PHOTO PATTERN DATA ELEMENTS: GRANITE/GNEISS
The Middle Rocky Mountains- A part of a rocky mountain chain, this area is a complex
of mountains, intermontain basins, and detached outliers rising about flatter country. The
Absoroka Range is structured as an elongated dome- with a core of granitic rock,
surrounded by sedimentaries. Local glaciation has produced cirques and rounded valleys.
(Semi-Arid)
Form
Dome/Ridge, bold, dome-like hills, sharp irregularities
with softly-rounded tops, steep sideslopes.
Drainage
Dendritic, medium.
Gully Characteristics
U-shaped.
Special Features
Bold, dome-like hills.
Color (Photo Gray Tones)
Dull gray.
Land Use
Forest and grassland (undeveloped).
Vegetation
Forests, grassland (natural cover).
Source: Terrain analysis procedural guide for surface configuration, US Army engineer
topographic laboratories, p. 7-129