geological feature
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Representative image using: joint -
Representative image using: gravel -
Representative image using: a'a -
Representative image using: columnar jointed outcrop -
Representative image using: crust -
Representative image using: tumulus -
Representative image using: cave -
Representative image using: lava whorl -
Representative image using: bedding -
Representative image using: drained pillow -
Representative image using: collapse pit -
Representative image using: hole pair burrow
