Volcanic activity occurs at...
Passive plate boundaries
Constructive plate boundaries
Destructive plate boundaries
Hotspots
Mount St Helen's is
Active
Dormant
Extinct
Slemish Mountain Co. Antrim is
Exctinct
Cotopaxi in Peru is
Pyroclastic flows are also called
Nuée Ardentes
Lahars
An increase in the emission of this gas indicates an eruption
Carbon dioxide
Chlorine
Sulfur dioxide
55% silica gives rise to
Basic lava
Acidic lava
70% silica gives rise to
Dome volcanoes such as Puy de Domes in France form from
Shield volcanoes such as the Hawaiian island of Mauna Loa are formed from
Runny, ropey lava
Aa
Pahoehoe
Pillow
Lumpy lava
Rounded blobs of lava on the sea floor
The Antrim-Derry Plateau formed as a result of
Basic lava flows
Acidic lava flows
A batholith is
An intrusive landform
An extrusive landform
A volcanic cone and a basalt plateau are both examples of
Intrusive landforms
Extrusive landforms
