Table 1. Oxygen Isotope Data and Calculated Equilibrium Temperature of Different Bands in Agate Samples.
| sample | δ18OSMOW (‰) | Thom (°C) | δ18OH2O (‰) | Tmet (°C) | Toc (°C) | Tmag (°C) |
|---|---|---|---|---|---|---|
| BH01-1-Pg | +16.7 | 130–170 | –0.5 ∼ +3.0 | 60 | 135 | 254 |
| BH01-1-Ch | +15.2 | 130–170 | –2.0 ∼ +1.5 | 69 | 152 | 291 |
| BH01-1-Qtz | +11.4 | 120–170 | –6.9 ∼ −2.3 | 95 | 203 | 432 |
| BH01-2-Pg | +16.5 | 130–170 | –0.7 ∼ +2.8 | 62 | 137 | 259 |
| BH01-2-Qtz | +11.4 | 120–170 | –6.9 ∼ −2.3 | 95 | 203 | 432 |
| BH02-1-Pg | +13.9 | 130–170 | –3.3 ∼ +0.2 | 77 | 167 | 329 |
| BH02-1-Qtz | +10.4 | 120–170 | –7.9 ∼ −3.3 | 102 | 220 | 492 |