Porosity–permeability relationship derived from Upper Jurassic carbonate rock cores to assess the regional hydraulic matrix properties of the Malm reservoir in the South German Molasse Basin

Geothermal Energy

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Table 5 Distribution of measured porosity subject to lithology for MSC-4 and DGF-FB

Location	Lithology	Rock density, g/cm³			Grain density, g/cm³			Porosity (He), %			Porosity (H₂O), %			n
Location	Lithology	Min	Max	Med ± MAD	Min	Max	Med ± MAD	Min	Max	Med ± MAD	Min	Max	Med ± MAD	n
Moosburg SC 4	Limestone	2.12	2.70	2.63 ± 0.03	2.65	2.73	2.70 ± 0.02	0.3	22.2	2.3 ± 1.7	0.4	19.2	2.2 ± 1.2	94
	Dolom. limestone	2.15	2.72	2.55 ± 0.09	2.71	2.84	2.75 ± 0.01	2.4	20.7	7.6 ± 3.0	1.8	17.3	6.4 ± 2.3	51
	Dolostone	2.28	2.79	2.65 ± 0.07	2.73	2.85	2.80 ± 0.02	0.2	19.1	4.9 ± 2.5	0.3	18.4	2.6 ± 1.4	100
Dingolfing FB	Limestone	2.29	2.32	2.30 ± 0.01	2.71	2.71	2.71 ± 0.00	14.3	15.2	14.8 ± 0.4	13.0	14.5	13.8 ± 0.7	2
	Dolom. limestone	2.55	2.64	2.61 ± 0.03	2.73	2.73	2.73 ± 0.00	3.4	6.4	4.3 ± 0.8	2.4	5.1	3.1 ± 0.7	3
	Dolostone	2.22	2.79	2.65 ± 0.04	2.67	2.98	2.80 ± 0.01	1.6	15.6	5.5 ± 1.6	1.4	17.0	4.0 ± 1.4	45

Min minimum, Max maximum, Med median, MAD median absolute deviation, n count