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Now showing items 1-10 of 10
Scoria (cinder) cones
(2009-03)
Pahoehoe, aa, and blocky lavas
(2009-03)
Pyroclastic flows and surges
(2009-03)
Layers in intrusive rocks
(2009-04)
Pillow lava, hyaloclastite and peperite
(2009-03)
Magma mingling
(2009-04)
Shield volcanoes
(2009-03)
Spatter
(2009-03)
Maars, tuff rings and tuff cones
(2009-03)
Sills and laccoliths
(2009-04)