Detailed Fluid Inclusion and Stable Isotope Analysis on Deep Carbonates from the North Alpine Foreland Basin to Constrain Paleofluid Evolution

Table 2

Isotope data of different rock types of the Upper Jurassic from the Molasse Basin.

Rock type	Stratigraphy	Mineral	Rock color		Median
					δ^18O [‰ PDB]	δ^13C [‰ PDB]
Limestone	ti-ox	cc-m3	Brown	16	-3.4	+ 2.0
Limestone	ti-ox	cc-m2	Gray	15	-4.3	+ 1.0
Limestone	ti-kim	cc-m1	Beige	61	-5.4	+ 1.4
Dolostone	ti	dol-2	Brown	10	-4.5	+ 2.2
Dolostone	kim-ox	dol-2	Brown	13	-4.8	+ 2.5
Dolostone	ti-ox	dol-3	Beige, massive	30	-6.1	+ 2.3
Dolostone	ti-ox	dol-1	Beige, sugar-grained	27	-7.5	+ 2.2
Vein-calcite	kim-ox	cc-v1	White	14	-15.1	-2.7
Vein-calcite	ti-kim	cc-v2	Transparent	23	-21.9	-2.2
De-dolomite	ti-kim	cc-dd	Light-beige	2	-5.3	-4.9
Vein-calcite	ti-kim	cc-v12	White, transparent	16	-5.8	-2.1
Karst-calcite	ti-kim	cc-v3	Yellow to red-coated crystals	9	-7.9	-7.0

Data from outcrop samples. n = sample count. stratigraphy—origin of samples: ti = Tithonian; kim = Kimmeridgian; ox = Oxfordian.