Gas eruption Lava flow (rapid)
Lava tubes
Ash Bomb
Cinder cone (cinders)
Cinder cones
St. Pierre, Martinique One survivor Instant flow
Old Faithful
Sulfur — S Galena — PbS 2.0 7.5
Fine Coarse ?????
Magma composition changes
Conglomerate Breccia
Sand 1/16 to 2 mm
Shale
Conglomerate Breccia rounded angular less eroded more eroded
Gypsum
Chalk
Oolites
Travertine
Chert=silica
Water is the great eroder
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