Compaction of Hyaloclastite from the Active Geothermal System at Krafla Volcano, Iceland

Table 3

Porosity, permeability, uniaxial compressive strength, and Young’s modulus results.

Sample		Porosity (%)	Permeability (m^2)	UCS (MPa)	Young’s modulus (GPa)
Depth	Sample ID
0 m	H1 0 m	39.7
	H2 0 m	39.8
	H3 0 m	38.6
	H4 0 m	40.8		5.4	0.8
	H5 0 m	39.7
	H6 0 m	39.8
	Average	39.7
70 m	H1 70 m	21.9
	H2 70 m	22.5		10.3	1.4
	H3 70 m	19.7
	H4 70 m	24.0
	Average	22.1
556 m	H1 556 m	12.1
	H2 556 m	13.8		37.1	8.6
	H3 556 m	11.8
	Average	12.5
732 m	H1 732 m	13.1
	H2 732 m	12.9		40.0	13.1
	H3 732 m	13.9
	Average	13.3