Page 327 - Volcano and Geothermal Tourism

Landforms and morphogenesis Examples Paricutín in Mexico, with several cones and craters, volcanic cones, shields, domes and spines • steep scoria (cinder) slopes, airfall ash deposits and central, fissure or areal in extent • extensive blocky to aa lava flows. with or without craters and calderas • large to small in height, and in crater diameter and depth • single or multiple landforms; nested or parasitic • characterised by their shape and slope angle • Exposure of volcanic necks (Le Puy-en-Velay in erosion by water, wind and ice •

Table 20.2 Four types of volcanic landforms

Types of landforms Constructional volcanic landforms Original constructional volcanic landforms affected by subsequent erosion Lava flows Ash falls and ash flows Source: Joyce, 2009

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