
Igneous Rocks
... have enough time to get together, bond and form crystals. To cool this quickly the rocks MUST be ...
... have enough time to get together, bond and form crystals. To cool this quickly the rocks MUST be ...
Name Date
... 4. compaction and cementation 5. ______ Some nonsedimentary rocks are formed as a result of 1. solidification of molten material 2. evaporation and precipitation 3. cementation of particles 4. deposition of particles 6. ______ All rocks contain (1) minerals (2) intergrowcrystals (3) sediments (4) fo ...
... 4. compaction and cementation 5. ______ Some nonsedimentary rocks are formed as a result of 1. solidification of molten material 2. evaporation and precipitation 3. cementation of particles 4. deposition of particles 6. ______ All rocks contain (1) minerals (2) intergrowcrystals (3) sediments (4) fo ...
subduction subduction
... • Magma is upwelling to form new oceanic crust. • Mid-ocean ridges • Continental rift zones (east Africa) ...
... • Magma is upwelling to form new oceanic crust. • Mid-ocean ridges • Continental rift zones (east Africa) ...
Volcanoes Guided Reading Key
... 10. Where do most volcanoes occur on Earth’s surface? Divergent plate boundaries or at subduction zones. 11. How can oceanic crust eventually become magma? It subducts and melts to create magma, which will eventually rise to the surface 12. What process forms island arcs? A moving plate and a hot sp ...
... 10. Where do most volcanoes occur on Earth’s surface? Divergent plate boundaries or at subduction zones. 11. How can oceanic crust eventually become magma? It subducts and melts to create magma, which will eventually rise to the surface 12. What process forms island arcs? A moving plate and a hot sp ...
Unit 7 Earth`s Interior
... the skin of an apple. It is very thin in comparison to the other three layers. The crust is only about 3-5 MILES (8 kilometers) thick under the oceans (oceanic crust) and about 25 miles (32 kilometers) thick under the continents (continental crust). ...
... the skin of an apple. It is very thin in comparison to the other three layers. The crust is only about 3-5 MILES (8 kilometers) thick under the oceans (oceanic crust) and about 25 miles (32 kilometers) thick under the continents (continental crust). ...
Volcanoes of Hawaii and the Planet-v1
... that the Island of Oahu would fit easily inside the summit crater (“caldera”) of Olympus Mons. The great size of volcanoes on Mars is partially due to the lower gravity and the lack of plate tectonics. It is likely that Olympus Mons erupted for a very long time, perhaps one or two billions of years. ...
... that the Island of Oahu would fit easily inside the summit crater (“caldera”) of Olympus Mons. The great size of volcanoes on Mars is partially due to the lower gravity and the lack of plate tectonics. It is likely that Olympus Mons erupted for a very long time, perhaps one or two billions of years. ...
Question Report
... less dense than the surrounding solid material more dense than the surrounding solid material highly fluid ...
... less dense than the surrounding solid material more dense than the surrounding solid material highly fluid ...
geology 110 exam i review sheet
... Know the most common and second most common chemical element in the earth’s crust Understand how the charge and size of ions controls arrangement of ions in minerals Understand the significance to a minerals environment for determining its structure. Know what silicates are, and what the silica tetr ...
... Know the most common and second most common chemical element in the earth’s crust Understand how the charge and size of ions controls arrangement of ions in minerals Understand the significance to a minerals environment for determining its structure. Know what silicates are, and what the silica tetr ...
LAYERS OF THE EARTH
... and ocean floor. It ranges in thickness from about 5 miles (oceanic crust) to 25 miles (continental crust). The crust is more dense under the ocean and less dense under the continents. The oceanic crust is mostly composed of basalt. The continental crust is mainly made of granite. The crust temperat ...
... and ocean floor. It ranges in thickness from about 5 miles (oceanic crust) to 25 miles (continental crust). The crust is more dense under the ocean and less dense under the continents. The oceanic crust is mostly composed of basalt. The continental crust is mainly made of granite. The crust temperat ...
Chapter 5 Deformation of the Crust
... -__________________- lava that cools rapidly and breaks into jagged chunks as the liquid below continues to flow, sharp, blocky shapes -Why do you think they called Aa lava by that name? -__________________-when lava flows out of fissures on the ocean floor, it cools rapidly in rounded shapes, found ...
... -__________________- lava that cools rapidly and breaks into jagged chunks as the liquid below continues to flow, sharp, blocky shapes -Why do you think they called Aa lava by that name? -__________________-when lava flows out of fissures on the ocean floor, it cools rapidly in rounded shapes, found ...
Geology Facts I - PAMS
... • Acid test- This test is performed by dropping weak hydrochloric acid on the mineral. If it reacts (fizzes) then the mineral is calcite. This test will also help to identify the rocks limestone and marble, because calcite is the principal mineral in both. • Magnet test- If there is a magnetic attra ...
... • Acid test- This test is performed by dropping weak hydrochloric acid on the mineral. If it reacts (fizzes) then the mineral is calcite. This test will also help to identify the rocks limestone and marble, because calcite is the principal mineral in both. • Magnet test- If there is a magnetic attra ...
Sea Floor Spreading (SFS)
... The mid-ocean ridge is the long continuous mountain range that runs along the ocean floor. It begins at the North Pole and continues down into the Atlantic Ocean. Off the coast of Antarctica it travels into the Pacific Ocean where it splits into two as well as into the Indian Ocean around Africa and ...
... The mid-ocean ridge is the long continuous mountain range that runs along the ocean floor. It begins at the North Pole and continues down into the Atlantic Ocean. Off the coast of Antarctica it travels into the Pacific Ocean where it splits into two as well as into the Indian Ocean around Africa and ...
World Geog Ch 1_lesson6 volcanic mts
... Ash : Small pieces of lava that are blasted into the air during volcanic eruptions. Vent: The opening through which the volcanic material flows. ...
... Ash : Small pieces of lava that are blasted into the air during volcanic eruptions. Vent: The opening through which the volcanic material flows. ...
Section 8
... Early seismic data and drilling technology indicate that the continental crust is mostly made of lighter, granitic rocks. ...
... Early seismic data and drilling technology indicate that the continental crust is mostly made of lighter, granitic rocks. ...
I-Choose the correct answer: (50 degrees)
... 7. What are the two most abundant a. oxygen and nitrogen b. nitrogen and iron c. silicon and iron d. oxygen and silicon e. oxygen and iron ...
... 7. What are the two most abundant a. oxygen and nitrogen b. nitrogen and iron c. silicon and iron d. oxygen and silicon e. oxygen and iron ...
12.1 Evidence for Continental Drift
... taken from the Mid-Atlantic Ridge were younger than other ocean rocks. Sediments along the ridge became thicker farther away from the ridge. Paleomagnetism shows that iron-based rocks along the ridges are striped with reversing magnetic fields. Volcanoes are frequently found on boundaries betwee ...
... taken from the Mid-Atlantic Ridge were younger than other ocean rocks. Sediments along the ridge became thicker farther away from the ridge. Paleomagnetism shows that iron-based rocks along the ridges are striped with reversing magnetic fields. Volcanoes are frequently found on boundaries betwee ...
12.1 Evidence for Continental Drift How Can Continents Move? Sea
... taken from the Mid-Atlantic Ridge were younger than other ocean rocks. Sediments along the ridge became thicker farther away from the ridge. Paleomagnetism shows that iron-based rocks along the ridges are striped with reversing magnetic fields. Volcanoes are frequently found on boundaries betwee ...
... taken from the Mid-Atlantic Ridge were younger than other ocean rocks. Sediments along the ridge became thicker farther away from the ridge. Paleomagnetism shows that iron-based rocks along the ridges are striped with reversing magnetic fields. Volcanoes are frequently found on boundaries betwee ...
Interstate State Park geology
... lava cooled and hardened, just like bubbles trapped in ice. From river level to the highest rocks near Taylors Falls there are seven major layers visible, so we know that at least seven different lava flows formed the bedrock we see today. In some parts of the Midwest, various minerals were deposite ...
... lava cooled and hardened, just like bubbles trapped in ice. From river level to the highest rocks near Taylors Falls there are seven major layers visible, so we know that at least seven different lava flows formed the bedrock we see today. In some parts of the Midwest, various minerals were deposite ...
Gem Corundum in Alkali Basalt: Origin and Occurrence
... ORIGIN OF BASALTS Basaltic eruptions are closely linked with plate tectonics, the generally accepted theory that the Earth's surface is divided into about a dozen large, thick (usually about 100 km) plates that are moving very slowly (about 2.5 cm-1 inch-per year), as illustrated in figure 2. Intens ...
... ORIGIN OF BASALTS Basaltic eruptions are closely linked with plate tectonics, the generally accepted theory that the Earth's surface is divided into about a dozen large, thick (usually about 100 km) plates that are moving very slowly (about 2.5 cm-1 inch-per year), as illustrated in figure 2. Intens ...
EPS050 – Review for Midterm 1 (Fall 2009)
... 38. Study figure 8.9, 8.10, (10.9, 4th ed) in the book on cross‐cutting relationships: How are cross‐cutting relationships used in the dating of geologic materials? Given a cross‐sectional view of deformed geologic units be prepared to unravel the history based on observed c ...
... 38. Study figure 8.9, 8.10, (10.9, 4th ed) in the book on cross‐cutting relationships: How are cross‐cutting relationships used in the dating of geologic materials? Given a cross‐sectional view of deformed geologic units be prepared to unravel the history based on observed c ...
8Ha – Explaining the Earth/Sedimentary rocks
... A scientific idea that can be tested. yoo-nee-form-it-airee-an-ism ...
... A scientific idea that can be tested. yoo-nee-form-it-airee-an-ism ...
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.