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Troublesome Fm

Sandstone and siltstone; in Middle Park
State Colorado
Name Troublesome Fm
Geologic age Phanerozoic | Cenozoic | Tertiary
Primary rock type sandstone
Secondary rock type siltstone
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Siltstone
Map references
Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Unit references
Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Counties Grand - Summit