substrate composition
-
Representative image using: sand -
Representative image using: ponded sediment -
Representative image using: shell hash -
Representative image using: hydrothermal alteration -
Representative image using: hydrothermal crust -
Representative image using: volcaniclastic rock -
Representative image using: manganese crust -
Representative image using: iron oxide -
Representative image using: dropstone -
Representative image using: pebble -
Representative image using: hydrothermal clay -
Representative image using: carbonate
