Theory of Plate Tectonics
... Wegener’s Continental Drift How do we explain Sea-floor spreading and Continental Drift? Plate Tectonics ...
... Wegener’s Continental Drift How do we explain Sea-floor spreading and Continental Drift? Plate Tectonics ...
Abyssal plain-
... Gas hydrate- 378 unusually compact chemical structures made of water and natural gas. Graded bedding- a sediment layer that is characterized by a decrease in sediment size from bottom to top. Guyot- a submerged flat topped seamount. ...
... Gas hydrate- 378 unusually compact chemical structures made of water and natural gas. Graded bedding- a sediment layer that is characterized by a decrease in sediment size from bottom to top. Guyot- a submerged flat topped seamount. ...
oceanic ridges
... Scientists have found that continental crust is sooooo much older (up to 4 billion years old) than even the oldest oceanic crust (about 170 million years old) found so far on the earth ...
... Scientists have found that continental crust is sooooo much older (up to 4 billion years old) than even the oldest oceanic crust (about 170 million years old) found so far on the earth ...
Lexicon of Useful Plate Tectonic Terms v
... black smoker – a deep sea vent which spews hot, mineral rich water core – the center, like the pit of a peach convection – movement due to a change in density caused by heating and cooling convergence zone – where two plates crash into each other/ the Himalayas are the result of such a collision cru ...
... black smoker – a deep sea vent which spews hot, mineral rich water core – the center, like the pit of a peach convection – movement due to a change in density caused by heating and cooling convergence zone – where two plates crash into each other/ the Himalayas are the result of such a collision cru ...
Chapter 19
... • trenches a long, narrow, and steep depression that forms on the ocean floor as a result of subduction of a tectonic plate, that runs parallel to the trend of a chain of volcanic islands or the coastline of a continent, and that may be as deep as 11 km below sea level; also called an ocean trench o ...
... • trenches a long, narrow, and steep depression that forms on the ocean floor as a result of subduction of a tectonic plate, that runs parallel to the trend of a chain of volcanic islands or the coastline of a continent, and that may be as deep as 11 km below sea level; also called an ocean trench o ...
4.1 & 4.2 Plate Tectonics
... • Where is the newest (youngest) oceanic rock found in the diagram? • Where is the oldest oceanic rock found in the diagram? A ...
... • Where is the newest (youngest) oceanic rock found in the diagram? • Where is the oldest oceanic rock found in the diagram? A ...
Get out your pieces for Tectonicland Have your HOMEWORK
... Plate Tectonics What evidence do scientists have to support the fact that the Earth’s crust is continuously moving? ...
... Plate Tectonics What evidence do scientists have to support the fact that the Earth’s crust is continuously moving? ...
Plate Tectonics and Continental Drift
... ____ 6. The lithosphere consists of two parts, which are the crust and the upper mantle. ____ 7. As distance increases from a mid-ocean ridge, the rocks are older. Where is the youngest oceanic crust located? At the mid ocean ridges, where the two plates move a apart, or diverge. ____ 8. Most earthq ...
... ____ 6. The lithosphere consists of two parts, which are the crust and the upper mantle. ____ 7. As distance increases from a mid-ocean ridge, the rocks are older. Where is the youngest oceanic crust located? At the mid ocean ridges, where the two plates move a apart, or diverge. ____ 8. Most earthq ...
Presentation
... Puzzle Theory: How well the continents fit together, like a puzzle. Fossil Pattern: Fossils of the same plant and animal species are found on continents that are on different side of the Atlantic. Rocks: Rock formations and rock dating showed that these rocks and formations were the same age, thus l ...
... Puzzle Theory: How well the continents fit together, like a puzzle. Fossil Pattern: Fossils of the same plant and animal species are found on continents that are on different side of the Atlantic. Rocks: Rock formations and rock dating showed that these rocks and formations were the same age, thus l ...
How Do Earthquakes Tell Us About the Earth`s Interior?
... • Plates with continental edges override ocean edges because they are less dense – Again, the ocean crust melts as it subducts, giving water to the asthenosphere which also melts – Coastal trench, huge earthquakes/volcanoes on land – Melting along continent edges richer in silica (Si) which makes th ...
... • Plates with continental edges override ocean edges because they are less dense – Again, the ocean crust melts as it subducts, giving water to the asthenosphere which also melts – Coastal trench, huge earthquakes/volcanoes on land – Melting along continent edges richer in silica (Si) which makes th ...
Continental Drift 1 The hypothesis that all the continents were once
... A plate boundary where two plates move past each other in opposite directions. ...
... A plate boundary where two plates move past each other in opposite directions. ...
Abyssal plain-
... Gas hydrate- 378 unusually compact chemical structures made of water and natural gas. Graded bedding- a sediment layer that is characterized by a decrease in sediment size from bottom to top. Guyot- a submerged flat topped seamount. ...
... Gas hydrate- 378 unusually compact chemical structures made of water and natural gas. Graded bedding- a sediment layer that is characterized by a decrease in sediment size from bottom to top. Guyot- a submerged flat topped seamount. ...
I.can.explain.how.the.rock.cycle,.plate.tectonics,.volcanoes,.and
... rocks to change from one type to another ! A continuous process ! Driven by heat and mechanical energy ROCK CYCLE VIDEO ...
... rocks to change from one type to another ! A continuous process ! Driven by heat and mechanical energy ROCK CYCLE VIDEO ...
Plate Tectonics Review
... 1. The Theory of Plate Tectonics combines Continental Drift with the processes of ____________________ & ____________________. 2. Lithospheric Plates includes the two types of crust (______________ or _______________) and the upper rigid part of the mantle. 3. Oceanic Crust is ______________________ ...
... 1. The Theory of Plate Tectonics combines Continental Drift with the processes of ____________________ & ____________________. 2. Lithospheric Plates includes the two types of crust (______________ or _______________) and the upper rigid part of the mantle. 3. Oceanic Crust is ______________________ ...
volcanoes-natural-processes
... Type of volcanic activity • The level and type of volcanic activity are determined by the direction of the plate movement and whether the plates are oceanic or continental • The oceanic plates consist mainly of basalt, which originates from the rising magma in the upper part of the mantle, beneath ...
... Type of volcanic activity • The level and type of volcanic activity are determined by the direction of the plate movement and whether the plates are oceanic or continental • The oceanic plates consist mainly of basalt, which originates from the rising magma in the upper part of the mantle, beneath ...
True or False 1. Divergent boundaries can only be found in the
... 2. The Grand Tetons of Wyoming is an example of tilted-fault block mountain systems. (a) true (b) false 3. During El Niño years, Columbia River Basin’s streamflows tend to be low. (a) true (b) false 4. The Appalachians are older than the Rockies. (a) true (b) false Multiple choice 1. Terranes refer ...
... 2. The Grand Tetons of Wyoming is an example of tilted-fault block mountain systems. (a) true (b) false 3. During El Niño years, Columbia River Basin’s streamflows tend to be low. (a) true (b) false 4. The Appalachians are older than the Rockies. (a) true (b) false Multiple choice 1. Terranes refer ...
Chapter 4 Section 3 – The Theory of Plate Tectonics
... 3) What is the force strong enough to move the plates? convection/convection currents ...
... 3) What is the force strong enough to move the plates? convection/convection currents ...
Chapter 10 study guide
... Convergent boundaries – when two plates collide with one another. Here the ocean crust is being destroyed. Three types of collisions can occur with convergent boundaries. 1. Oceanic-Continental Convergence - Since oceanic plate is denser it sinks (subducts) under the less dense continental lithosph ...
... Convergent boundaries – when two plates collide with one another. Here the ocean crust is being destroyed. Three types of collisions can occur with convergent boundaries. 1. Oceanic-Continental Convergence - Since oceanic plate is denser it sinks (subducts) under the less dense continental lithosph ...
Handout 4-3.2
... • The plankton are consumed by small marine organisms, which in turn, become food for larger marine animals. • which in turn, become food for larger marine ...
... • The plankton are consumed by small marine organisms, which in turn, become food for larger marine animals. • which in turn, become food for larger marine ...
Jeopardy - MrsHoranAcademicStrategies
... How does the density of most Liquids and/or gases substances change when heated? Why? ...
... How does the density of most Liquids and/or gases substances change when heated? Why? ...
Earth`s Changing Surface Review
... He could not identify the force that moves the tectonic plates ...
... He could not identify the force that moves the tectonic plates ...
A gently sloping hill that connects the continental slope to the ocean
... continental edge (covered by shallow water) ...
... continental edge (covered by shallow water) ...
File - Flipped Out Science with Mrs. Thomas!
... He could not identify the force that moves the tectonic plates ...
... He could not identify the force that moves the tectonic plates ...
Oceanography
... seaward edge is generally about 130-200m water depth. The continental slope lies seaward of the shelf break. The slope here steepens considerably. The continental rise lies at the base of the slope, where the slope lessens and the bottom flattens out. There are thick sedimentary deposits, in many ca ...
... seaward edge is generally about 130-200m water depth. The continental slope lies seaward of the shelf break. The slope here steepens considerably. The continental rise lies at the base of the slope, where the slope lessens and the bottom flattens out. There are thick sedimentary deposits, in many ca ...
topography of the seafloor notes
... Typically runs perpendicular to the shoreline. Carved out by water (typically rivers). Remember the continental shelf used to be “land.” ...
... Typically runs perpendicular to the shoreline. Carved out by water (typically rivers). Remember the continental shelf used to be “land.” ...
Abyssal plain
An abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between 3000 and 6000 m. Lying generally between the foot of a continental rise and a mid-ocean ridge, abyssal plains cover more than 50% of the Earth’s surface. They are among the flattest, smoothest and least explored regions on Earth. Abyssal plains are key geologic elements of oceanic basins (the other elements being an elevated mid-ocean ridge and flanking abyssal hills). In addition to these elements, active oceanic basins (those that are associated with a moving plate tectonic boundary) also typically include an oceanic trench and a subduction zone.Abyssal plains were not recognized as distinct physiographic features of the sea floor until the late 1940s and, until very recently, none had been studied on a systematic basis. They are poorly preserved in the sedimentary record, because they tend to be consumed by the subduction process. The creation of the abyssal plain is the end result of spreading of the seafloor (plate tectonics) and melting of the lower oceanic crust. Magma rises from above the asthenosphere (a layer of the upper mantle) and as this basaltic material reaches the surface at mid-ocean ridges it forms new oceanic crust. This is constantly pulled sideways by spreading of the seafloor. Abyssal plains result from the blanketing of an originally uneven surface of oceanic crust by fine-grained sediments, mainly clay and silt. Much of this sediment is deposited by turbidity currents that have been channelled from the continental margins along submarine canyons down into deeper water. The remainder of the sediment is composed chiefly of pelagic sediments. Metallic nodules are common in some areas of the plains, with varying concentrations of metals, including manganese, iron, nickel, cobalt, and copper. These nodules may provide a significant resource for future mining ventures.Owing in part to their vast size, abyssal plains are currently believed to be a major reservoir of biodiversity. The abyss also exerts significant influence upon ocean carbon cycling, dissolution of calcium carbonate, and atmospheric CO2 concentrations over timescales of 100–1000 years. The structure and function of abyssal ecosystems are strongly influenced by the rate of flux of food to the seafloor and the composition of the material that settles. Factors such as climate change, fishing practices, and ocean fertilization are expected to have a substantial effect on patterns of primary production in the euphotic zone. This will undoubtedly impact the flux of organic material to the abyss in a similar manner and thus have a profound effect on the structure, function and diversity of abyssal ecosystems.