substrate composition
-
Representative image using: spatter -
Representative image using: shell hash -
Representative image using: iron oxide -
Representative image using: mud -
Representative image using: hydrothermal sediment and bacterial floc mixture -
Representative image using: vent fluid -
Representative image using: sand -
Representative image using: ash -
Representative image using: volcaniclastic rock -
Representative image using: pebble -
Representative image using: hydrothermal alteration -
Representative image using: cobble
