'Pahoehoe lava' presentation slideshows

Chapter 7 Fires Within: Igneous Activity

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Volcanoes

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Silicate structures

Silicate structures. Volcano Types. Volcano Types. Pahoehoe Lava. Aa Lava. Lava Tubes. 10-15 my. Cenozoic Volcanism. 5-10 my. 0-5 my. Seven Sisters, San Luis Obispo. Morro rock. Flood Basalts. Modoc Plateau. Short History of the Modoc Plateau.

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VOLCANOES

VOLCANOES. YEAR 7. 1. VOLCANOES AND PLATE TECTONICS. 1995, Soufriere Volcano in Montserrat (Caribbean). Volcanic pictures A volcano is a weak spot in the crust where molten material, or magma, comes to the surface.

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Volcanic Material

Volcanic Material. P 282. Ropey or Pahoehoe lava. Ash Steam. Cinders. Weathered Lava Flow with Lichens. Lava Flow in Hawaii Pahoehoe Lava. Ash Cloud from a Cinder Cone in Mexico. Sulfur Gas Notice the sulfur on the VENT.

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On the rim of the crater

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