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Volcanos ch10
| Question | Answer |
|---|---|
| Cinder Cone | ejected lava fragments the size of cinders which harden in the air build this; lose pyroclastic material on sides. |
| Shield Volcanos | produced by the accumulation of fluid basaltic lavas |
| Composite Cones | large nearly symmetrical structure composed of layers of both lava and pyroclastic deposits |
| Pahoehoe flows | resimble twisted braids in ropes. fluid basaltic lavas harden they commonly form a skin that wrinkles as the still molten subsurface lava continues to move |
| aa flows | has a surface of rough jagged blocks with dangerously sharp edges and spiny projections. |