substrate composition
-
Representative image using: hydrothermal crust -
Representative image using: spatter -
Representative image using: dropstone -
Representative image using: iron oxide -
Representative image using: mud -
Representative image using: manganese crust -
Representative image using: cobble -
Representative image using: hydrothermal alteration -
Representative image using: carbonate -
Representative image using: volcaniclastic sediment -
Representative image using: pumice -
Representative image using: hydrothermal clay
