Table 2. Information on Mn-rich outcrops analysed in this study.
| Outcr code | Outcr name | Village | Reg | Geographic coordinates | BRGM map | Host formation | Dep. App. | Mine Quar. | N | Analyses | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lat | Long | OM | ICP-MS | ED-XRF | SEM-EDS | XRD | |||||||||
| TEY | Teyjat | Teyjat | Do | 45.5808328 | 0.596588 | 710 | Quaternary colluvium | Pat. | 1 | x | x | x | |||
| TRA | Tranche -couyère | Saint Martin le Pin | Do | 45.563271 | 0.608526 | 710 | Tertiary sand and clay deposits alternating a Jurassic limestone | Nod. | 1 | x | x | x | |||
| BEY | Carrière Le Verdier | Les Eyzies de Tayac Sireuil | Do | 44.92127 | 1.097517 | 807 | Quaternary rock debris deposits | Nod. | x | 1 | x | x | x | x | x |
| VER | Grotte de Beyssac | Les Eyzies de Tayac Sireuil | Do | 44.947805 | 1.064429 | 808 | Cretacic calcarenite | Lens | 6 | x | x | x | x | x | |
| CAV | Grotte—Cave | Saint André d’Allas | Do | 44.917836 | 1.121022 | 808 | Cretacic calcarenite | Crust | 2 | x | x | x | x | ||
| LOU | Grotte du Loup | Saint André d’Allas | Do | 44.919497 | 1.11978 | 808 | Cretacic calcarenite | Crust | 4 | x | x | x | x | x | |
| SAR | Sarlat | Sarlat la Canéda | Do | NA | NA | 808 | Cretacic calcarenite | Lens | 1 | x | x | x | x | ||
| THE | Le Theil | Vitrac | Do | 44.840691 | 1.24573 | 808 | Cretacic limestone | Var. | x | 3 | x | x | x | x | x |
| BOU | Le Trou du Vent | Bouzic | Do | 44.71912 | 1.221456 | 832 | Jurassic limestone | Var. | 4 | x | x | x | x | ||
| CAU | Causse du Cluzel | Pontcirq | Lo | 44.529568 | 1.263074 | 856 | Jurassic limestone | Tab. | x | 3 | x | x | x | x | x |
| SAL | Sals | Labastide du Vert | Lo | 44.514082 | 1.252215 | 856 | Jurassic limestone | Tab. | x | 3 | x | x | x | x | |
| ALB | Albas | Albas | Lo | 44.460711 | 1.254982 | 856 | Jurassic limestone | Var. | x | 3 | x | x | x | x | |
Outcr.: outcrop; Reg.: region; Lat.: latitude; Long.: longitud; BRGM: Bureau de Recherches Géologiques et Minièresgeological map. Scale: 1/50000; Dep. App.: deposit appearance; Pat.: patina; Nod.: nodule; Var.: variable; Tab.: tabular; Quar.: quarry; N: number of analysed samples; Do: Dordogne; Lo: Lot. NA: Not available.