'Low silica content' presentation slideshows

Warm-Up 9-12

Warm-Up 9-12. If a region of a map has contour lines close together what does that tell you about the region? Why do contour lines never overlap? Draw a small contour map of a 100m tall mountain with two peaks. Maps and Topography! To LITHOSPHERE!. Rocks. What is a Rock?.

695 views • 58 slides

Chapter 11

Chapter 11. Review Game. 1. Dikes are formed when __________. The top of a volcano collapses down Magma enters a horizontal crack and hardens Magma enters a vertical crack and hardens Magma cools underground before reaching the surface.

406 views • 33 slides

Chapter 10-Volcanoes and Other Igneous Activity

Chapter 10-Volcanoes and Other Igneous Activity. Video. http://www.youtube.com/watch?v=OowFvnlWI90 http://www.youtube.com/watch?v=1mzqG9L2kiM&NR=1&feature=fvwp What makes this happen?!. Origin of Magma. When solid rock, located in the crust and upper mantle , partially melts Role of Heat:

664 views • 26 slides

Volcanoes and Volcanism Nature of Volcanoes - Status

410 views • 26 slides

Volcanism

587 views • 22 slides

Earth Science 10.2A The Nature of Volcanic Eruptions

Earth Science 10.2A The Nature of Volcanic Eruptions. The Nature of Volcanic Eruptions. Earth Science 10.2 The Nature of Volcanic Eruptions. O n May 18 th , 1980, Mount St. H elens erupted with tremendous force. The blast blew out the entire north side of the volcano.

650 views • 18 slides

850 views • 17 slides

Igneous Rocks

Igneous Rocks. What causes rocks to melt?. The obvious answer is heat. at Earth's surface, melting begins around 800 o C Melting temperature is also a function of pressure and water content. as press. increases, melting temp. increases as water content increases, melting temp. decreases.

166 views • 16 slides

Unit 9-1: The Rock Cycle Part 1

314 views • 15 slides

Crater Lake Jena Hershkowitz and Ethan Farina-Henry

Crater Lake Jena Hershkowitz and Ethan Farina-Henry. FLUIDITY AND VISCOSITY OF MAGMA. IGNEOUS PROCESSES AND IGNEOUS ROCKS. Magmas tend to rise. Less dense than solid rock. Liquid rock has more volume than solid. Rise is controlled by FLUIDITY of the magma.

123 views • 12 slides

Volcanoes

Volcanoes. You need to know: There are 3 types of volcanoes which are determined by the lava eruptions that form them Types of eruptions are determined by the composition of the lava and gasses There are many different things that come out of a volcano Volcanoes occur at different places.

245 views • 10 slides

Shield Volcanoes

427 views • 9 slides