Science Background Information
... Lithology The study and description of the macroscopic features of a rock, such as texture and structure, is called lithology. Lithological similarities between rocks in different parts of the world indicate that the same geologic processes were occurring at about the same time—again providing evide ...
... Lithology The study and description of the macroscopic features of a rock, such as texture and structure, is called lithology. Lithological similarities between rocks in different parts of the world indicate that the same geologic processes were occurring at about the same time—again providing evide ...
review list 2013
... Facts/Concepts to know for Unit 2: Dynamic Crust Convection currents in the asthenosphere move the lithospheric plates. Plate movement causes earthquakes (and makes mountains, volcanoes and new ocean crust), therefore these things occur mostly along active plate boundaries. There are three typ ...
... Facts/Concepts to know for Unit 2: Dynamic Crust Convection currents in the asthenosphere move the lithospheric plates. Plate movement causes earthquakes (and makes mountains, volcanoes and new ocean crust), therefore these things occur mostly along active plate boundaries. There are three typ ...
ES O&A 3-2-15 - Issaquah Connect
... 1. Turn in your Pangaea Lab (if you didn’t yesterday). 2. Finish your Seafloor Spreading Lab (I will collect them tomorrow and Friday). 3. Use your Seafloor Spreading Model to explain the theory to the people at your table. 4. Add big ideas about the Theories of Continental Drift and Seafloor Spread ...
... 1. Turn in your Pangaea Lab (if you didn’t yesterday). 2. Finish your Seafloor Spreading Lab (I will collect them tomorrow and Friday). 3. Use your Seafloor Spreading Model to explain the theory to the people at your table. 4. Add big ideas about the Theories of Continental Drift and Seafloor Spread ...
File - Mr. Derrick Baker
... · magma (iron and magnesium) that makes up the mantle · mostly solid except the outer 200-300 Km which is extremely hot and goopy; very plastic-like · outermost liquid layer of the mantle is referred to as the asthenosphere ...
... · magma (iron and magnesium) that makes up the mantle · mostly solid except the outer 200-300 Km which is extremely hot and goopy; very plastic-like · outermost liquid layer of the mantle is referred to as the asthenosphere ...
ESU-LT1-4
... Oceanic Crust: crust beneath the ocean; 5-10 km thick Continental Crust: crust beneath land; 15-80 km thick; thickest beneath mountain ranges 2900 km thick Makes up 2/3 of Earth’s mass ...
... Oceanic Crust: crust beneath the ocean; 5-10 km thick Continental Crust: crust beneath land; 15-80 km thick; thickest beneath mountain ranges 2900 km thick Makes up 2/3 of Earth’s mass ...
Name: : Earth Science Mr. Herman Exeter SHS Chapter 10.1
... Role of Water • Causes rock to melt at a lower temperature • Plays an important role in subducting ocean plates Divergent Plate Boundaries • The greatest volume of volcanic rock is produced along the oceanic ridge system. • Lithosphere pulls apart. • Less pressure on underlying rocks • Partial melti ...
... Role of Water • Causes rock to melt at a lower temperature • Plays an important role in subducting ocean plates Divergent Plate Boundaries • The greatest volume of volcanic rock is produced along the oceanic ridge system. • Lithosphere pulls apart. • Less pressure on underlying rocks • Partial melti ...
Kusky Tim
... oceanic substratum, and accretion at convergent margins has been a major Earth process since at least 3.8 Ga ago. There have been some secular changes in the rock types in OPS, such as changes in carbonates and radiolarian cherts whose sources were in the biota in existence in Phanerozoic times but ...
... oceanic substratum, and accretion at convergent margins has been a major Earth process since at least 3.8 Ga ago. There have been some secular changes in the rock types in OPS, such as changes in carbonates and radiolarian cherts whose sources were in the biota in existence in Phanerozoic times but ...
Intro to plate tectonics
... • If these plate motions continue, Baja will splinter off California. ...
... • If these plate motions continue, Baja will splinter off California. ...
class outline - WordPress.com
... Divergent plate boundaries are characterized by oceanic trenches and are located toward the center of most ocean basins. An oceanic ridge would have the youngest ocean floor in a typical ocean basin. As the oceanic lithosphere spreads away from the divergent boundary, the age of rocks on the ocean f ...
... Divergent plate boundaries are characterized by oceanic trenches and are located toward the center of most ocean basins. An oceanic ridge would have the youngest ocean floor in a typical ocean basin. As the oceanic lithosphere spreads away from the divergent boundary, the age of rocks on the ocean f ...
Tectonic Plate Boundaries Inquiry Lesson
... 1. Lay out the sheet of wax paper on your table. 2. Spread the frosting on the paper 5 x 5 in square. (Asthenosphere) 3. Lay the two fruit roll up square next to each other. 4. Press them down. a. They represent the oceanic crust – basalt, thin but dense b. Oceanic plates move on top of the asthenos ...
... 1. Lay out the sheet of wax paper on your table. 2. Spread the frosting on the paper 5 x 5 in square. (Asthenosphere) 3. Lay the two fruit roll up square next to each other. 4. Press them down. a. They represent the oceanic crust – basalt, thin but dense b. Oceanic plates move on top of the asthenos ...
Nat Sci 102 Name
... beneath Earth’s surface. This circulation of mantle material causes the continental and oceanic plates to move across Earth’s surface. At various locations on Earth’s surface, we are able to observe plates colliding, plates separating, and plates moving horizontally. The drawing below shows a cross ...
... beneath Earth’s surface. This circulation of mantle material causes the continental and oceanic plates to move across Earth’s surface. At various locations on Earth’s surface, we are able to observe plates colliding, plates separating, and plates moving horizontally. The drawing below shows a cross ...
Plate Tectonics
... Plate Tectonics Liz LaRosa for use with my 5th Grade Science Class http://www.middleschoolscience.com 2009 ...
... Plate Tectonics Liz LaRosa for use with my 5th Grade Science Class http://www.middleschoolscience.com 2009 ...
Announcements - Western Washington University
... Also identified changes in climate, ocean chemistry and marine plankton assemblages over 100 m.y. time scales. Ridge Crest ...
... Also identified changes in climate, ocean chemistry and marine plankton assemblages over 100 m.y. time scales. Ridge Crest ...
Plate Tectonics - Madeira City Schools
... Divergent Boundary • Two Tectonic Plates moving away from each other (Tension) • As the lithosphere moves apart – the lithosphere thins • Thinning allows the lithosphere to rise to the surfac ...
... Divergent Boundary • Two Tectonic Plates moving away from each other (Tension) • As the lithosphere moves apart – the lithosphere thins • Thinning allows the lithosphere to rise to the surfac ...
Name: Structure of the Earth and Plate Tectonics – Study Guide 1
... Where do convection currents flow in Earth’s layers? What does Earth’s spinning inner core create? What happens to temperature and pressure as depth beneath Earth’s surface increases How is heat transferred beneath Earth’s surface What will happen to convection currents beneath Earth’s surface as th ...
... Where do convection currents flow in Earth’s layers? What does Earth’s spinning inner core create? What happens to temperature and pressure as depth beneath Earth’s surface increases How is heat transferred beneath Earth’s surface What will happen to convection currents beneath Earth’s surface as th ...
Plate Tectonics - East Hanover Township School District
... Earth’s Layers The Earth's rocky outer crust solidified billions of years ago, soon after the Earth formed. This crust is not a solid shell; it is broken up into huge, thick plates that drift atop the soft, underlying mantle. ...
... Earth’s Layers The Earth's rocky outer crust solidified billions of years ago, soon after the Earth formed. This crust is not a solid shell; it is broken up into huge, thick plates that drift atop the soft, underlying mantle. ...
Theory of Plate Tectonics IV
... Prior to a continental collision, the landmasses are separated by oceanic crust, formed during an earlier episode of seafloor spreading. As the continental blocks converge, the intervening sea floor is subducted beneath one of the plates. ...
... Prior to a continental collision, the landmasses are separated by oceanic crust, formed during an earlier episode of seafloor spreading. As the continental blocks converge, the intervening sea floor is subducted beneath one of the plates. ...
Geology 12
... moving away (#1: plate is being created), towards (#2: plate is being destroyed), or past each other (#3) ...
... moving away (#1: plate is being created), towards (#2: plate is being destroyed), or past each other (#3) ...
Earths Internal Structure ws File
... than the deeper layers. The thickness of the crust varies considerably. Beneath continents, it is about 30 km. Mountains have a corresponding root within the Earth, sometimes increasing the thickness of the crust to over 70 km. Oceanic crust is thinner than continents crust, usually 5-10 km thick, a ...
... than the deeper layers. The thickness of the crust varies considerably. Beneath continents, it is about 30 km. Mountains have a corresponding root within the Earth, sometimes increasing the thickness of the crust to over 70 km. Oceanic crust is thinner than continents crust, usually 5-10 km thick, a ...
Warm- up Question Summarize: What you know about Continental
... plates. 3 types of collisions One type is a subduction, in which one plate slips under another forming a deep ocean trench. Second, two continental plates collide and form tall mountain ranges. Third, two ocean plates collide and form a ocean trench and island arch along the edge ...
... plates. 3 types of collisions One type is a subduction, in which one plate slips under another forming a deep ocean trench. Second, two continental plates collide and form tall mountain ranges. Third, two ocean plates collide and form a ocean trench and island arch along the edge ...
PPT
... B. Transforming Boundaries 1. boundaries at which plates move past one another in opposite directions or in same direction but at different rates 2. high area for earthquakes but low volcanic activity 3. San Andreas Fault is example ...
... B. Transforming Boundaries 1. boundaries at which plates move past one another in opposite directions or in same direction but at different rates 2. high area for earthquakes but low volcanic activity 3. San Andreas Fault is example ...
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.