Paleozoic Earth History - The Changing Earth: Exploring Geology and Evolution - page 547

◗ Figure 20.19 The Ancestral Rockies

Idaho

Wyoming

A

Utah Nebraska

Uncompahgre uplift

Front Range-Pedernal uplift

Oquirrh
Basin

Central
Kansas
uplift

Emery uplift

Colorado

Kansas

Nevada

A'

Paradox
Basin

Oklahoma

California

New
Mexico

Arizona

Red River uplift

Texas

Ancestral Rocky
Mountains

Mexico

a Location of the principal Pennsylvanian
highland areas and basins of the
southwestern part of the craton.

(a)

Upper Pennsylvanian-Lower Permian Ancestral

Rocky
Mountains

Central
Colorado
Basin

Antler Highlands

Oquirrh
Basin

b Block diagram of the Ancestral Rockies,
elevated by faulting during the Pennsylvanian
Period. Erosion of these mountains produced
coarse, red sediments deposited in the adjacent
basins.

(b)

(c)

A

Cordilleran
mobile belt

Craton

Faults

A'

c Garden of the Gods, view from Near Hidden Inn, Colorado Springs, Colorado.