Volcano Powerpt
1 Chapter 18- Volcanic Activity. 2 I. Magma A. How magma forms 1. All volcanoes are fueled by magma deep beneath Earth ’ s surface. 2. Magma forms when.
VOLCANIC Magma Types Chapter 18. Introduction (1) ~ 1,500 active volcanoes on Earth 400 erupted in the last century ~ 50 eruptions per year Most activity.
Volcanism Any activity that includes the movement of magma towards or onto Earth’s surface shows/discovery- presents/videos/understanding-
Volcanism
Jeopardy start Plutons Magma Tephra Cones Eruptions.
Volcanic Activity Chapter 18.1. Magma Magma is a mixture of molten rock, minerals and gasses. Magma forms when rock melts at 800 ° C to 1200 ° C.
Fuji
Bowen’s Reaction Series Describes the formation of igneous rocks from different starting temperatures and magma compositions. Fractional Crystallization.
Magma. Composition of Magma Slushy mix of molten rock, gases, and mineral crystals Elements in magma include: Oxygen, Silicon, Aluminum, Iron, Magnesium,
