Historical Geology Understanding Our Planet\'s Past

Figure 104Location of

the Old Red Sandstone

in Northern Europe.

Figure 105A limestone

formation of the Bend

Group of the Sierra

Diablo Escarpment,

Culberson County,Texas.

(Photo by P. B. King,

courtesy of USGS)

DEVONIAN FISH

Old red sandstone
Mixed marine and non-marine
Marine

EUROPE