Table 1 Origin and contextual data with respect to processed rock samples. Pandora DB refers to the internal sample database of the MPI SHH/MPI EVA, pwd refers to rock powder samples, and pc refers to rock pieces samples
From: A glimpse of the paleome in endolithic microbial communities
Sample ID | Pandora DB ID | Sampling depth (mbsf) | Aquifer type | Water saturation (in situ) | Rock typea, genetic porosityb, pore size classesc | Milieu indicators (plug, Munsell colors) | Oxicity | Porosityd (%) | Pore size range (mm) | Total carbon (%) | Organic carbon (%) | Estimated cell concentration (g−1) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
H13-17 | SET004.B0103 (pwd) SET004.B0203 (pc) | 14.34–14.48 | Fracture/karst | Saturated | Limestone (packstone); D (e); mc, sms-lms | Matrix: 2.5Y 6/2; secondary Fe-minerals in pores | Oxic | 8.9 | 0.02–1.58 | 12.00 ± 0.02 | 2.95 ± 0.69 | 3.62E + 05 |
H22-8 | SET005.A0103 (pwd) SET005.A0203 (pc) | 13.61–13.70 | Fracture | Unsaturated | A: Delithified argillaceous marlstone; F, D (e); mc B: Delithified calcareous mudstone; F, D (e); mc | A, matrix: 2.5Y 7/4; B, matrix: 2.5Y 7/2 | Oxic to suboxic | Na | Na | A: 5.52 ± 0.18 B: 8.60 ± 0.10 | A: 1.42 ± 0.47 B: 2.12 + 0.26 | 4.25E + 05 |
H22-30 | SET004.A0103 (pwd) SET004.A0203 (pc) | 32.55–32.80 | Fracture | Unsaturated | Limestone (oolithic packstone); D (e), F; mc, sms-lms | Matrix: 2.5Y 6/2; secondary Fe-minerals in pores | Oxic | 2.4 | 0.02–0.52 | 11.92 ± 0.08 | 0.73 ± 0.09 | 2.38E + 05 |
KS36-H32 | SET001.B0104 (pwd) SET001.B0203 (pc) | 8.92–9.06 | Fracture | Unsaturated | Limestone (packstone); D (e); mc, sms-lms | Matrix: 5Y 5/1; secondary Fe-minerals in pores | Oxic | Na | Na | 12.39 ± 0.17 | 0.59 ± 0.14 | 3.52E + 05 |
CM1-H32 | SET003.A0103 (pwd) SET003.A0203 (pc) | 21.9–22.0 | Fracture | Saturated | Calcareous mudstone to limestone (wackestone); D (r); mc | Matrix: 10Y 3.5/1 | Oxygen deficient | Na | Na | 10.74 ± 0.05 | 8.17 ± 1.49 | 4.12E + 05 |
INF-MB2 | SET001.A0103 (pwd) SET001.A0203 (pc) | 285.44–285.62 | Aquitard | Saturated | Calcareous mudstone; D (r); mc | Matrix: 5GY 2.5/1 | Anoxic | Na | Na | 8.61 ± 0.09 | 2.93 ± 0.07 | 2.94E + 05 |
INF-MB3 | SET002.A0103 (pwd) SET002.A0203 (pc) | 295.71–295.87 | Aquitard | Saturated | Limestone (packstone to grainstone); D (r); mc | Matrix: 5Y 6/1; bioclasts: N3 | Anoxic | 0.9 | 0.02–0.28 | 12.28 ± 0.01 | 0.86 ± 0.01 | 2.94E + 05 |