The Dynamic Planet Revealed - Frankfurt Institute for Advanced
... Ascending convection.-Ascending convection is associated with oceanic ridges (Hess 1962, Girdler 1965, Orowan 1965, 1966) . As mantle material rises beneath the ridge, it undergoes a nearly adiabatic pressure reduction and partial mel ting occurs. There is strong evidence that the upper mantle is o ...
... Ascending convection.-Ascending convection is associated with oceanic ridges (Hess 1962, Girdler 1965, Orowan 1965, 1966) . As mantle material rises beneath the ridge, it undergoes a nearly adiabatic pressure reduction and partial mel ting occurs. There is strong evidence that the upper mantle is o ...
CHAPTER 3
... Major Concept (VIII) Divergent plate boundaries are marked by rift zones where the lithosphere breaks apart. These occur most frequently in oceanic areas but are also seen in some continental regions. Related or supporting concepts: - The thickness of the lithosphere depends on location. In oceanic ...
... Major Concept (VIII) Divergent plate boundaries are marked by rift zones where the lithosphere breaks apart. These occur most frequently in oceanic areas but are also seen in some continental regions. Related or supporting concepts: - The thickness of the lithosphere depends on location. In oceanic ...
Ocean Chemistry
... ▫ If all water evaporated and left the salt behind, the entire planet would be covered with a 150 ft layer of salt ...
... ▫ If all water evaporated and left the salt behind, the entire planet would be covered with a 150 ft layer of salt ...
MS PowerPoint document, click here
... Lines that run from the North Pole to the South Pole and are not parallel to one another Divides the Earth into East and West directions ►Center ...
... Lines that run from the North Pole to the South Pole and are not parallel to one another Divides the Earth into East and West directions ►Center ...
Here
... bread in your oven at 350 degrees Fahrenheit , at 1600 degrees F. rocks begin to melt. The crust of the Earth is broken into many pieces called plates. The plates "float" on the soft, plastic mantle which is located below the crust. These plates usually move along smoothly but sometimes they stick a ...
... bread in your oven at 350 degrees Fahrenheit , at 1600 degrees F. rocks begin to melt. The crust of the Earth is broken into many pieces called plates. The plates "float" on the soft, plastic mantle which is located below the crust. These plates usually move along smoothly but sometimes they stick a ...
Teaching Earth Dynamics: What`s Wrong with Plate Tectonics Theory
... similar in mass to Jupiter, roughly 300 Earth-masses. What would the Earth be like, surrounded by all that gaseous mass? Calculations show that it would be compressed to about 64% of its present diameter. Its surface area would be quite similar to the surface area presently occupied by the continent ...
... similar in mass to Jupiter, roughly 300 Earth-masses. What would the Earth be like, surrounded by all that gaseous mass? Calculations show that it would be compressed to about 64% of its present diameter. Its surface area would be quite similar to the surface area presently occupied by the continent ...
Earth`s Layers - Spaulding Middle School
... 1) What are the layers of the Earth? 2) The Earth’s crust is very ______. 3) What layer is the largest? 4) Is the Outer Core a liquid or a solid? ...
... 1) What are the layers of the Earth? 2) The Earth’s crust is very ______. 3) What layer is the largest? 4) Is the Outer Core a liquid or a solid? ...
B. The Mantle
... to 3.0 BYA there was not much free oxygen in the earth’s atmosphere, after 3.0 BYA there was. (BYA = Billion years ago…) 2. Oxygen is not given off in substantial amounts by volcanic activity today…so where did it come from? One source is photochemical dissociation. This occurs whenever oxygen-beari ...
... to 3.0 BYA there was not much free oxygen in the earth’s atmosphere, after 3.0 BYA there was. (BYA = Billion years ago…) 2. Oxygen is not given off in substantial amounts by volcanic activity today…so where did it come from? One source is photochemical dissociation. This occurs whenever oxygen-beari ...
Homework Problem Set, Chapters 5 and 6, Week 3
... 1. The total amount of carbon on the earth’s surface depends on a balance between the input of new carbon – from the CO2 derived from volcanism at mid-ocean ridge spreading centers, and the sink of carbon-rich sediments being carried back down into the earth’s mantle at subduction zones. Most variat ...
... 1. The total amount of carbon on the earth’s surface depends on a balance between the input of new carbon – from the CO2 derived from volcanism at mid-ocean ridge spreading centers, and the sink of carbon-rich sediments being carried back down into the earth’s mantle at subduction zones. Most variat ...
ear 203 earth system science
... 2. Identify anthropogenic greenhouse gases, their sources and their effects. 3. Explain fundamental components of the Earth system and their interactions. 4. Differentiate between global warming and the greenhouse effect. 5. Explain the relationship between surface temperature and atmospheric CO 2 c ...
... 2. Identify anthropogenic greenhouse gases, their sources and their effects. 3. Explain fundamental components of the Earth system and their interactions. 4. Differentiate between global warming and the greenhouse effect. 5. Explain the relationship between surface temperature and atmospheric CO 2 c ...
Biogeochemical Cycles - Cal State LA
... Second most abundant mineral in human body (surpassed only by Ca) This cycle has no atmospheric component (gaseous P3 is negligible) Restricted to solid and liquid phases (many mineral reactions) Unlike nitrogen, not really involved in microbial reactions Oxidation-reduction reactions play a minor r ...
... Second most abundant mineral in human body (surpassed only by Ca) This cycle has no atmospheric component (gaseous P3 is negligible) Restricted to solid and liquid phases (many mineral reactions) Unlike nitrogen, not really involved in microbial reactions Oxidation-reduction reactions play a minor r ...
Untitled
... 46. The term ‘Plate’ first used by Canadian geophysicist _______. A) Watson B) Haget C) G. taylor D) J.T. Wilson 47. The term ______ first used by Canadian geophysicist J.T. Wilson. A) Land B) Continent C) Plate D) Ocean 48. Vine & Mattheus conducted the magnetic survey of _______ ocean in 1963. A) ...
... 46. The term ‘Plate’ first used by Canadian geophysicist _______. A) Watson B) Haget C) G. taylor D) J.T. Wilson 47. The term ______ first used by Canadian geophysicist J.T. Wilson. A) Land B) Continent C) Plate D) Ocean 48. Vine & Mattheus conducted the magnetic survey of _______ ocean in 1963. A) ...
Earth Formation
... varies…6 km thick at mid-ocean ridges to greater than 100 km at subduction zones; for shorter or longer distances, the subduction zone thickness becomes smaller or larger, respectively. Typical continental lithosphere is typically 200 km thick, though this also varies considerably between basins, mo ...
... varies…6 km thick at mid-ocean ridges to greater than 100 km at subduction zones; for shorter or longer distances, the subduction zone thickness becomes smaller or larger, respectively. Typical continental lithosphere is typically 200 km thick, though this also varies considerably between basins, mo ...
23.2 The Terrestrial Planets
... extensive dust storms occur and may cause the color changes observed from Earth. Hurricane-force winds up to 270 kilometers per hour can persist for weeks. The composition of Mars’s atmosphere is similar to that of Venus. But Mars is very cold. Why doesn’t the greenhouse effect warm Mars’s atmospher ...
... extensive dust storms occur and may cause the color changes observed from Earth. Hurricane-force winds up to 270 kilometers per hour can persist for weeks. The composition of Mars’s atmosphere is similar to that of Venus. But Mars is very cold. Why doesn’t the greenhouse effect warm Mars’s atmospher ...
The Terrestrial Worlds
... – Then the interior cooled and the planet shrunk cracking the surface forming the scarps – This probably happened in the first 700 million years after Mercury formed © Sierra College Astronomy Department ...
... – Then the interior cooled and the planet shrunk cracking the surface forming the scarps – This probably happened in the first 700 million years after Mercury formed © Sierra College Astronomy Department ...
KS4 Earth and Atmosphere 4795KB
... ultraviolet rays from the sun. This will have allowed new organisms Harmful UV rays reach Earth’s surface to evolve and survive. without ozone layer 10 of 48 ...
... ultraviolet rays from the sun. This will have allowed new organisms Harmful UV rays reach Earth’s surface to evolve and survive. without ozone layer 10 of 48 ...
Earth: An Ever changing planet
... Achaean Eon 3.9-2.5 BYA • Earth has a crust & ocean • Life forms in the sea ...
... Achaean Eon 3.9-2.5 BYA • Earth has a crust & ocean • Life forms in the sea ...
document
... Earth’s history is divided into units of time that make up a geological time scale which is divided into four major subdivisions: Eons – longest subdivisions; based on abundance of fossils Eras – marked by significant worldwide changes in the types of fossils present in rock Periods – based on ...
... Earth’s history is divided into units of time that make up a geological time scale which is divided into four major subdivisions: Eons – longest subdivisions; based on abundance of fossils Eras – marked by significant worldwide changes in the types of fossils present in rock Periods – based on ...
Simple Impact Craters
... means that one cannot increase the density of craters because there are so many craters that, on average, any new crater that is formed by a meteor impact will obliterate a previous crater, leaving the total number unchanged. Some regions of the moon exhibit near maximal cratering density, indicatin ...
... means that one cannot increase the density of craters because there are so many craters that, on average, any new crater that is formed by a meteor impact will obliterate a previous crater, leaving the total number unchanged. Some regions of the moon exhibit near maximal cratering density, indicatin ...
earth layers and plates 2016
... continental crust is mostly granite. The oceanic crust is basalt. Basalt is much denser than the granite. Because of this the less dense continents ride on the denser oceanic plates. ...
... continental crust is mostly granite. The oceanic crust is basalt. Basalt is much denser than the granite. Because of this the less dense continents ride on the denser oceanic plates. ...
Grade 8
... C 18. Describe how folded and faulted rock layers provide evidence of the gradual up and down motion of the Earth’s crust. C 19. Explain how glaciation, weathering and erosion create and shape valleys and floodplains. C 19A. Describe how the effect of acid rain accelerates chemical weathering. C 19B ...
... C 18. Describe how folded and faulted rock layers provide evidence of the gradual up and down motion of the Earth’s crust. C 19. Explain how glaciation, weathering and erosion create and shape valleys and floodplains. C 19A. Describe how the effect of acid rain accelerates chemical weathering. C 19B ...
notes
... Petrified-minerals sometimes penetrate and replace the hard parts of an organism. Permineralized-void spaces in original organism infilled by minerals. At times, an entire organism was quickly trapped in ice or tree sap that hardened into amber. ...
... Petrified-minerals sometimes penetrate and replace the hard parts of an organism. Permineralized-void spaces in original organism infilled by minerals. At times, an entire organism was quickly trapped in ice or tree sap that hardened into amber. ...
Powerpoint
... around the Sun, (b) has sufficient mass for its selfgravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit. (2) A “dwarf planet” is a celestial body that (a) is in orbit around the Sun, (b) has s ...
... around the Sun, (b) has sufficient mass for its selfgravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit. (2) A “dwarf planet” is a celestial body that (a) is in orbit around the Sun, (b) has s ...
File
... LG # 8 Earthquakes, Volcanoes, and Mountains Building Board Builder LG # 8: I can connect major geological events to the movement of the tectonic plates. ...
... LG # 8 Earthquakes, Volcanoes, and Mountains Building Board Builder LG # 8: I can connect major geological events to the movement of the tectonic plates. ...
Ch. 10 Section 3 Power Point
... – EX: Geologic evidence shows that ice once covered most of Earth’s continental surfaces. As continents began to drift around the globe, however, global temperatures changed and much of the ice sheet melted. 2. As continents rift or as mountains form, populations of organisms are separated. When pop ...
... – EX: Geologic evidence shows that ice once covered most of Earth’s continental surfaces. As continents began to drift around the globe, however, global temperatures changed and much of the ice sheet melted. 2. As continents rift or as mountains form, populations of organisms are separated. When pop ...