The domes that characterize the unit are likely volcanic edifices, the result of multiple small volcanic eruptions over an extended period of time.
22.
This distribution of vents and sometimes voluminous eruptions of fluid basaltic lava usually build up a thick lava plateau rather than a single volcanic edifice.
23.
The U-shaped volcanic edifice opens south towards the coastal piedmont, creating both cold and temperate climatic zones within a relatively small area.
24.
To complete the analogy, the huge Olympus Mons and the Tharsis Montes are merely summit cones or parasitic cones on a much larger volcanic edifice.
25.
But Krakatau is also used for the volcanic edifice as a whole, including all four islands ( Krakatau, Anak Krakatau, Verlaten and Lang ).
26.
This highly dissected volcanic edifice consists of a variety of rock types, including basanite, hawaiite, trachyte, rhyolite, phonolite and alkali olivine basalt.
27.
Over 1, 000 volcanic edifices have been identified in this zone, of which about 50 volcanoes are active or potentially active, with many exceeding in altitude.
28.
They cautioned about the claims made by Day et al .; and Ward and Day stating that there is no evidence of a mega-tsunami having been generated by volcanic edifice failure.
29.
Because the mountain is almost entirely covered in glaciers, no geological studies have been done, but published references state and the geological map shows that the mountain is an old eroded volcanic edifice.
30.
In 2005, the International Hydrographic Organization officially approved the proposal by an American arctic scientist to name Hjalmar Johansen Seamount, a newly discovered volcanic edifice on the floor of the Arctic ocean northwest of Spitzbergen.
