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Table 1 Results by lithology including mineralogy and texture observed in hand specimens and the texture on the calcites used for the isotopic analyses (δ13CVPDB, δ18OVPDB)

From: Preserved organic matter in a fossil Ocean Continent Transition in the Alps: the example of Totalp, SE Switzerland

Rock type Sample number Coordinates (UTM)   Locality Macroscopic description Mineralogical description Texture Carbonate texture δ 13CVPDB (‰) Ca veins δ 18OVPDB (‰) Ca veins
X (m) Y (m)
Serpentinite
 Massive  serpentinite 5 561895 5188662 Parsennfurgga Massive black serpeninite with white angular borders defining the experidotite minerals, small green chrysotile veinlets and white carbonate veinlets Olivine completely replace by serpentine minerals, phantoms of pyroxene, magnetite, later carbonate vein; calcite veins with only one stage of crystal growing Mesha    
16 561522 5188399 2442 m. Obersasställi-Parsennfurga Calcite vein, 1st generation 0.11 −10.2
 Serpentinite with numerous calcite veins 24 561514 5188009 Obersasställi Broken serpentinite clasts from a first generation of greyish deformed calcite veins crosscut almost perpendicularly by a second generation of white calcite veins Mainly mesh texture with rare ribbon texture; randomly dispersed anhedral magnetite grain; later veins of chrysotile Clast supported brecciaa Calcite vein, 1st generation 0.03 −11.75
26 561504 5188010 2442 m. Obersasställi-Parsennfurga    
44 561518 5188415    
47 561540 5188427    
 Red serpentinite 71 561588 5188095 2442 m. Obersasställi-Parsennfurga Red matrix with dark-black deformed clasts/veins with numerous calcite veins, also contain dark green serpentinite The serpentinite is lizardite containing also talc and calcite; the red colour is due to hematite (4%) Red serpentinite breccia Calcite vein, 2st generation 1.37 −11.3
Serpentinite gouge 69 561929 5187152 Obersasställi Black fine-grained deformed serpentinite with equant serpentine grain following and distributed systematicaly and fine short veinlets (chrysotile; calcite) No thin section or XRD Fine grained    
 Serpentinite cataclasite 70 561929 5187152 Obersasställi Black serpentinite with subangular serpentinie clasts showing no prefered orientation No thin section or XRD Fine grained    
 Massive serpentinite* 77 561482 5187004 Weissfluhjoch Black serpentinite with sub-rounded anhedral white-grayish peridotite mineral (pyroxene) and small chrysotile veins No thin section or XRD Mesh    
78 561482 5187004
Sedimentary ophicalcite
 Limestone (Neptunian dykes) 1 561543 5188408 2442 m. Obersasställi-Parsennfurga Fine micritic pink and red pelagic limestone; serpentine minerals as clasts and veins Three types of carbonate crystal growing; the matrix composed of rounded to angular coarse grains with hornblend floating randomly in the matrix Porphyro-clastica Calcite vein, 2nd generation 1.56 −6.4
23 561514 5188009 Obersasstalli     
 Tectono-sedimentary  ophicalcite 21 561520 5188015 Obersasställi Red fine carbonate matrix with black anhedral serpentinite broken clasts crosscutted by calcite veins Serpentinites clasts broken by several generation of carbonate veins; several stage of crystal growing for the carobnates; Fine grained with clastsa    
25 561511 5188009 Calcite vein, 1st generation 0.32  -11.7
39 561515 5188439 2442 m. Obersasställi-Parsennfurga Calcite vein, 1st generation 0.58  -10.9
41 561572 5188406 Calcite vein, 2nd generation 1.78  -7.1
42 561572 5188406 Calcite vein, 1nd and 2nd gener 0.42; 1.07 −10.3; −8.6
46 561540 5188418    
66 564260 5190402 Near Grüenhorn Calcite vein, undetermined generation 1.86 −6.2
 Reworked tec-sed ophicalcite 9 562586 5188578 Parsennfurga-Parsennhütte Pink carbonate with randomly orientated elongated clast of ophicalcite (serpentinite + carbonate); numerous calcite veins No thin section or XRD reworkeda    
 Vein supported serpentinite breccia 72 561929 5187152 2442 m. Obersasställi-Parsennfurga Centimetric angular clasts of green serpentinite tectonically broken by calcite veins No thin section or XRD Vein supported breccia Calcite vein, undetermined generation 1.60 −10.6
Sediments
 Radiolarite 62 564212 5190386 Near Grüenhorn from sulphide rich outcrop Hard fine grained red siliceous rock; post deposition quartz vein perpendiulcar to the geometry of deposition No thin section or XRD Fine grained Post-deposit calcite vein −0.79 −6.4
  68 564252 5190393    
 Siliceous shale 60 564212 5190386 Near Grüenhorn from sulphide rich outcrop Greyiish-reddish fine grained siliceous rock, great porosity and numerous fractures Composed mainly by quartz (46%), plagioclase(30%), chlorite, muscovite and hematite Fine grained    
61 564212 5190386    
15 564049 5189517 Gotschnagrat Red and grey fine grained intercalated siliceous shale with deformed quartz veins Dominated by quartz (89%) with plagioclase, muscovite, chlorite and trace of hematite Fine grained    
18 564213 5189544    
 Limestone 10 562494 188558 Parsennfurga-Parsennhütte Grey limestone with numerous calcite veins of two generation almost perpendicular to each other Pelagic limestone, evidence of fossil organisms filled by sparry calcite Fine grained    
19 563790 5189694 Gotschnagrat Calcite vein, 1st generation 0.56 −6.5
 Limestone 53 563144 5188716 South from Parsennhütte Grey limestone with fine greyish veinlets and rare short calcite veins with pink pelagic limestone (hematite) in places No thin section or XRD Fine grained    
54 563140 5188707    
56 563140 5188707    
57 563144 5188716    
58 563144 5188716    
 Carbonate (sulphide rich outcrop) 63 564212 5190386 Near Grüenhorn Carbonate rock with deformed quartz veins; microscopic grain ofpyrite everywhere except in the quartz and calcite veins Dominated by calcite (53%) with quartz, chlorite (12%) and pyrite Porphyro-clastic    
64 564212 5190386 Calcite vein, 2nd generation 1.4 −6.6
65 564252 5190393 Very fractured sample with greater porosity    
  1. The vein generation is defined from the specific example and may not correlate across all samples
  2. * All lithology are from the lower sub-unit with the exception of the massive serpentinite (samples 77, 78)
  3. aThin section of the lithology is observed