shield volcano

(redirected from Shield volcanoes)
Also found in: Dictionary.
Related to Shield volcanoes: stratovolcanoes

shield volcano

[′shēld väl‚kā·nō]
(geology)
A broad, low volcano shaped like a flattened dome and built of basaltic lava. Also known as basaltic dome; lava dome.
References in periodicals archive ?
Even though shield volcanoes occur in many volcanically active regions in the United States, they are especially common in this southwest corner of the Mount Washington Wilderness.
Shield volcanoes get their name because they resemble the broad, rounded shape of ancient Roman shields.
Because the plate moves over the hot spot, a chain of shield volcanoes can be built up in this way, marking the trace of the relative motion.
Many Hawaiian volcanoes are wide shield volcanoes. They are formed by fast moving, runny lava.
Melts form at the highest temperatures and lowest pressures resulting in large volumes of tholeiitic magma that form shield volcanoes such as Mauna Loa.
The huge cracks would have formed as magma uplifted the crust out to the west of Valles Marineris, forming four immense shield volcanoes, including Olympus Mons - Mount Olympus -the largest volcano known to us, anywhere.
Emperor is an epithermal gold deposit on the western margin of the caldera of the Tavua shield volcano, the largest of at least six major shield volcanoes on the island of Viti Levu.
This lonely setting lends a stark beauty to the lake, sitting as it does amid ancient shield volcanoes now blanketed with pines and firs.
They're dead ringers for the kind of broad shield volcanoes found on Earth (think "Mauna Kea") and other inner planets--and very unlike anything ever seen on dozens of icy moons in the outer solar system.
In Hawaii, the landscape is dominated by shield volcanoes (such as Hawaii's Mauna Loa).
Shield volcanoes are gently sloped, broad-based mountains created when lava erupts from many vents and fissures.