| Sample number | Total carbon (ppm) | Total corganic (ppm) | Hydrocarbons (HC) (ppm) | n-alkanes | δ 13CVPDB (‰) on TOC | Steranes | Hopanes | PAHs* | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Range | Cmax | CPI | Mean carbon number | |||||||||
Serpentinite | ||||||||||||
 Massive serpentinite | 5, 16 | 395–3135 | 102–176 | 23–900 | 16–39 | C20, C29 | 0.76–1.29 | 20–28 |  | BDL | BDL | * |
 Serpentinite with numerous Ca veins | 24, 26, 44, 47 | 20400–42500 | 19–135 | 1–124 | 16–35 | C20, C26 | 0.8–1.05 | 22–28 |  | BDL | * | * |
 Red serpentinite (with hematite) | 71 | 88205 | 268 | 1 | 17–35 | C26 | 1.17 | 22.3 |  | BDL | BDL | ** |
 Serpentinite gouge | 69 | 539 | 284 | 3 | 17–33 | C29 | 0.94 | 26.0 |  | BDL | * | BDL |
 Serpentinite cataclasite | 70 | 876 | 269 | 46 | 17–36 | C20 | 0.94 | 24.1 |  | BDL | BDL | ** |
 Massive serpentinitea | 77, 78 | 454 | ≈190 | 0.05–4 | 17–40 | C29 | 0.84–0.97 | 29–30 |  | BDL | * | BDL |
Ophicalcite | ||||||||||||
 Neptunian dykes | 1, 23 | 95600–107500 | 15–103 | 0.03–121 | 17–35 | C29 | 1.05 | 27–29 | −27.06 | ** | ** | ** |
Tectono-sedimentary ophicalcite | ||||||||||||
 Red matrix, serp. claste and Ca veins | 21, 25, 39, 41, 42, 46, 66 | 33360–101700 | 11–116 | 2–2470 | 17–38 | C18 to C28 | 0.81–1.42 | 23–31 | −27.4 | ** | ** | ** |
 Reworked tec-sed. ophicalcite | 9 | 106000 | 86 | 50 | 16–36 | C22 | 0.65 | 24 | −26.1 | BDL | * | ** |
 Serp.clasts in Ca veins | 72 | 69600 | 30 | 124 | 20–36 | C29 | 0.90 | 28 |  | BDL | BDL | BDL |
Sediments | ||||||||||||
 Radiolarite from sulphide rich outcrop | 62, 68 | 671–13200 | 66–187 | 1–17 | 17–34 | C20 C31 | 1.19–2.87 | 24–28 |  | BDL | ** | * |
 Siliceous shale from sulphide rich outcrop | 60, 61 | 384–672 | 194–433 | 22–144 | 16–37 | C20 C27 | 1.05–1.52 | 23–25 |  | ** | ** | ** |
 Siliceous shale near sulphide rich outcrop | 15, 18 | 285–318 | 136–145 | 13–27 | 16–33 | C18,C20 | 0.95–1.19 | 23–24 |  | * | * | BDL |
 Limestones | 10,19 | 98200–129000 | 74–82 | 79–171 | 16–35 | C22, C27 | 0.92–0.94 | 23–27 | −26.62 | BDL | *** | *** |
Limestone from parsennhütte | 53, 54, 56, 57, 58 | 46500–94500 | 14–92 | 3–238 | 16–37 | C23, C29 | 0.82–1.10 | 22–23 |  | * | * | ** |
 Sulphide rich outcrop | 63, 64, 65 | 442–90400 | 153–647 | 1–24 | 17–33 | C20, C27 | 0.93–1.55 | 23–26 | −26.02 | ** | ** | ** |