substrate composition
-
Representative image using: volcaniclastic rock -
Representative image using: sand -
Representative image using: shell hash -
Representative image using: pebble -
Representative image using: hydrothermal sediment and bacterial floc mixture -
Representative image using: ponded sediment -
Representative image using: hydrothermal crust -
Representative image using: cobble -
Representative image using: dropstone -
Representative image using: carbonate -
Representative image using: vent fluid -
Representative image using: Monterey formation
