VOLCA.NO TYPE |
VOLCANO SHAPE |
SCORIA CONE |
Straightsides witti st&ep slopes; larg* summrt craier |
SHIELD V0LCA.NO |
Very genłle slopes; convex vpMa r-d |
STRATOVOLCAMO |
1 Gertl* lowerslopes. butsteep uppsrslłpfcs: cor«cavs upward; smali summit crater |
COMPOSITION |
ERUPTION TYPE |
Basalt tephra; |
Strornbolian |
occasionally andesitic | |
Ba salt lava flows |
Hawaiian |
Highly variable; | |
alternating basaltic to | |
rhyolitic lavas and tephra |
Plmian |
with an overall andesite | |
composition |