PHOTO PATTERN DATA ELEMENTS: CONE, VOLCANIC
The Apennines- The physiography of this region constitutes the marginal Tyrrhenian
block adjacent to a chain of volcanoes and cinder cones, including Etna and its associates
and the old sunken block relating to the Apennine folds. The volcanic emissions came to
the surface along this zone of disturbance. (Dry, Subtropic)
Form
Cone formation, circular to oblong in plan view, dishshaped interior. There is indication of recent lava flows as
well as extinct volcanoes.
Drainage
Radial drainage pattern.
Gully Characteristics
Sag and swell gullies.
Special Features
Cone shape.
Color (Photo Gray Tones) On recently active cinder cones, a dark tone is noticeable;
on old cinder cones which have vegetation growing, the
tone is light.
Land Use
Some cultivation of lower slopes.
Vegetation
Tree cover, scrub growth.
Source: Terrain analysis procedural guide for surface configuration, US Army engineer
topographic laboratories, p. 7-103