File
... Volcanoes are likely to form in: 1. Tectonic plate boundaries a. Convergent—plates move toward ...
... Volcanoes are likely to form in: 1. Tectonic plate boundaries a. Convergent—plates move toward ...
Shield Volcanoes
... • Composed primarily of intermediate composition volcanic rocks (i.e., andesite). • Lava flows result from the low viscosity lavas (hot). • Pyroclastic flows result from higher viscosity lavas (cooler). • Most common type of volcano at convergent plate boundaries. ...
... • Composed primarily of intermediate composition volcanic rocks (i.e., andesite). • Lava flows result from the low viscosity lavas (hot). • Pyroclastic flows result from higher viscosity lavas (cooler). • Most common type of volcano at convergent plate boundaries. ...
SEA-FLOOR SPREADING
... In the 1950’s and early 1960’s detailed study of the oceans revealed the following surprising information: Detailed bathymetric (depth) studies showed that there was an extensive submarine ridge system that extended around the globe. These became known as MID-OCEAN RIDGES. Sampling by dredging sh ...
... In the 1950’s and early 1960’s detailed study of the oceans revealed the following surprising information: Detailed bathymetric (depth) studies showed that there was an extensive submarine ridge system that extended around the globe. These became known as MID-OCEAN RIDGES. Sampling by dredging sh ...
Volcanoes Explosive-non explosive
... superheated gas (1,000°C) and rock that swept down to ground level. This led to the burning and asphyxiation of all life that stood in harm’s way. ...
... superheated gas (1,000°C) and rock that swept down to ground level. This led to the burning and asphyxiation of all life that stood in harm’s way. ...
Word format
... A. the lava forms columnar joints because of cooling and shrinking of the lava B. the lava cools from the top and the bottom at the same time C. the center of the lava flow cools last, forming a fractured zone called the entablature D. if the lava is extruded into water, it may cool rapidly and form ...
... A. the lava forms columnar joints because of cooling and shrinking of the lava B. the lava cools from the top and the bottom at the same time C. the center of the lava flow cools last, forming a fractured zone called the entablature D. if the lava is extruded into water, it may cool rapidly and form ...
Supplementary data Appendix 1: country rock lithological data Hjort
... These rocks are most abundantly exposed southeast of the Beaumont Glacier, although here they are highly deformed and thermally metamorphosed. To the northwest of the glacier, phyllonitic siltstone or mudstone and coarse, feldspathic sandstone are interbedded with Hjort Formation rocks. Broadly, Lat ...
... These rocks are most abundantly exposed southeast of the Beaumont Glacier, although here they are highly deformed and thermally metamorphosed. To the northwest of the glacier, phyllonitic siltstone or mudstone and coarse, feldspathic sandstone are interbedded with Hjort Formation rocks. Broadly, Lat ...
EarthScience_Quiz_Ch3
... _____8. What do the fine grains of basalt suggest about how the rock formed? a) that it cooled slowly below the ground b) that it cooled near Earth’s surface c) that it was ejected from a volcano d) that it was formed by the evaporation of salt-rich waters in a lake _____9. Volcanic glass or obsidi ...
... _____8. What do the fine grains of basalt suggest about how the rock formed? a) that it cooled slowly below the ground b) that it cooled near Earth’s surface c) that it was ejected from a volcano d) that it was formed by the evaporation of salt-rich waters in a lake _____9. Volcanic glass or obsidi ...
There was a very important event that occurred early in Earth`s
... iii. A crust formed as magma oceans of the Earth cooled iv. Outgassing; volcanoes expelled gases like CO2, H2O v. The atmosphere formed from these gases vi. The hydrosphere (ocean) formed as a result of H2O condensing in the atmosphere and precipitating vii. The biosphere (life-containing “layer”) r ...
... iii. A crust formed as magma oceans of the Earth cooled iv. Outgassing; volcanoes expelled gases like CO2, H2O v. The atmosphere formed from these gases vi. The hydrosphere (ocean) formed as a result of H2O condensing in the atmosphere and precipitating vii. The biosphere (life-containing “layer”) r ...
Exam II
... 36. The Hawaiian Islands are a result of the Pacific Plate passing over a hot spot. 37. As rocks cool, they become denser and sink into the mantle. 38. The Andes Mountains are a good example of oceanic–oceanic collision. 39. The part of the Earth's interior near the surface where rocks are close to ...
... 36. The Hawaiian Islands are a result of the Pacific Plate passing over a hot spot. 37. As rocks cool, they become denser and sink into the mantle. 38. The Andes Mountains are a good example of oceanic–oceanic collision. 39. The part of the Earth's interior near the surface where rocks are close to ...
The Outer Core - Geography1000
... • Iron, particularly hematite, magnetite, and limonite all containing iron • Sulfides – composed of sulfur in some combination with one or more other elements • Pyrite, iron and sulfur, galena/ lead ...
... • Iron, particularly hematite, magnetite, and limonite all containing iron • Sulfides – composed of sulfur in some combination with one or more other elements • Pyrite, iron and sulfur, galena/ lead ...
GE1632013UFINALEXAM
... J. a rock or sediment body that contains fluid that can be removed K. structure built perpendicular to shoreline to interrupt transport and to trap sand on upcurrent side L. name for materials blown from a volcano M. point of origination in the Earth of an earthquake N. excessive erosion O. water be ...
... J. a rock or sediment body that contains fluid that can be removed K. structure built perpendicular to shoreline to interrupt transport and to trap sand on upcurrent side L. name for materials blown from a volcano M. point of origination in the Earth of an earthquake N. excessive erosion O. water be ...
Types of volcanic activity Volcanoes over
... Eyjafjallajökull eruption, Iceland, April-June 2010 Ash plume disrupted air travel in NW Europe for 6 days in April and some days in May ...
... Eyjafjallajökull eruption, Iceland, April-June 2010 Ash plume disrupted air travel in NW Europe for 6 days in April and some days in May ...
Quiz: Volcanoes Study Guide
... divergent boundary= two plates moving apart; allows magma to rise to the surface and causes a volcano to form hot spot= an area where material deep within the mantle rises and then melts forming magma; a volcano forms above a hot spot when magma erupts through the crust and reaches the surface Types ...
... divergent boundary= two plates moving apart; allows magma to rise to the surface and causes a volcano to form hot spot= an area where material deep within the mantle rises and then melts forming magma; a volcano forms above a hot spot when magma erupts through the crust and reaches the surface Types ...
IGNEOUS
... *Form from magma cooling inside earth or lava cooling outside the earth. *Extrusive- formed outside from lava. Small or no crystals present. *Intrusive- formed inside from magma. Larger crystals. *The longer the cooling time the larger the crystals will form. *Hard, dense and durable being used for ...
... *Form from magma cooling inside earth or lava cooling outside the earth. *Extrusive- formed outside from lava. Small or no crystals present. *Intrusive- formed inside from magma. Larger crystals. *The longer the cooling time the larger the crystals will form. *Hard, dense and durable being used for ...
ES Chapter 10 Study Guide
... 3. A lava flow with a surface of rough, jagged blocks and sharp, angular projections is called _____________. 4. As the temperature of lava increases, what happens to the viscosity? 5. What is a volcanic bomb? 6. What are the particles produced in volcanic eruptions called? 7. List all the types of ...
... 3. A lava flow with a surface of rough, jagged blocks and sharp, angular projections is called _____________. 4. As the temperature of lava increases, what happens to the viscosity? 5. What is a volcanic bomb? 6. What are the particles produced in volcanic eruptions called? 7. List all the types of ...
Earth System - Rock Cycle
... b. They're metamorphic rocks c. They're igneous rocks d. They're formed by erosion 4. What is the difference between magma and lava? a. Magma is very hot, lava is cool b. Magma is molten rock within the earth; lava is molten rock on the earth's surface c. Magma is molten rock on the earth's surface; ...
... b. They're metamorphic rocks c. They're igneous rocks d. They're formed by erosion 4. What is the difference between magma and lava? a. Magma is very hot, lava is cool b. Magma is molten rock within the earth; lava is molten rock on the earth's surface c. Magma is molten rock on the earth's surface; ...
Unit 3 (Igneous)
... 22. An unknown mineral has a mass of 110 g and displaces 40 mL of water. What is its specific gravity? a. 110 b. 55 c. 2.8 d. 1.4 23. A mineral can be scratched by glass. What does this most directly tell us about the mineral’s hardness? a. less than 5.5 b. greater than 2.5 c. greater than 5.5 d. le ...
... 22. An unknown mineral has a mass of 110 g and displaces 40 mL of water. What is its specific gravity? a. 110 b. 55 c. 2.8 d. 1.4 23. A mineral can be scratched by glass. What does this most directly tell us about the mineral’s hardness? a. less than 5.5 b. greater than 2.5 c. greater than 5.5 d. le ...
Background
... of this is the Antrim Plateau and the specific rock is dark or black in colour and is known as basalt. Alternatively, the magma may not reach the surface of the earth and this leads to it cooling very slowly deep below the surface — maybe over thousands or millions of years. This type of event is kn ...
... of this is the Antrim Plateau and the specific rock is dark or black in colour and is known as basalt. Alternatively, the magma may not reach the surface of the earth and this leads to it cooling very slowly deep below the surface — maybe over thousands or millions of years. This type of event is kn ...
Unit 3 Lesson 1 Layers of the Earth
... The middle layer of the Earth, the mantle, is made of minerals rich in the elements iron, magnesium, silicon, and oxygen. The crust is rich in the elements oxygen and silicon with lesser amounts of aluminum, iron, magnesium, calcium, potassium, and sodium. There are two types of crust. Basalt is the ...
... The middle layer of the Earth, the mantle, is made of minerals rich in the elements iron, magnesium, silicon, and oxygen. The crust is rich in the elements oxygen and silicon with lesser amounts of aluminum, iron, magnesium, calcium, potassium, and sodium. There are two types of crust. Basalt is the ...
EPSC 240 – Fall 2016 C. Rowe – McGill University Volcanic Rocks
... Texture of volcanic/extrusive rocks Volcanic rocks have some distinctive textural characteristics that distinguish them from their intrusive counterparts. The matrix (often called groundmass) of the rocks is usually very fine-grained, to the point of grains being invisible even with a hand lens (aph ...
... Texture of volcanic/extrusive rocks Volcanic rocks have some distinctive textural characteristics that distinguish them from their intrusive counterparts. The matrix (often called groundmass) of the rocks is usually very fine-grained, to the point of grains being invisible even with a hand lens (aph ...
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.