Table 2 Pb, Cu and Ag isotopic data on primary gold ores from Limousin Celtic mining district (accuracy and precision are reported in the main text and diagrams).
From: Geochemistry of Gold Ores Mined During Celtic Times from the North-Western French Massif Central
Samples Id | 206Pb/204Pb | 207Pb/204Pb | 208Pb/204Pb | δ 65Cu (#) | ε 109Ag | 1sd |
|---|---|---|---|---|---|---|
Les Fouilloux A | ||||||
4300 | 18.217 | 15.625 | 38.364 | −0.397 | −0.283 | 0.100 |
4301 | 18.232 | 15.609 | 38.327 | −0.389 | 0.013 | 0.058 |
duplicate | 18.229 | 15.606 | 38.316 | na ☨ | na | — |
4302 | 18.214 | 15.591 | 38.273 | −0.386 | −0.291 | 0.072 |
duplicate | 18.211 | 15.589 | 38.265 | na | na | — |
4303 | 18.053 | 15.580 | 38.124 | −0.708 | 0.029 | 0.050 |
4306 | 17.993 | 15.580 | 38.099 | −0.636 | n.a | — |
4453 | 18.036 | 15.594 | 38.165 | 0.409 | −0.251 | 0.044 |
Cros Gallet A | ||||||
4438 | 18.058 | 15.583 | 38.166 | −0.620 | −0.150 | 0.008 |
Cros Gallet M | ||||||
4439 | 18.076 | 15.600 | 38.208 | 0.062 | −0.246 | 0.029 |
4315 | 18.906 | 15.625 | 38.724 | −0.549 | na | — |
duplicate | 18.901 | 15.621 | 38.713 | na | na | — |
4316 | 19.122 | 15.628 | 38.698 | −0.416 | na | — |
duplicate | 19.121 | 15.630 | 38.697 | na | na | — |
4320 | 18.971 | 15.616 | 38.867 | −0.135 | na | — |
duplicate | 18.975 | 15.620 | 38.876 | na | na | — |
4321 | 19.229 | 15.627 | 38.540 | −0.205 | na | — |
duplicate | 19.227 | 15.627 | 38.536 | na | na | — |
4322 (host rock, gneiss) | 18.637 | 15.597 | 38.374 | −0.219 | na | — |
4323 (host rock, gneiss) | 18.752 | 15.608 | 38.478 | −0.063 | na | — |
4324 | 18.879 | 15.613 | 38.553 | −0.212 | na | — |
4327 | 18.908 | 15.614 | 38.561 | −0.358 | na | — |
4330 (host rock, gneiss) | 18.593 | 15.600 | 38.342 | −0.574 | na | — |
Lauriéras A | ||||||
4532 | 18.197 | 15.602 | 38.291 | 0.039 | na | — |
4534 | 18.133 | 15.564 | 38.412 | −0.040 | na | — |
4536 | 18.141 | 15.253 | 38.586 | 0.182 | na | — |
Lauriéras A/M | ||||||
4363 | 18.213 | 15.579 | 38.220 | 0.015 | ||
4366 | 18.186 | 15.598 | 38.269 | −0.180 | −0.240 | 0.110 |
duplicate | n.a | n.a | n.a | −0.154 | na | — |
4358 | 18.171 | 15.644 | 38.368 | −0.067 | −0.160 | 0.050 |
duplicate | 18.173 | 15.644 | 38.366 | na | na | — |
4541 | 18.243 | 15.631 | 38.370 | 0.124 | na | — |
4537 (host rock, gneiss) | 19.432 | 15.679 | 39.762 | −0.136 | na | — |
4540 | 18.848 | 15.647 | 38.683 | 0.063 | na | — |
Lauriéras M | ||||||
4355* | 19.416 | 15.699 | 38.664 | −0.060 | na | — |
4538 | 19.045 | 15.668 | 38.789 | 0.055 | na | — |
Les Renardières M | ||||||
4337 | 18.265 | 15.616 | 38.318 | −0.030 | na | — |
4342 | 18.100 | 15.608 | 38.241 | −0.110 | na | — |
La Rochefroide M | ||||||
4349 | 18.261 | 15.625 | 38.392 | −0.475 | na | — |
4350 | 18.321 | 15.622 | 38.305 | −0.755 | −0.072 | 0.044 |
4351 | 18.193 | 15.616 | 38.262 | −0.050 | −0.129 | 0.050 |
