id	keyword
gc-1053	porosity
gc-1053	rock
gc-1053	claystone
gc-1053	voxel
gc-1053	core
gc-1053	cluster
gc-1053	doi
gc-1053	ray
gc-1053	et al
gc-1053	mean
gc-1053	dry
gc-1053	fig
gc-1053	formation
gc-1053	values
gc-1053	sample
gc-1053	components
gc-1053	voxel porosity
gc-1053	siltstone