Page 142 - Fundamentals of Geomorphology
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SMALL-SCALE TECTONIC AND STRUCTURAL LANDFORMS 125
() Cumulo-dome () Coulée
a
b
d
c
( ) Peléean dome () Upheaved plug
Spine
Talus
apron
Disturbed
regolith
Figure 5.7 Lava domes. (a) Cumulo-dome. (b) Coulée. (c) Peléean dome. (d) Upheaved plug. Not drawn to scale.
Source: Adapted from Blake (1989)
Plate 5.4 Novarupta rhyolite tholoid formed in 1912 in the Katmai caldera, Katmai National Park, Alaska.
(Photograph by Tony Waltham Geophotos)
