![Magmagenesis and Evolution at Damavand Volcano, Iran](http://s1.studyres.com/store/data/007879842_2-33f54cf75a1ec48bdc6eddc9adc9b3aa-300x300.png)
Magmagenesis and Evolution at Damavand Volcano, Iran
... developed, are the result of plate collisions associated with Tethyan closure. The basement immediately subjacent to the volcano comprises a passive margin sedimentary sequence, deformed by compressional faulting and (possibly later) strike slip movement parallel to the axis of the orogen. The crust ...
... developed, are the result of plate collisions associated with Tethyan closure. The basement immediately subjacent to the volcano comprises a passive margin sedimentary sequence, deformed by compressional faulting and (possibly later) strike slip movement parallel to the axis of the orogen. The crust ...
Desk Copy Changing Earth Common Assessment
... 9. Geologists classify rocks according to their a. genus and species b. composition and texture c. texture and location d. composition and density 10. Metamorphic rocks a. form from slowly cooling magma underground b. form from erosion and deposition c. form from other rocks that undergo extremely ...
... 9. Geologists classify rocks according to their a. genus and species b. composition and texture c. texture and location d. composition and density 10. Metamorphic rocks a. form from slowly cooling magma underground b. form from erosion and deposition c. form from other rocks that undergo extremely ...
9. Lithosphere - Structure of the Earth
... The Earth’s Crust is a thin layer created by hard rocks of different origin and age. v Continental Crust (30 - 40 km thick) is the base of land mass and it is created by sedimentary, granite and basalt layers below. v Oceanic Crust (thinner, 5 -12 km) is the base of the ocean floor and it is created ...
... The Earth’s Crust is a thin layer created by hard rocks of different origin and age. v Continental Crust (30 - 40 km thick) is the base of land mass and it is created by sedimentary, granite and basalt layers below. v Oceanic Crust (thinner, 5 -12 km) is the base of the ocean floor and it is created ...
Notes on Rocks and Volcanoes
... -__________________- 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 10 review- Test #1 Read Chapters 1
... Terms to know: Lava, pyroclast, block, bomb, ash, extrusive, lava flow, silica content, lava temperature, basalt, andesite, rhyolite, glassy, fine-grained, obsidian, porphyritic, vesicular, pumice; dust, ash, vent, crater, caldera, shield volcano, cinder cone, composite volcano, volcanic dome, flood ...
... Terms to know: Lava, pyroclast, block, bomb, ash, extrusive, lava flow, silica content, lava temperature, basalt, andesite, rhyolite, glassy, fine-grained, obsidian, porphyritic, vesicular, pumice; dust, ash, vent, crater, caldera, shield volcano, cinder cone, composite volcano, volcanic dome, flood ...
Geology Study Guide
... b) _____________waves cannot travel through parts of the Earth that are completely liquid. c) When rock “snaps” back to its original shape, _______________________________occurs. d) ___________________ lava cools in wavy rope-like folds. e) _____________waves are the fastest seismic waves and they t ...
... b) _____________waves cannot travel through parts of the Earth that are completely liquid. c) When rock “snaps” back to its original shape, _______________________________occurs. d) ___________________ lava cools in wavy rope-like folds. e) _____________waves are the fastest seismic waves and they t ...
chapter1
... The magma (liquid) migrates upwards (most liquids are less dense than the solids that produce them) and cools. ...
... The magma (liquid) migrates upwards (most liquids are less dense than the solids that produce them) and cools. ...
Name_________________________ Date_______ Period
... Answer the following using complete sentences. 13. Why isn’t sight color a very good way to identify a mineral?_______________ ________________________________________________________________ ________________________________________________________________ ...
... Answer the following using complete sentences. 13. Why isn’t sight color a very good way to identify a mineral?_______________ ________________________________________________________________ ________________________________________________________________ ...
10.13 How Did These Ocean Features and Continental Margins Form?
... 5. Describe what the area might have looked like 20 million years ago based on the ages and relative motions of the plates. Draw a very simplified map of your interpretation on the worksheet. ...
... 5. Describe what the area might have looked like 20 million years ago based on the ages and relative motions of the plates. Draw a very simplified map of your interpretation on the worksheet. ...
Chp - ESDNLWelshman
... Folding: is the process that occurs when continental plates collide causing the crust to bend and buckle (crust looks like a roller coaster ride). - The rock layers bend, but do not break. See fig 1.12 in text creation of Himalayan Mtns. (tallest in world) ...
... Folding: is the process that occurs when continental plates collide causing the crust to bend and buckle (crust looks like a roller coaster ride). - The rock layers bend, but do not break. See fig 1.12 in text creation of Himalayan Mtns. (tallest in world) ...
Earthquakes - domenicoscience
... The Tambora Eruption 1815 • This was the most powerful eruption in recorded history and had the highest death toll. • Over 92,000 died from this eruption mostly from starvation. 1815 was known around the world as “the year without a summer.” • Ash from Tambora block sunlight causing massive starvat ...
... The Tambora Eruption 1815 • This was the most powerful eruption in recorded history and had the highest death toll. • Over 92,000 died from this eruption mostly from starvation. 1815 was known around the world as “the year without a summer.” • Ash from Tambora block sunlight causing massive starvat ...
File
... 51. What is pumice? Explain why pumice floats. Pumice is a volcanic rock (so igneous) that floats. Pumice forms when gases cause the lava to foam up. The rock hardens quickly before the bubbles in the foam disappear. Pumice is very porous (tiny holes) and lightweight which is why it floats. It is th ...
... 51. What is pumice? Explain why pumice floats. Pumice is a volcanic rock (so igneous) that floats. Pumice forms when gases cause the lava to foam up. The rock hardens quickly before the bubbles in the foam disappear. Pumice is very porous (tiny holes) and lightweight which is why it floats. It is th ...
Sedimentary Rocks
... • Earth movements can push all types of rock deeper into the Earth. • These rocks are then subjected to massive temperatures and pressures, causing the crystalline structure and texture to change. • They do not become liquid, but become molten. ...
... • Earth movements can push all types of rock deeper into the Earth. • These rocks are then subjected to massive temperatures and pressures, causing the crystalline structure and texture to change. • They do not become liquid, but become molten. ...
Lecture 6 - Mantle and Basalts
... 1) Mid-ocean basalts/gabbros (MORB’s) 2) Ocean island basalts (OIB’s) These two magma series have differ primarily in the concentrations of minor elements, including K, Ti, U, Th, La, and other large-ion-lithophile trace elements. MID-OCEAN RIDGE BASALTS Characteristics: the major magma type is th ...
... 1) Mid-ocean basalts/gabbros (MORB’s) 2) Ocean island basalts (OIB’s) These two magma series have differ primarily in the concentrations of minor elements, including K, Ti, U, Th, La, and other large-ion-lithophile trace elements. MID-OCEAN RIDGE BASALTS Characteristics: the major magma type is th ...
Introduction to Petrology
... Natural silicate melts are complex systems with many components and thus melt over a range of temperatures. Because of the high aspect ratios of plagioclase, basalt becomes rigid in the range of 30 to 40% solidification. Note how a cube of solid basalt retains its shape to 70% melting, even as the ...
... Natural silicate melts are complex systems with many components and thus melt over a range of temperatures. Because of the high aspect ratios of plagioclase, basalt becomes rigid in the range of 30 to 40% solidification. Note how a cube of solid basalt retains its shape to 70% melting, even as the ...
06 Intrusions
... continental crust, it melts and absorbs some crust, becoming more silica-rich. Added fluids produce basalt magma from melting mantle. ...
... continental crust, it melts and absorbs some crust, becoming more silica-rich. Added fluids produce basalt magma from melting mantle. ...
Superplumes and single plumes: their magmatic trails on moving
... Single plumes and superplumes have, in principle, the same nature and source: they are thought to be upwarddirected mantle convective flows, heated and fluid-enriched. They are born in LLSVP (Large low-shear-velocity provinces), otherwise called superswells, situated within the D00 layer. They repre ...
... Single plumes and superplumes have, in principle, the same nature and source: they are thought to be upwarddirected mantle convective flows, heated and fluid-enriched. They are born in LLSVP (Large low-shear-velocity provinces), otherwise called superswells, situated within the D00 layer. They repre ...
Ch 13-Volcanoes
... • Quiet eruptions – Oceanic eruptions, mafic magma. Low viscosity=gases escape so volcanoes are quiet ...
... • Quiet eruptions – Oceanic eruptions, mafic magma. Low viscosity=gases escape so volcanoes are quiet ...
Rocks
... mixture of minerals, mineraloids, glass, or organic matter. Three main types of Rock – Igneous – Metamorphic – Sedimentary ...
... mixture of minerals, mineraloids, glass, or organic matter. Three main types of Rock – Igneous – Metamorphic – Sedimentary ...
Science Project – October – OUR PLANET
... Students will demonstrate their knowledge of these three scientific concepts by developing a presentation which demonstrates the integration of how these three concepts work together on our planet. With all projects during the year the “format” or “display” is up to the individual student. All stude ...
... Students will demonstrate their knowledge of these three scientific concepts by developing a presentation which demonstrates the integration of how these three concepts work together on our planet. With all projects during the year the “format” or “display” is up to the individual student. All stude ...
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.