
Chapter 18 Volcanic Activity
... • Underground plutons can be brought to the surface as tectonic plates converge and push upward exposing the rock within it. • Most igneous rock on the surface of the Earth is not from volcanic activity but from the slow gradual process of plate tectonics. ...
... • Underground plutons can be brought to the surface as tectonic plates converge and push upward exposing the rock within it. • Most igneous rock on the surface of the Earth is not from volcanic activity but from the slow gradual process of plate tectonics. ...
File
... Sonar uses sound wave to make measurements Sonar identified the _____________________ Ridge Magnetometers detect the direction and strength of a magnetic field The magnetic field of the crust in the Atlantic sometimes pointed south, instead of north these are called _______________________ s ...
... Sonar uses sound wave to make measurements Sonar identified the _____________________ Ridge Magnetometers detect the direction and strength of a magnetic field The magnetic field of the crust in the Atlantic sometimes pointed south, instead of north these are called _______________________ s ...
The Earth - El Camino College
... B. San Andreas Fault = stopped subduction in most Cal. ~ 15 m.y. ago..... C. Erosion – since - granite now on surface ex. Sierras ---------------------------------------------------------------------------------------VII. Hot Spots = stationary “plume” in mantle (like lava lamp) –often in middle of ...
... B. San Andreas Fault = stopped subduction in most Cal. ~ 15 m.y. ago..... C. Erosion – since - granite now on surface ex. Sierras ---------------------------------------------------------------------------------------VII. Hot Spots = stationary “plume” in mantle (like lava lamp) –often in middle of ...
Chapter 17-1
... more than __________ °C. The high interior temperature is thought to be due to high concentrations of __________________ ___________ in the core undergoing ______________. The temperature of the mantle, about __________ °C, causes some of the rocks to act like a very ______________ (“honey-like”) ma ...
... more than __________ °C. The high interior temperature is thought to be due to high concentrations of __________________ ___________ in the core undergoing ______________. The temperature of the mantle, about __________ °C, causes some of the rocks to act like a very ______________ (“honey-like”) ma ...
Notes: Volcanoes
... As the _________________________crust is pushed lower, it melts into __________________. •When continental and oceanic plates converge, a volcano forms on land. •When 2 oceanic plates converge together, a volcano forms an _____________________. 3. Volcanoes at Hot Spots Sometimes, volcanoes occur at ...
... As the _________________________crust is pushed lower, it melts into __________________. •When continental and oceanic plates converge, a volcano forms on land. •When 2 oceanic plates converge together, a volcano forms an _____________________. 3. Volcanoes at Hot Spots Sometimes, volcanoes occur at ...
- Heritage Manitoba
... Limestone is a sedimentary rock composed mainly of calcium carbonate (CaCO3). It may contain considerable amounts of magnesium carbonate (dolomite) as well. Minor constituents also commonly present include clay, iron carbonate, feldspar, pyrite, and quartz. Most limestones have a granular texture ...
... Limestone is a sedimentary rock composed mainly of calcium carbonate (CaCO3). It may contain considerable amounts of magnesium carbonate (dolomite) as well. Minor constituents also commonly present include clay, iron carbonate, feldspar, pyrite, and quartz. Most limestones have a granular texture ...
Layers of the Earth powerpoint
... different layers. The crust is the layer that you live on, and it is the most widely studied and understood. The mantle is much hotter and has the ability to flow. The outer core and inner core are even hotter with pressures so great you would be squeezed into a ball smaller than a marble if you wer ...
... different layers. The crust is the layer that you live on, and it is the most widely studied and understood. The mantle is much hotter and has the ability to flow. The outer core and inner core are even hotter with pressures so great you would be squeezed into a ball smaller than a marble if you wer ...
study
... 27 Yellowstone National Park contains the Yellowstone Caldera, a large volcano. This volcano is located in the middle of a continental plate, and not at a plate boundary, because of this it was MOST likely formed by hotspot activity. A ...
... 27 Yellowstone National Park contains the Yellowstone Caldera, a large volcano. This volcano is located in the middle of a continental plate, and not at a plate boundary, because of this it was MOST likely formed by hotspot activity. A ...
Quiz Bowl Rock Terms
... magma - molten rock beneath the Earth’s crush that forms as parts of the mantle melt. magma chamber - underground reservoir of magma. It can erupt onto the Earth’s surface as lava or harden to form a pluton. magnetosphere - magnetic force field in and around the Earth, created by the movement of ir ...
... magma - molten rock beneath the Earth’s crush that forms as parts of the mantle melt. magma chamber - underground reservoir of magma. It can erupt onto the Earth’s surface as lava or harden to form a pluton. magnetosphere - magnetic force field in and around the Earth, created by the movement of ir ...
Earth`s Interior - Newton.k12.ma.us
... how do we know exactly what our Earth is made of, and how it affects us? ...
... how do we know exactly what our Earth is made of, and how it affects us? ...
The Earth`s Crust
... ■ Most earthquakes are so small that only scientists notice them. However, every 50 to 100 years a big one comes along and does a lot of damage. ■ A geologist is a scientist who studies rocks to learn about the history and structure of the Earth. They also study the movements of the Earth’s crust a ...
... ■ Most earthquakes are so small that only scientists notice them. However, every 50 to 100 years a big one comes along and does a lot of damage. ■ A geologist is a scientist who studies rocks to learn about the history and structure of the Earth. They also study the movements of the Earth’s crust a ...
Seafloor Spreading (LT 1, 3-5)
... Seafloor Spreading Evidence: Pillowshaped rocks found on seafloor Theory of can only form when magma cools underwater Pattern of reversals in magnetic field (recorded in rock) is the same on both sides of midocean ridge youngest rocks found at midocean ridges; rocks get older as move away from ...
... Seafloor Spreading Evidence: Pillowshaped rocks found on seafloor Theory of can only form when magma cools underwater Pattern of reversals in magnetic field (recorded in rock) is the same on both sides of midocean ridge youngest rocks found at midocean ridges; rocks get older as move away from ...
Classification of Igneous Rocks
... Extrusive or volcanic rocks: typically aphanitic or glassy. Many varieties are porphyritic and some have fragmental (volcaniclastic) fabric. High-T disordered fsp is common (e.g. sanadine). Also see leucite, tridymite, and cristobalite. ...
... Extrusive or volcanic rocks: typically aphanitic or glassy. Many varieties are porphyritic and some have fragmental (volcaniclastic) fabric. High-T disordered fsp is common (e.g. sanadine). Also see leucite, tridymite, and cristobalite. ...
Metamorphic Rocks ppt
... Fluids Water is thought to help trigger metamorphic chemical reactions ...
... Fluids Water is thought to help trigger metamorphic chemical reactions ...
Earth`s Layers Unit Study Guide 1) List Earth`s layers in order from
... OXYGEN, SILICON, a higher amount of MAGNESIUM than the crust, and small amounts of IRON and NICKEL. The rock in the mantle is hot enough to flow like a “semi-liquid”. 8) What is the outer core made up of? Mostly IRON and NICKEL in a molten liquid state. ...
... OXYGEN, SILICON, a higher amount of MAGNESIUM than the crust, and small amounts of IRON and NICKEL. The rock in the mantle is hot enough to flow like a “semi-liquid”. 8) What is the outer core made up of? Mostly IRON and NICKEL in a molten liquid state. ...
Ocean Margins - Penn State York Home Page
... seawater gets sucked into fissures in the basalt. This seawater becomes superheated by the magma, and now contains extremely high amounts of dissolved minerals. When the mineral laden super-heated water “vents” to the surface it can create dramatic chimney structures that bellow “black smoke” (actua ...
... seawater gets sucked into fissures in the basalt. This seawater becomes superheated by the magma, and now contains extremely high amounts of dissolved minerals. When the mineral laden super-heated water “vents” to the surface it can create dramatic chimney structures that bellow “black smoke” (actua ...
Volcano Quiz Prep
... because many of their layers are nothing but ash or cinder. When too much pressure builds up, they blow their layers apart. ...
... because many of their layers are nothing but ash or cinder. When too much pressure builds up, they blow their layers apart. ...
Chapter 5 Igneous Rocks
... • Bowen’s Reaction Serious – process that demonstrate as magma cools and crystallizes minerals form in predictable patterns • 2 main patterns / branches of crystallization: – Right – continuous, gradual change of mineral compositions in feldspar group – Left – abrupt change of mineral type in iron ...
... • Bowen’s Reaction Serious – process that demonstrate as magma cools and crystallizes minerals form in predictable patterns • 2 main patterns / branches of crystallization: – Right – continuous, gradual change of mineral compositions in feldspar group – Left – abrupt change of mineral type in iron ...
Rocks Powerpoint Notes
... How are metamorphic rocks classified? __________________—mineral grains are flattened and line up in parallel _________________. Example: _______________formed from rearrangement of minerals in _________________ into bands How are metamorphic rocks classified? Non-Foliated—__________________________ ...
... How are metamorphic rocks classified? __________________—mineral grains are flattened and line up in parallel _________________. Example: _______________formed from rearrangement of minerals in _________________ into bands How are metamorphic rocks classified? Non-Foliated—__________________________ ...
Volcanoes
... _________ toward or onto the ________ of the earth. Because of high temperature and pressure in the earth- pockets of magma form when surrounding rock ______, as more rock melts, the pocket grows Predict what happens next. ...
... _________ toward or onto the ________ of the earth. Because of high temperature and pressure in the earth- pockets of magma form when surrounding rock ______, as more rock melts, the pocket grows Predict what happens next. ...
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.