Presentation
... The mantle of the Earth is broken into two layers based on characteristics of each. The Lithosphere is the uppermost part of the mantle. It is rigid like stone. The asthenosphere is semi-rigid layer under the lithosphere. Beneath the asthenosphere, the mantle is solid all the way to the core. ...
... The mantle of the Earth is broken into two layers based on characteristics of each. The Lithosphere is the uppermost part of the mantle. It is rigid like stone. The asthenosphere is semi-rigid layer under the lithosphere. Beneath the asthenosphere, the mantle is solid all the way to the core. ...
Plate Movements and Continental Growth
... Understanding plate tectonics has enabled geologists to reconstruct what Earth’s surface may have looked like millions of years ago. ...
... Understanding plate tectonics has enabled geologists to reconstruct what Earth’s surface may have looked like millions of years ago. ...
The theory of Plate Tectonics Plate Boundaries
... ● At plate boundaries, many other geologic features, ...
... ● At plate boundaries, many other geologic features, ...
Paleomagnetism: Divergent Boundary
... destroyed at deep sea trenches. This was the missing link needed by Wegener to complete his model for continental drift. There are a dozen or so major plates and several smaller plates. Tectonic plates move in different directions and different rates over the Earth’s surface. Tectonic plates interac ...
... destroyed at deep sea trenches. This was the missing link needed by Wegener to complete his model for continental drift. There are a dozen or so major plates and several smaller plates. Tectonic plates move in different directions and different rates over the Earth’s surface. Tectonic plates interac ...
Plate Tectonics Student Booklet part 1
... In 1910, Wegener noticed the matching coastlines of the Atlantic continents — they looked on maps as if they had once fitted together. He was not the first to notice this, but it was an idea that would never leave his thoughts. He pursued his studies of the continents and he presented his Continenta ...
... In 1910, Wegener noticed the matching coastlines of the Atlantic continents — they looked on maps as if they had once fitted together. He was not the first to notice this, but it was an idea that would never leave his thoughts. He pursued his studies of the continents and he presented his Continenta ...
fission - cloudfront.net
... rocks farther away. True c. (T or F) Continental rock is younger than oceanic rock. False ...
... rocks farther away. True c. (T or F) Continental rock is younger than oceanic rock. False ...
Chapter 3 Geosphere
... Lithosphere is divided into tectonic plates. Plates glide across the underlying asthenosphere. Major tectonic plates: Pacific, North American, Cocos, Nazca, South American, Eurasian, Indian, Australian, Antarctic ...
... Lithosphere is divided into tectonic plates. Plates glide across the underlying asthenosphere. Major tectonic plates: Pacific, North American, Cocos, Nazca, South American, Eurasian, Indian, Australian, Antarctic ...
4-1 Earth`s Interior
... the earth’s surface to the center of the earth: • 1/2 hour to drive through continental crust • 29 hours to drive through mantle • about 35 hours to drive through the core ...
... the earth’s surface to the center of the earth: • 1/2 hour to drive through continental crust • 29 hours to drive through mantle • about 35 hours to drive through the core ...
Geology Practice Test 2012 Minerals – use your mineral flow chart
... 50. The state of balance between materials of different densities in the Earth's crust. 51. The theory that the Earth's crust is divided into several large pieces that are slowly moving. 52. The name of the large rift zone that runs through the Atlantic ocean and is responsible for "pushing" North A ...
... 50. The state of balance between materials of different densities in the Earth's crust. 51. The theory that the Earth's crust is divided into several large pieces that are slowly moving. 52. The name of the large rift zone that runs through the Atlantic ocean and is responsible for "pushing" North A ...
Plate Boundaries
... On the back of that half, label at the top “Definition of _____” and label accordingly. On the second page of notebook, fold in half and then draw a line up the center. Then separate into the same three even halves. Across the top of this page, label each “Landforms or Geologic Events” and then labe ...
... On the back of that half, label at the top “Definition of _____” and label accordingly. On the second page of notebook, fold in half and then draw a line up the center. Then separate into the same three even halves. Across the top of this page, label each “Landforms or Geologic Events” and then labe ...
8.4 Plate Movement and Continental Growth
... A thick layer of sediments accumulates on the bottom of the planetary ocean. These sediments consist of dead organisms, debris carried from the surface of the continents by major rivers, or loose material carried by air currents from continents (dust particles, volcanic ashes, etc.) This material wi ...
... A thick layer of sediments accumulates on the bottom of the planetary ocean. These sediments consist of dead organisms, debris carried from the surface of the continents by major rivers, or loose material carried by air currents from continents (dust particles, volcanic ashes, etc.) This material wi ...
Volcanoes Study Guide
... plate's being drawn down or or pushed on top of the other plate. Oceanic Plate to Continental Plate - When a thin, dense oceanic plate collides with a relatively light, thick continental plate, the oceanic plate is forced under the continental plate; this is called subduction. Oceanic Plate to Ocean ...
... plate's being drawn down or or pushed on top of the other plate. Oceanic Plate to Continental Plate - When a thin, dense oceanic plate collides with a relatively light, thick continental plate, the oceanic plate is forced under the continental plate; this is called subduction. Oceanic Plate to Ocean ...
Plate Tectonics Tristan McMulen
... understanding of other types of science which help him understand geology better to come up with his theories. Roberto Montavani and Willam Henry Pickering both expanded on Wegner’s theory on continental drift. ...
... understanding of other types of science which help him understand geology better to come up with his theories. Roberto Montavani and Willam Henry Pickering both expanded on Wegner’s theory on continental drift. ...
MS Word
... Divergent boundaries construct, convergent boundaries destruct, and transform boundaries conserve the crust. b. Divergent boundaries destruct, convergent boundaries construct, and transform boundaries conserve the crust. c. Divergent boundaries construct, and convergent and transform boundaries dest ...
... Divergent boundaries construct, convergent boundaries destruct, and transform boundaries conserve the crust. b. Divergent boundaries destruct, convergent boundaries construct, and transform boundaries conserve the crust. c. Divergent boundaries construct, and convergent and transform boundaries dest ...
Notes: Plate Tectonics - Riverdale Middle School
... • Heat from the core and the mantle itself causes convection currents in the mantle. • Mantle rock rises slowly from the bottom of the mantle toward the top. The hot rock eventually cools and sinks back through the mantle. Over and over the cycle of rising and sinking takes place. • Convection curre ...
... • Heat from the core and the mantle itself causes convection currents in the mantle. • Mantle rock rises slowly from the bottom of the mantle toward the top. The hot rock eventually cools and sinks back through the mantle. Over and over the cycle of rising and sinking takes place. • Convection curre ...
Chapter 2 – A Living Planet - smallworldbigthoughts-eub-geo
... ocean usually caused by massive shifts in the Earth’s crust • Tsunami Animation ...
... ocean usually caused by massive shifts in the Earth’s crust • Tsunami Animation ...
The Birth of Plate Tectonics
... oceanic Nazca Plate is pushed toward and beneath the continental portion of the South American Plate, is an example of a convergent plate boundary. ...
... oceanic Nazca Plate is pushed toward and beneath the continental portion of the South American Plate, is an example of a convergent plate boundary. ...
Ch 12 Vocabulary - Taylor County Schools
... mountain ranges with a rift valley between them that extends around Earth on the . Formed at a plate boundary. Rift Valley – , linear, dropped-down between twin, parallel mountain ranges produced by faulting. Divergent Boundary – Plate moving from each other. ...
... mountain ranges with a rift valley between them that extends around Earth on the . Formed at a plate boundary. Rift Valley – , linear, dropped-down between twin, parallel mountain ranges produced by faulting. Divergent Boundary – Plate moving from each other. ...
Geomorphology
... island arc, as are the Philippines. Thermal convection produces slow moving currents in the underlying asthenosphere which exert drag on the lithospheric plates setting them in motion. Hot spots are other zones of volcanic activity on the sea-floor. They are located away from the edges of plates and ...
... island arc, as are the Philippines. Thermal convection produces slow moving currents in the underlying asthenosphere which exert drag on the lithospheric plates setting them in motion. Hot spots are other zones of volcanic activity on the sea-floor. They are located away from the edges of plates and ...
Plate tectonics
Plate tectonics (from the Late Latin tectonicus, from the Greek: τεκτονικός ""pertaining to building"") is a scientific theory that describes the large-scale motion of Earth's lithosphere. This theoretical model builds on the concept of continental drift which was developed during the first few decades of the 20th century. The geoscientific community accepted the theory after the concepts of seafloor spreading were later developed in the late 1950s and early 1960s.The lithosphere, which is the rigid outermost shell of a planet (on Earth, the crust and upper mantle), is broken up into tectonic plates. On Earth, there are seven or eight major plates (depending on how they are defined) and many minor plates. Where plates meet, their relative motion determines the type of boundary; convergent, divergent, or transform. Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along these plate boundaries. The lateral relative movement of the plates typically varies from zero to 100 mm annually.Tectonic plates are composed of oceanic lithosphere and thicker continental lithosphere, each topped by its own kind of crust. Along convergent boundaries, subduction carries plates into the mantle; the material lost is roughly balanced by the formation of new (oceanic) crust along divergent margins by seafloor spreading. In this way, the total surface of the globe remains the same. This prediction of plate tectonics is also referred to as the conveyor belt principle. Earlier theories (that still have some supporters) propose gradual shrinking (contraction) or gradual expansion of the globe.Tectonic plates are able to move because the Earth's lithosphere has greater strength than the underlying asthenosphere. Lateral density variations in the mantle result in convection. Plate movement is thought to be driven by a combination of the motion of the seafloor away from the spreading ridge (due to variations in topography and density of the crust, which result in differences in gravitational forces) and drag, with downward suction, at the subduction zones. Another explanation lies in the different forces generated by the rotation of the globe and the tidal forces of the Sun and Moon. The relative importance of each of these factors and their relationship to each other is unclear, and still the subject of much debate.