'Andesitic' presentation slideshows

Volcanoes

Volcanoes. Volcanoes. Magma formation. Magma formation is influenced by depth, pressure, temperature, and the presence or absence of water (which influences melting point). Three major igneous rock types, basalt, andesite , and rhyolite , form three corresponding types of magma.

727 views • 30 slides

Volcano Review

Volcano Review. Earth Science . 1.A composite volcano is made from. lava tephra Lava and tephra. Response Grid. 10. Countdown. 3.A cinder volcano is created at a. Collision boundary Subduction boundary Divergent boundary Transform boundary. Response Grid. 10. Countdown.

461 views • 23 slides

Seafloor Spreading Theory

811 views • 21 slides

Rock and Mineral Test Practice

291 views • 19 slides

Types of Magma and Magma Formation

Types of Magma and Magma Formation. Sam Mellon Jacob Cauvel Codey Yurkewicz. Types of Magma. Basaltic Magma Andesitic Magma Rhylic Magma. Basaltic Magma. The temperature of basaltic magma is between 1000 and 1200 degrees Celsius. .

478 views • 11 slides

Volcano Explosions and Types

Volcano Explosions and Types. What causes different types of explosions?. Trapped gases: Water vapor and carbon dioxide can be trapped in the magma Results in an explosive eruption Composition Silica poor Silica rich. Silica Poor. Low in silica- basaltic magma

288 views • 9 slides

Igneous Rocks

225 views • 9 slides

Magma

Magma. Composition of Magma. Slushy mix of molten rock, gases, and mineral crystals Elements in magma include: Oxygen, Silicon, Aluminum, Iron, Magnesium, Calcium, Potassium, and Sodium. Most abundant molecule is Silica. Formation of Magma.

596 views • 8 slides