quartzite rock, non-foliated metamorphic rock

abstract aravalli background belts cleavage close closeup cobble color composed compression crystalline delhi detail due fine finegrained foliated forms gemology geological geology grained granite gray grunge hill himalayas homogeneous iron macro marble material metamorphic metamorphism mineral monozite mountain natural nature nonfoliated orogenic oxide pattern presence quartz quartzite red rock rocky rough sandstone sedimentary stone supergroup surface tectonic tectonics texture textured volcanic weathered