Stepped rock layers in a canyon wall, desert landscape.
Schlüsselwörter
chert,
stone,
sand,
slate,
shale,
conglomerate,
ash,
scoria,
sandstone,
marble,
travertine,
flint,
crater,
lava,
earth,
spring,
rock,
fumarole,
geyser,
dolomite,
dirt,
limestone,
dirtied,
mud,
silt,
pumice,
tuff,
hot,
clay
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