Question | Answer |
an open eruption in the earth's surface through wich lava, hot gases, and rock fragments erupt; a vent | volcanoes |
the reservoir located under the volcano where magma collects and becomes the supply of magma/lava to build the volcano | magma chambers |
the above ground structure built from lava | cone |
the path that the magma takes from the magma chamber to the vent | conduit |
molten, liquid rock on the surface of the earth | lava |
a smaller secondary volcano built on the side of or near the main volcano, but sharing the same conduit to the magma chamber | parasitic cone |
a secondary vent that emits only gases | fumarole |
a long crack in wich lava flows | fissure |
the opening of the volcano, through which lava, ash, and gases flow | vent |
a type of lava that often has a ropy or wrinkled appearance
(an old person) | pahoehoe lava |
a type of lava that hardens with a rough, jagged, sharp edge surface
(looks like thrown up broccoli) | aa lava |
a type of lava that shows sack-like segments (stuffed pillows)
(looks like the skin of a seal) | pillow lava |
where do volcanes occur? | divergent boundaries <>
convergent boundaries ><
hot spots |
what are the three types of volcano mountains? | cinder cones
shield
composite |
the type of volcano that can become active and erupt again after a "wake-up" period | dormant (sleeping) |
the type of volcano that is not expected to ever erupt again | extinct |