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Earth Science Questions and Answers for Teachers Teaching Grade 6
... even a pinkish color (due to the high level of a pink mineral, potassium feldspar, in rhyolite). The two types of dark basalt lava flows that can easily be seen in places like the Hawaiian Islands, and also in Lake County, are mostly different due to their gas content and not the minerals that make ...
... even a pinkish color (due to the high level of a pink mineral, potassium feldspar, in rhyolite). The two types of dark basalt lava flows that can easily be seen in places like the Hawaiian Islands, and also in Lake County, are mostly different due to their gas content and not the minerals that make ...
Lab 3: Minerals and Earth`s Layers Geology 202: Earth`s Interior
... than continental crust (with densities 3.0 and 2.7 gm/cm 3 , respectively). On average, continental crust is much thicker and older than oceanic crust. We assume upper mantle rocks have a composition similar to the rock peridotite, which is largely made up of olivine and pyroxene, and is more dense ...
... than continental crust (with densities 3.0 and 2.7 gm/cm 3 , respectively). On average, continental crust is much thicker and older than oceanic crust. We assume upper mantle rocks have a composition similar to the rock peridotite, which is largely made up of olivine and pyroxene, and is more dense ...
GEOL3045: Planetary Geology
... System Plates move apart due to eruption of lava New lava = new oceanic crust ...
... System Plates move apart due to eruption of lava New lava = new oceanic crust ...
Midterm 1, Winter 2012 with answers
... 32. What is the difference between potassium feldspar and plagioclase feldspar? A. potassium feldspar is part of Bowen’s discontinuous reaction series B. plagioclase feldspar is part of Bowen’s continuous reaction series C. plagioclase feldspar has high Na content at high temp and high Ca content at ...
... 32. What is the difference between potassium feldspar and plagioclase feldspar? A. potassium feldspar is part of Bowen’s discontinuous reaction series B. plagioclase feldspar is part of Bowen’s continuous reaction series C. plagioclase feldspar has high Na content at high temp and high Ca content at ...
Volcano
... Volcano – an opening in Earth’s crust through which molten rock, gases, and ash erupt and the landform that develops around this opening. ...
... Volcano – an opening in Earth’s crust through which molten rock, gases, and ash erupt and the landform that develops around this opening. ...
Lecture C - Ocean Crust and Ophiolites
... One of the most well known ophiolite sections is from the island of Cyprus. The ultramafic section in the middle has been mined for chromite. The gabbro complex within the Cyprus Ophiolite shows a complex evolution from relatively ferroan gabbros through to aplitic dykes as the magma chamber evolved ...
... One of the most well known ophiolite sections is from the island of Cyprus. The ultramafic section in the middle has been mined for chromite. The gabbro complex within the Cyprus Ophiolite shows a complex evolution from relatively ferroan gabbros through to aplitic dykes as the magma chamber evolved ...
Carolina Superterrane
... developed contact aureoles, although in a few cases they may not have been mapped (e.g., West, 19XX). ...
... developed contact aureoles, although in a few cases they may not have been mapped (e.g., West, 19XX). ...
Welcome to Mrs. Thompson`s 5th Grade Class
... Glassy Igneous Rocks cool so rapidly, that atoms don’t have enough time to get together, bond and form crystals. To cool this quickly the rocks MUST be extrusive. • Pumice (left) • Scoria (bottom left) • Obsidian (bottom right) • Note gasses in the lava can cause fine holes called vesicles as seen i ...
... Glassy Igneous Rocks cool so rapidly, that atoms don’t have enough time to get together, bond and form crystals. To cool this quickly the rocks MUST be extrusive. • Pumice (left) • Scoria (bottom left) • Obsidian (bottom right) • Note gasses in the lava can cause fine holes called vesicles as seen i ...
Rock Webquest
... Explore the Rock Creations area to complete each section. For thousands, even millions of years, little pieces of our earth have been eroded-- broken down and worn away by __________ and __________. These little bits of our earth are washed downstream where they settle to the bottom of the _________ ...
... Explore the Rock Creations area to complete each section. For thousands, even millions of years, little pieces of our earth have been eroded-- broken down and worn away by __________ and __________. These little bits of our earth are washed downstream where they settle to the bottom of the _________ ...
Chapter 13 Rocks and Minerals
... From coarse pebbles to fine clays. Classified based on sediment size that forms the rock. Chemical sedimentary rocks – formed when dissolved mineral come out of solution. Calcium carbonate is carried in solution in ocean water When calcium carbonate comes out of solution as calcite and many crystals ...
... From coarse pebbles to fine clays. Classified based on sediment size that forms the rock. Chemical sedimentary rocks – formed when dissolved mineral come out of solution. Calcium carbonate is carried in solution in ocean water When calcium carbonate comes out of solution as calcite and many crystals ...
Unit Test Study Guide: The Restless Earth and Volcanoes
... 11. The landforms that we call volcanoes are created by __________________VOLs1 12. Where are volcanoes most likely to form? V__________________OLs3 13. What would you expect to see during a non-explosive eruption? VO__________________Ls1 14. Molten rock deep underground often gathers in a V________ ...
... 11. The landforms that we call volcanoes are created by __________________VOLs1 12. Where are volcanoes most likely to form? V__________________OLs3 13. What would you expect to see during a non-explosive eruption? VO__________________Ls1 14. Molten rock deep underground often gathers in a V________ ...
Rocks and the Rock Cycle
... When magma cools and hardens below the Earth’s surface a new rock is formed. Because the rock was formed in the Earth’s surface we call it an Intrusive Rock. Granite is an example of an intrusive rock (Igneous Rock) because it is formed very slowly and deep in the Earth’s Crust. ...
... When magma cools and hardens below the Earth’s surface a new rock is formed. Because the rock was formed in the Earth’s surface we call it an Intrusive Rock. Granite is an example of an intrusive rock (Igneous Rock) because it is formed very slowly and deep in the Earth’s Crust. ...
Earth Science Quiz-1 Please answer the following multiple choice
... C) law D) theory 3. All of the following are possible steps of scientific investigation except for ________. A) the collection of scientific facts through observation and measurement B) assumption of conclusions without prior experimentation or observation C) the development of one or more working h ...
... C) law D) theory 3. All of the following are possible steps of scientific investigation except for ________. A) the collection of scientific facts through observation and measurement B) assumption of conclusions without prior experimentation or observation C) the development of one or more working h ...
Earth Science Quiz-1 Please answer the following multiple choice
... C) law D) theory 3. All of the following are possible steps of scientific investigation except for ________. A) the collection of scientific facts through observation and measurement B) assumption of conclusions without prior experimentation or observation C) the development of one or more working h ...
... C) law D) theory 3. All of the following are possible steps of scientific investigation except for ________. A) the collection of scientific facts through observation and measurement B) assumption of conclusions without prior experimentation or observation C) the development of one or more working h ...
Volcano Directed Reading
... 3. Combined temperature and pressure in the lower part of Earth’s mantle keeps rocks a. at their melting point. b. below their melting point. c. from reaching their melting point. d. above their melting point. 4. Sometimes Earth’s solid mantle and crust melt to form a. magma. b. mesosphere. c. petro ...
... 3. Combined temperature and pressure in the lower part of Earth’s mantle keeps rocks a. at their melting point. b. below their melting point. c. from reaching their melting point. d. above their melting point. 4. Sometimes Earth’s solid mantle and crust melt to form a. magma. b. mesosphere. c. petro ...
PETLAB3-14
... Mafic to Intermediate Dykes: Fine-grained mafic dykes that are aphyric or contain phenocrysts of feldspar are commonly simply referred to as basaltic or diabase dykes, or even more generally as mafic or intermediate dykes. If the phenocyrst assemblage does not contain plagioclase, but does contain a ...
... Mafic to Intermediate Dykes: Fine-grained mafic dykes that are aphyric or contain phenocrysts of feldspar are commonly simply referred to as basaltic or diabase dykes, or even more generally as mafic or intermediate dykes. If the phenocyrst assemblage does not contain plagioclase, but does contain a ...
CHAPTER 9 STUDY GUIDE Test Date: 11/15
... tectonic plates scraping against each other causes the temperature and pressure to increase. This in turn causes the water to be released from the oceanic plate which lowers the melting point and allows the rock in the mantle to melt. This new body of magma can rise, because it is less dense than th ...
... tectonic plates scraping against each other causes the temperature and pressure to increase. This in turn causes the water to be released from the oceanic plate which lowers the melting point and allows the rock in the mantle to melt. This new body of magma can rise, because it is less dense than th ...
Igneous Rock
... makes its way to Earth's surface. The molten rock erupts or flows above the surface as lava, and then cools forming rock. Most extrusive (volcanic) rocks ...
... makes its way to Earth's surface. The molten rock erupts or flows above the surface as lava, and then cools forming rock. Most extrusive (volcanic) rocks ...
Midterm Exam - Heritage Collegiate
... (A) large crystals of equal size (B) large crystals surrounded by many small crystals (C) small crystals of equal size (D) small crystals surrounded by many large crystals 23. From the graph below, which best describes the concentration of pyroxene in felsic and mafic rocks? ...
... (A) large crystals of equal size (B) large crystals surrounded by many small crystals (C) small crystals of equal size (D) small crystals surrounded by many large crystals 23. From the graph below, which best describes the concentration of pyroxene in felsic and mafic rocks? ...
Planetary Volcanism
... P Understanding types of volcanic activities and hence the erupted magma gives indirect clues of the composition of the interior P Volcanic activity has major impact on atmosphere and ...
... P Understanding types of volcanic activities and hence the erupted magma gives indirect clues of the composition of the interior P Volcanic activity has major impact on atmosphere and ...
Basalt
![](https://commons.wikimedia.org/wiki/Special:FilePath/BasaltUSGOV.jpg?width=300)
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.