 (avg = 8.4) | – | – |
| H2S (mol%) | 0 to 0.3 (avg = 0.03) | 0 to 1.1 (avg = 0.1) | – | – |
| Bulk composition | ||||
| Salinity (wt.% NaCl eq) | 2.20 to 8.10 (avg = 5.26) | 0.72 to 5.80 (avg = 2.65) | 0.35 to 8.60 (avg = 4.90) | 4.96 to 8.68 (avg = 6.60) |
| Density (g cm−3) | 0.36 to 0.92 (avg = 0.67) | 0.47 to 0.92 (avg = 0.67) | 0.63 to 0.99 (avg = 0.85) | 0.66 to 0.73 (avg = 0.69) |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.