Lecture 2 Notes: Origin and Age of the Earth
... the above processes. How do we know? The abundance of elements in the Sun and in one of the most primitive (i.e. least changed) meteorite classes, the “carbonaceous chondrites” is very similar to the abundance predicted by nucleosynthesis – a nice confirmation of that hypothesis, and a useful assay ...
... the above processes. How do we know? The abundance of elements in the Sun and in one of the most primitive (i.e. least changed) meteorite classes, the “carbonaceous chondrites” is very similar to the abundance predicted by nucleosynthesis – a nice confirmation of that hypothesis, and a useful assay ...
earthscope magnetic data reveal buried resources and an ancient
... Kansas that I interpret to reflect Precambrian river delta deposits. I speculate this to have formed from axial drainage along the rift—an ancient analogue of the modern Rio Grande delta,” says Bedrosian. ...
... Kansas that I interpret to reflect Precambrian river delta deposits. I speculate this to have formed from axial drainage along the rift—an ancient analogue of the modern Rio Grande delta,” says Bedrosian. ...
Created with Sketch. Models of the Earth (word : 930 KB)
... Activity: Models of the Earth 2. Bring out a hot steak pie. Hold it in front of the class and tell them that the pie is more than your lunch – it is a model of the Earth! Cut into the top layer of crust and watch as gravy (and possibly steam) comes to the surface. Discuss what’s inside the pie, wha ...
... Activity: Models of the Earth 2. Bring out a hot steak pie. Hold it in front of the class and tell them that the pie is more than your lunch – it is a model of the Earth! Cut into the top layer of crust and watch as gravy (and possibly steam) comes to the surface. Discuss what’s inside the pie, wha ...
Lesson Plan: Plate Tectonics
... A divergent boundary is a boundary where two tectonic plates are moving away from one another. Where plates pull apart, hot molten rock emerges as magma and so new matter is added to the plates. This is also accompanied by earthquakes. When the magma reaches the surface, it cools and solidifies to f ...
... A divergent boundary is a boundary where two tectonic plates are moving away from one another. Where plates pull apart, hot molten rock emerges as magma and so new matter is added to the plates. This is also accompanied by earthquakes. When the magma reaches the surface, it cools and solidifies to f ...
ALFRED WEGENER THEORY OF CONTINENTAL DRIFT
... 1. What are the three types of plate boundaries? 2. What are the three specific types of convergent boundaries? ...
... 1. What are the three types of plate boundaries? 2. What are the three specific types of convergent boundaries? ...
Document
... EXAMPLE: A student in Language Arts can demonstrate the ability to apply and comprehend critical language through the following statement: “Mark Twain exposes the hypocrisy of slavery through the use of satire.” A student in ______________ can demonstrate the ability to apply and comprehend critical ...
... EXAMPLE: A student in Language Arts can demonstrate the ability to apply and comprehend critical language through the following statement: “Mark Twain exposes the hypocrisy of slavery through the use of satire.” A student in ______________ can demonstrate the ability to apply and comprehend critical ...
this document
... According to the theory of plate tectonics, the Earth’s lithosphere, or outermost layer consisting of the crust and part of the mantle, is made of interlocking pieces, much like the cracked shell of a hard-boiled egg. The pieces of the lithosphere are known as lithospheric plates. The plates float a ...
... According to the theory of plate tectonics, the Earth’s lithosphere, or outermost layer consisting of the crust and part of the mantle, is made of interlocking pieces, much like the cracked shell of a hard-boiled egg. The pieces of the lithosphere are known as lithospheric plates. The plates float a ...
Dynamic Earth
... century with a proposal called continental drift – the idea that continents moved about the face of the planet ...
... century with a proposal called continental drift – the idea that continents moved about the face of the planet ...
Earthquakes and volcanoes
... • What would have to be present for an eruption to occur? • Melted rock just below the surface and enough pressure below the melted rock to push it to the surface. ...
... • What would have to be present for an eruption to occur? • Melted rock just below the surface and enough pressure below the melted rock to push it to the surface. ...
Lesson 4 – A Deeper Look at Plate Movement - Project 3D-VIEW
... Earth’s crust. At convergent boundaries where one plate is subducting below another, the crust is destroyed due to the tremendous heat and pressure. At the same time, convection currents are pushing plates apart in a different location. At divergent boundaries, magma from the asthenosphere pushes in ...
... Earth’s crust. At convergent boundaries where one plate is subducting below another, the crust is destroyed due to the tremendous heat and pressure. At the same time, convection currents are pushing plates apart in a different location. At divergent boundaries, magma from the asthenosphere pushes in ...
VOLCANIC ACTIVITY
... 3) major active area is Pacific Ring of Fire (Circum-Pacific Belt) b. two ocean plates 1) deep trench formed 2) line of volcanic islands form along trench = island arcs ...
... 3) major active area is Pacific Ring of Fire (Circum-Pacific Belt) b. two ocean plates 1) deep trench formed 2) line of volcanic islands form along trench = island arcs ...
Earth`s Tectonic Plates - kmstorres
... and the African Plate are also pulling apart. The Mid-Atlantic Ridge has formed at these divergent boundaries. It is the longest mountain range in the world-and it's under water! ...
... and the African Plate are also pulling apart. The Mid-Atlantic Ridge has formed at these divergent boundaries. It is the longest mountain range in the world-and it's under water! ...
sc.912.e.6.1
... • Slab-pull is a mechanism that contributes to plate motion in which cool, dense oceanic crust sinks into the mantle and “pulls” the trailing lithosphere along. It is thought to be the primary downward arm of convective flow in the mantle. ...
... • Slab-pull is a mechanism that contributes to plate motion in which cool, dense oceanic crust sinks into the mantle and “pulls” the trailing lithosphere along. It is thought to be the primary downward arm of convective flow in the mantle. ...
Plate Tectonics
... What evidence do we have to support this idea? o Mid-ocean ridges are warmer than surrounding ocean floors o Active volcanoes on ridges, earthquakes on ridges o Mid-ocean ridge rocks are younger than surrounding ocean floor rocks o Mid-ocean ridge volcanoes are younger than volcanoes further away ...
... What evidence do we have to support this idea? o Mid-ocean ridges are warmer than surrounding ocean floors o Active volcanoes on ridges, earthquakes on ridges o Mid-ocean ridge rocks are younger than surrounding ocean floor rocks o Mid-ocean ridge volcanoes are younger than volcanoes further away ...
divergent boundary
... The Mantle is the largest and thickest layer of the Earth and is 2900 km thick. The mantle is the middle layer composed of very hot dense rock that flows like asphalt under a heavy weight. The top portion of the mantle is called the asthenosphere. The movement of the mantle (asthenosphere) is the re ...
... The Mantle is the largest and thickest layer of the Earth and is 2900 km thick. The mantle is the middle layer composed of very hot dense rock that flows like asphalt under a heavy weight. The top portion of the mantle is called the asthenosphere. The movement of the mantle (asthenosphere) is the re ...
Earthquakes
... • Upper crust composed of granitic rocks • Lower crust is more akin to basalt • Average density is about 2.7 g/cm3 • Up to 4 billion years old ...
... • Upper crust composed of granitic rocks • Lower crust is more akin to basalt • Average density is about 2.7 g/cm3 • Up to 4 billion years old ...
CHAPTER 5: EATHQUAKES
... low viscosity. More-violent eruptions occur where gases cannot escape easily, this happens due to high viscosity conditions. Most of the world’s active volcanoes are located along convergent plate boundaries. NOTE: divergent boundaries have a great deal of volcanic activity, but generally volcanoes ...
... low viscosity. More-violent eruptions occur where gases cannot escape easily, this happens due to high viscosity conditions. Most of the world’s active volcanoes are located along convergent plate boundaries. NOTE: divergent boundaries have a great deal of volcanic activity, but generally volcanoes ...
Plate Tectonics Basics – Tutorial Script - FOG
... On the surface we call the zone where two plates are moving apart a divergent plate boundary. The build-up of heat and material below pushes the plate upward at this point and creates a linear mountain ridge (when these form along the ocean floor, we call them ocean ridges and rises). As the plates ...
... On the surface we call the zone where two plates are moving apart a divergent plate boundary. The build-up of heat and material below pushes the plate upward at this point and creates a linear mountain ridge (when these form along the ocean floor, we call them ocean ridges and rises). As the plates ...
The Theory of Plate Tectonics
... The Theory of Plate Tectonics (tectonicus-building) Earth’s lithosphere (the crust and the upper mantle) is broken into separate sections called plates. The plates fit closely together along cracks in the crust. They carry the continents, or parts of the ocean floor, or both. The geological theory o ...
... The Theory of Plate Tectonics (tectonicus-building) Earth’s lithosphere (the crust and the upper mantle) is broken into separate sections called plates. The plates fit closely together along cracks in the crust. They carry the continents, or parts of the ocean floor, or both. The geological theory o ...
Slide 1
... Sea Floor Spreading & Formation of Oceanic Crust: http://www.wwnorton.com/college/geo/egeo/animations/ch2.htm HSW: Earth Science: The Spreading Seafloor Time: 04:01 ...
... Sea Floor Spreading & Formation of Oceanic Crust: http://www.wwnorton.com/college/geo/egeo/animations/ch2.htm HSW: Earth Science: The Spreading Seafloor Time: 04:01 ...
Building Features on Eearth`s Surface
... also where two continents collide with each other, as in the Himalayas. Growth of Continents at Subduction Zones. During the long travels of an oceanic plate from a mid-ocean ridge to a subduction zone, a hundred meters or more of oceanic sediment is deposited on the top of the plate. In Part 6 of t ...
... also where two continents collide with each other, as in the Himalayas. Growth of Continents at Subduction Zones. During the long travels of an oceanic plate from a mid-ocean ridge to a subduction zone, a hundred meters or more of oceanic sediment is deposited on the top of the plate. In Part 6 of t ...
Chapter 9 Review Test
... 12. Most active volcanoes form a. far from bodies of water. b. where tectonic plates collide. c. where tectonic plates separate. d. where tectonic plates move back and forth. ...
... 12. Most active volcanoes form a. far from bodies of water. b. where tectonic plates collide. c. where tectonic plates separate. d. where tectonic plates move back and forth. ...
Geology
Geology (from the Greek γῆ, gē, i.e. ""earth"" and -λoγία, -logia, i.e. ""study of, discourse"") is an earth science comprising the study of solid Earth, the rocks of which it is composed, and the processes by which they change. Geology can also refer generally to the study of the solid features of any celestial body (such as the geology of the Moon or Mars).Geology gives insight into the history of the Earth by providing the primary evidence for plate tectonics, the evolutionary history of life, and past climates. Geology is important for mineral and hydrocarbon exploration and exploitation, evaluating water resources, understanding of natural hazards, the remediation of environmental problems, and for providing insights into past climate change. Geology also plays a role in geotechnical engineering and is a major academic discipline.