| Term | Definition |
|---|
| Mid-Atlantic ocean ridges | pressure decreases (trigger), basalt (composition) |
| Subduction zones | water added (trigger), Andesites (composition) |
| Hot Spots | heat added (trigger), Basalts (composition) |
| Ring of Fire--Pacific Rim | majority of land volcanoes are found due to subduction zones |
| Volcanic edifices | Created by successful eruptions from the magma chambers |
| Crater | an active, non-violent eruption |
| Caldera | Latin for Calderon, an active, violent, destroyed magma chamber |
| Shield Volcano | Huge, massive, broad, gentle, composition formed by basaltic lava flows (Hawaiian eruption occurred in oceanic hot spots, e.g. Hawaii and Iceland) |
| Composite/Strato Volcano | Steep, tall peaks, picturesque, composed by pyroclastic flows and lava flows, andesites (Plinian eruption, e.g. Mt St. Halens, Mt. Vesuvieus) occur over subduction zones |
| Cinder cones | Steep, small peaks, short-lived, basaltic pyroclasts composition (Strombolian eruption, firework type of explosion, e.g. Paricutin eruption, Mexico) occurs anywhere where we can find a volcanic field |
Combine with other sets
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