volcanoes
... • A hot spot is an area where magma from deep within the mantle melts through the crust like a blow torch. • Hot spots often lie in the middle of continental or oceanic plates far from any plate boundaries ...
... • A hot spot is an area where magma from deep within the mantle melts through the crust like a blow torch. • Hot spots often lie in the middle of continental or oceanic plates far from any plate boundaries ...
subduction zones
... Subduction Zones Subduction zones only occur at convergent boundaries between oceans and continents, and oceans and oceans When oceanic lithosphere converges with continental lithosphere it is the oceanic material that is always subducted beneath the continental material. When the convergent bo ...
... Subduction Zones Subduction zones only occur at convergent boundaries between oceans and continents, and oceans and oceans When oceanic lithosphere converges with continental lithosphere it is the oceanic material that is always subducted beneath the continental material. When the convergent bo ...
File
... Islands • Seamounts are submarine volcanoes that can rise hundreds of meters above the surrounding topography. • Some grow large enough to become oceanic islands, but most do not have a sufficiently long eruptive history to build a structure above sea level. ...
... Islands • Seamounts are submarine volcanoes that can rise hundreds of meters above the surrounding topography. • Some grow large enough to become oceanic islands, but most do not have a sufficiently long eruptive history to build a structure above sea level. ...
Geochemical cycle of volatiles during plate
... fluid-mineral partition coefficients are 101-103 for fluorine and 103-106 for chlorine. Since the latter values are approximately three orders of magnitude higher than those for hydroxyl partitioning, fluid flow from subducting slab through the mantle wedge will lead to more efficient sequestration ...
... fluid-mineral partition coefficients are 101-103 for fluorine and 103-106 for chlorine. Since the latter values are approximately three orders of magnitude higher than those for hydroxyl partitioning, fluid flow from subducting slab through the mantle wedge will lead to more efficient sequestration ...
Plate Tectonics Convergent Boundary
... plates intersect, they push against each other which ultimately forces one of those plates beneath the other. (kidsgeo.com) ...
... plates intersect, they push against each other which ultimately forces one of those plates beneath the other. (kidsgeo.com) ...
Judgement Statement
... transform fault – this is where the two plates (both continental crust) are sliding past each other other (Australian to the North East and the Pacific to the South West). The Macquarie Fault Zone is a subducting plate boundary, where the Australian Plate (oceanic crust) is subducting under the Paci ...
... transform fault – this is where the two plates (both continental crust) are sliding past each other other (Australian to the North East and the Pacific to the South West). The Macquarie Fault Zone is a subducting plate boundary, where the Australian Plate (oceanic crust) is subducting under the Paci ...
Are the regional variations in Central American arc lavas
... One scenario is that either an aqueous fluid or melt released from the sediment layer produces the arc lava’s enrichment in trace elements like B and 10Be. Observed correlations between B/La and 10Be/9Be appear to support this (Morris et al., 1990). However, for highly fluid mobile elements, such as ...
... One scenario is that either an aqueous fluid or melt released from the sediment layer produces the arc lava’s enrichment in trace elements like B and 10Be. Observed correlations between B/La and 10Be/9Be appear to support this (Morris et al., 1990). However, for highly fluid mobile elements, such as ...
Schedule
... transform fault – this is where the two plates (both continental crust) are sliding past each other other (Australian to the North East and the Pacific to the South West). The Macquarie Fault Zone is a subducting plate boundary, where the Australian Plate (oceanic crust) is subducting under the Paci ...
... transform fault – this is where the two plates (both continental crust) are sliding past each other other (Australian to the North East and the Pacific to the South West). The Macquarie Fault Zone is a subducting plate boundary, where the Australian Plate (oceanic crust) is subducting under the Paci ...
Plate Boundaries Lab
... Divergent boundaries -- where new crust is generated as the plates pull away from each other. Convergent boundaries -- where crust is destroyed as one plate dives under another. Transform boundaries -- where crust is neither produced nor destroyed as the plates slide horizontally past each other. ...
... Divergent boundaries -- where new crust is generated as the plates pull away from each other. Convergent boundaries -- where crust is destroyed as one plate dives under another. Transform boundaries -- where crust is neither produced nor destroyed as the plates slide horizontally past each other. ...
Divergent Boundaries and Spreading Plates
... Why do valleys and volcanoes form where two continental plates are separating? ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ _________________________________________ ...
... Why do valleys and volcanoes form where two continental plates are separating? ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ _________________________________________ ...
Plate Tectonics Boundaries Chart
... Continental Plate to collide and neither is Continental Plate dense enough to ...
... Continental Plate to collide and neither is Continental Plate dense enough to ...
ROCK CYCLE FUDGE
... 2. "Plate Tectonics" will mix them thoroughly with the spoon. 3. "Heat" will place bowl in the microwave for 45 seconds, then "Pressure" will stir it. Do this 3 times! (Pick up materials for the next step while this is going on.) 4. While step 3 is being done, "Weathering" will break the sandstone p ...
... 2. "Plate Tectonics" will mix them thoroughly with the spoon. 3. "Heat" will place bowl in the microwave for 45 seconds, then "Pressure" will stir it. Do this 3 times! (Pick up materials for the next step while this is going on.) 4. While step 3 is being done, "Weathering" will break the sandstone p ...
Chapter 10 Worksheet
... To complete this worksheet, see the instructions in the textbook (Chapter 10 Investigation, Reynolds and others). Question 1. Identification of Features on the Ocean Floor Different oceanic features are numbered (1 through 10) adjacent to the figure below. Write the name for each feature using the c ...
... To complete this worksheet, see the instructions in the textbook (Chapter 10 Investigation, Reynolds and others). Question 1. Identification of Features on the Ocean Floor Different oceanic features are numbered (1 through 10) adjacent to the figure below. Write the name for each feature using the c ...
Plate Tectonics - Cornell Geological Sciences
... Convergent Plate Boundaries & Subduction Convergent plate boundaries occur where plates are moving toward one and other. Usually, one plate slides under the other in a process called subduction. Subduction Zones characterized by: Deep oceanic trench (but sometimes filled with sediment) Chain o ...
... Convergent Plate Boundaries & Subduction Convergent plate boundaries occur where plates are moving toward one and other. Usually, one plate slides under the other in a process called subduction. Subduction Zones characterized by: Deep oceanic trench (but sometimes filled with sediment) Chain o ...
Porosity, compaction, and fluid pressure in a subduction zone
... In this area, the upper part of the sediment riding in on the subducting plate are being scraped off and piled up on the overriding plate to form an accretionary prism. The scraped off (“accreted”) sediments are faulted and folded. The lower part of the sediment is being carried down, or subducted, ...
... In this area, the upper part of the sediment riding in on the subducting plate are being scraped off and piled up on the overriding plate to form an accretionary prism. The scraped off (“accreted”) sediments are faulted and folded. The lower part of the sediment is being carried down, or subducted, ...
1 IDS 102 Plate Tectonics Questions Part I: Observations
... Plate boundaries are divergent, oceanic-continental convergent, oceanic-oceanic convergent, continental-continental convergent, and transform. From our discussions of the plate boundary characteristics in class and your observations in Part I of this handout, label the boundaries of the plates shown ...
... Plate boundaries are divergent, oceanic-continental convergent, oceanic-oceanic convergent, continental-continental convergent, and transform. From our discussions of the plate boundary characteristics in class and your observations in Part I of this handout, label the boundaries of the plates shown ...
File - Bruner science
... Earthquakes often form from the ______________ between moving tectonic plates. This accounts for _____ percent of all earthquakes. The _________ _____ _________ convergent plate boundary west of Vancouver Island has many earthquakes. ...
... Earthquakes often form from the ______________ between moving tectonic plates. This accounts for _____ percent of all earthquakes. The _________ _____ _________ convergent plate boundary west of Vancouver Island has many earthquakes. ...
Plate boundary Tour
... As you have learned, where there is upwelling of the asthenosphere, the crust above spreads apart, and new material from below bulges up into ridges. Where there is subsidence of the asthenosphere, the crust is being pulled down along with it to form depressions, or trenches. This can be visualized ...
... As you have learned, where there is upwelling of the asthenosphere, the crust above spreads apart, and new material from below bulges up into ridges. Where there is subsidence of the asthenosphere, the crust is being pulled down along with it to form depressions, or trenches. This can be visualized ...
oceanic crust - Duluth High School
... • Move at about the rate a fingernail grows • Mountains, earthquakes and volcanoes occur at plate boundaries • Divergent- ridges in ocean/rifts on land • Convergent- subduction/trenches in oceans and mountains (orogonic belt) on land • Transform fault- 2 plates slide past one another (San Andreas Fa ...
... • Move at about the rate a fingernail grows • Mountains, earthquakes and volcanoes occur at plate boundaries • Divergent- ridges in ocean/rifts on land • Convergent- subduction/trenches in oceans and mountains (orogonic belt) on land • Transform fault- 2 plates slide past one another (San Andreas Fa ...
Lecture 7. Marine Sediments
... Carbonate Compensation Depth The depth at which carbonate input from the surface waters is balanced by dissolution in corrosive deep waters In today’s ocean this depth (CCD) varies between 3 km (polar) and 5 km (tropical) Thus, accumulation rates vary a lot! ...
... Carbonate Compensation Depth The depth at which carbonate input from the surface waters is balanced by dissolution in corrosive deep waters In today’s ocean this depth (CCD) varies between 3 km (polar) and 5 km (tropical) Thus, accumulation rates vary a lot! ...
• Observations related to plate tectonics • Plate tectonic theory
... 2) Plates are destroyed at subduction zones. 3) Plate slide past one another along transform faults. 4) The area of the Earth remains constant with time. 5) Plates can transmit stresses over global distances. ...
... 2) Plates are destroyed at subduction zones. 3) Plate slide past one another along transform faults. 4) The area of the Earth remains constant with time. 5) Plates can transmit stresses over global distances. ...
ISN- Insert Plate Tectonics for Cornell Notes
... divergent boundaries occur along the mid-ocean ridges, where new crust is added during sea-floor spreading. Where pieces of Earth’s crust diverge on land, a deep valley called a rift valley forms where the crust is slowly pulling apart over a wide area. ...
... divergent boundaries occur along the mid-ocean ridges, where new crust is added during sea-floor spreading. Where pieces of Earth’s crust diverge on land, a deep valley called a rift valley forms where the crust is slowly pulling apart over a wide area. ...
Sea-Floor Spreading
... As the ocean spreads apart, it also plunges into deep water canyons called deepocean trenches. Subduction is the process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle. ...
... As the ocean spreads apart, it also plunges into deep water canyons called deepocean trenches. Subduction is the process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle. ...
Plate tectonics.notebook
... Oceanic plate sinks into the lithosphere Subduction Zone c. Oceanic Oceanic One plate will sink under the other 3. Transform Boundary plates slide past one another horizontally strike slip fault causes earthquakes What is behind all this? Convection current cycle of heating, rising, cooling ...
... Oceanic plate sinks into the lithosphere Subduction Zone c. Oceanic Oceanic One plate will sink under the other 3. Transform Boundary plates slide past one another horizontally strike slip fault causes earthquakes What is behind all this? Convection current cycle of heating, rising, cooling ...
Oceanic trench
The oceanic trenches are hemispheric-scale long but narrow topographic depressions of the sea floor. They are also the deepest parts of the ocean floor. Oceanic trenches are a distinctive morphological feature of convergent plate boundaries, along which lithospheric plates move towards each other at rates that vary from a few mm to over ten cm per year. A trench marks the position at which the flexed, subducting slab begins to descend beneath another lithospheric slab. Trenches are generally parallel to a volcanic island arc, and about 200 km (120 mi) from a volcanic arc. Oceanic trenches typically extend 3 to 4 km (1.9 to 2.5 mi) below the level of the surrounding oceanic floor. The greatest ocean depth to be sounded is in the Challenger Deep of the Mariana Trench, at a depth of 11,034 m (36,201 ft) below sea level. Oceanic lithosphere moves into trenches at a global rate of about 3 km2/yr.