Volcanoes and Magma
... rock rise toward the surface. Some of the magma may feed volcanoes on the Earth's surface, but most remains trapped below, where it cools very slowly over many thousands or millions of years until it solidifies. Slow cooling means the individual mineral grains have a very long time to grow, so they ...
... rock rise toward the surface. Some of the magma may feed volcanoes on the Earth's surface, but most remains trapped below, where it cools very slowly over many thousands or millions of years until it solidifies. Slow cooling means the individual mineral grains have a very long time to grow, so they ...
Minerals, Igneous Rocks, Volcano, Plate Tectonics, Weathering
... Scenario: You are a prominent Volcanologist and are studying a volcano that is on the verge of an eruption. You are trying to determine which type of volcano it is and whether it will be an explosive of non-explosive eruption. Here are your clues: gentle slopes, high magma volume, basaltic magma, lo ...
... Scenario: You are a prominent Volcanologist and are studying a volcano that is on the verge of an eruption. You are trying to determine which type of volcano it is and whether it will be an explosive of non-explosive eruption. Here are your clues: gentle slopes, high magma volume, basaltic magma, lo ...
LECTURE 15 - Volcanic Rocks 2
... Felsic magmas will either (1) erupt explosively to produce extensive deposits of tephra, or (2) nonexplosively to produce degassed, viscous lava (domes, coulees, or obsidian flows) which advance only short distances from their vents. There has been a significant amount of controversy, therefore, ove ...
... Felsic magmas will either (1) erupt explosively to produce extensive deposits of tephra, or (2) nonexplosively to produce degassed, viscous lava (domes, coulees, or obsidian flows) which advance only short distances from their vents. There has been a significant amount of controversy, therefore, ove ...
ROCKS AND MINERALS article Homework
... rocks underground to melt. This hot, liquefied rock is called magma. In places where the Earth’s plates are moving apart, magma can break through to the surface. When that happens at a hotspot like a volcano, it’s called lava. As magma and lava cool down and harden, they form igneous rocks. Two exam ...
... rocks underground to melt. This hot, liquefied rock is called magma. In places where the Earth’s plates are moving apart, magma can break through to the surface. When that happens at a hotspot like a volcano, it’s called lava. As magma and lava cool down and harden, they form igneous rocks. Two exam ...
exam review 47KB Jan 13 2011 08:15:11 PM
... - Be able to draw, name and describe the eruption types of all three volcano types - be able to draw and label a diagram of a volcano - understand the factors that affect eruption type (gas content, viscosity) what combinations make violent eruptions vs gentle eruptions - what comes out of a volcano ...
... - Be able to draw, name and describe the eruption types of all three volcano types - be able to draw and label a diagram of a volcano - understand the factors that affect eruption type (gas content, viscosity) what combinations make violent eruptions vs gentle eruptions - what comes out of a volcano ...
What is a Volcano? - Trimble County Schools
... huge fiery clouds rise over the mountain, and glowing rivers of lava flow down its sides. •In other eruptions, red-hot ash and cinders shoot out the mountaintop, and large chunks of hot rock are blasted high into the air. •Some eruptions occur on volcanic islands. Others occur along the ocean floor, ...
... huge fiery clouds rise over the mountain, and glowing rivers of lava flow down its sides. •In other eruptions, red-hot ash and cinders shoot out the mountaintop, and large chunks of hot rock are blasted high into the air. •Some eruptions occur on volcanic islands. Others occur along the ocean floor, ...
Volcanoes
... But sometimes part of a plate gets caught, and when it finally snaps back, the ground shudders hard and causes great damage. In 1906, a major earthquake destroyed much of San Francisco, California. Most magma moves toward the crust where it cools and sinks again. But some magma breaks through weak ...
... But sometimes part of a plate gets caught, and when it finally snaps back, the ground shudders hard and causes great damage. In 1906, a major earthquake destroyed much of San Francisco, California. Most magma moves toward the crust where it cools and sinks again. But some magma breaks through weak ...
Essential Questions: February 13-17, 2017 Name: Date: Period
... melts ____________________________ rock and turns it into _____________. When it cools it becomes __________________ rock. 2. Igneous rock can be broken down by __________________ and the pieces moved around by erosion. The mix of pieces becomes __________________ rock, such as limestone. 3. The wei ...
... melts ____________________________ rock and turns it into _____________. When it cools it becomes __________________ rock. 2. Igneous rock can be broken down by __________________ and the pieces moved around by erosion. The mix of pieces becomes __________________ rock, such as limestone. 3. The wei ...
Earth Science Quiz-1 –Main Campus Quiz
... Earth Science Quiz-1 –Main Campus Quiz-1 Please answer the following multiple choice questions using the 882-E scantron. Quiz answers (scantron only) are due on Monday, February 22th, 2016 (Main Campus) It is only necessary to turn in the scantron – NOT the printed quiz. 1) What are the basic differ ...
... Earth Science Quiz-1 –Main Campus Quiz-1 Please answer the following multiple choice questions using the 882-E scantron. Quiz answers (scantron only) are due on Monday, February 22th, 2016 (Main Campus) It is only necessary to turn in the scantron – NOT the printed quiz. 1) What are the basic differ ...
ROCKS and how to identify them
... plagioclase feldspar, olivene). The rocks will be dark in color, ...
... plagioclase feldspar, olivene). The rocks will be dark in color, ...
Dynamic Earth Processes
... zones (in which the more dense oceanic crust dives under the less dense continental crust) at which volcanic arcs, ocean trench, earthquakes and mountain ranges occur. 3. Transform plate boundaries: Two plates move laterally (Parallel slip) past each other. This movement cause earthquakes along such ...
... zones (in which the more dense oceanic crust dives under the less dense continental crust) at which volcanic arcs, ocean trench, earthquakes and mountain ranges occur. 3. Transform plate boundaries: Two plates move laterally (Parallel slip) past each other. This movement cause earthquakes along such ...
Chapter 17: Plate Tectonics
... 1. Continental crust is thicker a) is much less dense than ocean crust b) will float on ocean crust c) is mostly granite 2. Oceanic crust a) is almost completely basalt b) very dense c) always sinks underneath continental crust D. Hot Spot 1. An area in the middle of the crust with a high heat flow ...
... 1. Continental crust is thicker a) is much less dense than ocean crust b) will float on ocean crust c) is mostly granite 2. Oceanic crust a) is almost completely basalt b) very dense c) always sinks underneath continental crust D. Hot Spot 1. An area in the middle of the crust with a high heat flow ...
Ch 12.1
... • Hess suggested that magma rose to form new rock at certain places. Magma (melted rock) rises and falls like warm and cold liquids. The convection currents of magma formed a spreading ridge where they broke through Earth’s crust. Like a “new crust” conveyer belt Magnetic striping of basalt ...
... • Hess suggested that magma rose to form new rock at certain places. Magma (melted rock) rises and falls like warm and cold liquids. The convection currents of magma formed a spreading ridge where they broke through Earth’s crust. Like a “new crust” conveyer belt Magnetic striping of basalt ...
Rock on! - is1105rocks
... when magma becomes trapped in small pockets and cool slowly (intrusive) - Above ground, igneous rocks form when volcanoes erupt, causing magma to come to the surface (called lava) and cools (extrusive) ...
... when magma becomes trapped in small pockets and cool slowly (intrusive) - Above ground, igneous rocks form when volcanoes erupt, causing magma to come to the surface (called lava) and cools (extrusive) ...
Plate Tectonics
... Alfred Wegener first proposed the theory of continental drift. Continental drift is Wegener’s theory that all continents had once been joined together in a single landmass and have drifted apart since. Wegener named this supercontinent Pangaea. Wegener’s theory was rejected by scientists be ...
... Alfred Wegener first proposed the theory of continental drift. Continental drift is Wegener’s theory that all continents had once been joined together in a single landmass and have drifted apart since. Wegener named this supercontinent Pangaea. Wegener’s theory was rejected by scientists be ...
04 Chapter 4_Volcanoes and Volcanic Hazards
... General features of Volcanoes Types of volcanoes (continued) • Composite cone (Stratovolcano ) بركان طباقي – Most are located adjacent to the Pacific Ocean (e.g., Fujiyama, Mt. St. Helens) – Large, classic-shaped volcano (300’s of meters high & several miles wide at base) – Composed of interbedde ...
... General features of Volcanoes Types of volcanoes (continued) • Composite cone (Stratovolcano ) بركان طباقي – Most are located adjacent to the Pacific Ocean (e.g., Fujiyama, Mt. St. Helens) – Large, classic-shaped volcano (300’s of meters high & several miles wide at base) – Composed of interbedde ...
Earth Science Notes - Nutley Public Schools
... 1. I am an opening in earth’s surface that often forms a mountain when lava & ash build up 2. I am an opening through which magma flows 3. I am an area around the Pacific Plate where earthquakes & volcanoes are common ...
... 1. I am an opening in earth’s surface that often forms a mountain when lava & ash build up 2. I am an opening through which magma flows 3. I am an area around the Pacific Plate where earthquakes & volcanoes are common ...
Effects of Eruptions
... Divergent boundaries are located where plates are moving apart. They form long deep cracks called rifts. When the magma flows out it is called lava. The lava is cooled quickly by the sea water and sometimes build up to form islands ...
... Divergent boundaries are located where plates are moving apart. They form long deep cracks called rifts. When the magma flows out it is called lava. The lava is cooled quickly by the sea water and sometimes build up to form islands ...
File - RHS Earth Systems
... include characteristics of the magma and the amount of dissolved gases in the magma Magma that has reached the surface is called lava Lava cools and hardens to form rock Viscosity Substances resistance to flow Temperature and chemical composition determine viscosity Chemical composition ha ...
... include characteristics of the magma and the amount of dissolved gases in the magma Magma that has reached the surface is called lava Lava cools and hardens to form rock Viscosity Substances resistance to flow Temperature and chemical composition determine viscosity Chemical composition ha ...
HNRS 227 Lecture #17 & 18 Chapters 12 and 13
... • “hill or mountain formed by the extrusion of lava or rock fragments from magma below” • Different types – shield, cinder cone, composite (composite shown) ...
... • “hill or mountain formed by the extrusion of lava or rock fragments from magma below” • Different types – shield, cinder cone, composite (composite shown) ...
Plate Tectonics
... thin and runny and flows easily. Gases bubble out gently. • Pahoehoe forms from fast-moving, hot lava that is thin and runny. It looks like rope-like coils. • Aa forms from cooler, thicker, slower-moving lava. It has jagged surface. • Quiet eruptions have built up Hawai’i. ...
... thin and runny and flows easily. Gases bubble out gently. • Pahoehoe forms from fast-moving, hot lava that is thin and runny. It looks like rope-like coils. • Aa forms from cooler, thicker, slower-moving lava. It has jagged surface. • Quiet eruptions have built up Hawai’i. ...
Basalt
Basalt (pronounced /bəˈsɔːlt/, /ˈbæsɒlt/, /ˈbæsɔːlt/, or /ˈbeɪsɔːlt/)is a common extrusive igneous (volcanic) rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon. Flood basalt describes the formation in a series of lava basalt flows.