Earth is made of materials with different DENSITIES The 4 layers of
... 7. Magma rising through cracked, thinned crust forms VOLCANOES. If the RIFT VALLEY continues to widen, the thinned valley floor sinks BELOW SEA LEVEL & water from nearby oceans or rivers may fill the valley and form a LAKE or SEAS. 8. A HOT SPOT can provide a fixed point for measuring the speed & di ...
... 7. Magma rising through cracked, thinned crust forms VOLCANOES. If the RIFT VALLEY continues to widen, the thinned valley floor sinks BELOW SEA LEVEL & water from nearby oceans or rivers may fill the valley and form a LAKE or SEAS. 8. A HOT SPOT can provide a fixed point for measuring the speed & di ...
Plate Tectonics Lecture Notes Page
... •Many shallow earthquakes (San Andreas Fault) •Separates Pacific & North American Plates Paleomagnetism Confirms Plate Tectonics•Magnetite: Iron bearing, magnetic mineral present in magma •When magma erupts at ridges,magnetite solidifies in cooled rock•Spreading centers symmetrical magnetic bands ...
... •Many shallow earthquakes (San Andreas Fault) •Separates Pacific & North American Plates Paleomagnetism Confirms Plate Tectonics•Magnetite: Iron bearing, magnetic mineral present in magma •When magma erupts at ridges,magnetite solidifies in cooled rock•Spreading centers symmetrical magnetic bands ...
Chapter 5 Notes: Plate Tectonics Earth’s Interior Direct
... These rocks only form when molten material cools quickly o Magnetic strips The earth’s magnetic poles have reversed many times Evidence in the rocks on the ocean floor o Drilling Samples The samples far from the ridge are older The “youngest” rocks near the center of the ridge ...
... These rocks only form when molten material cools quickly o Magnetic strips The earth’s magnetic poles have reversed many times Evidence in the rocks on the ocean floor o Drilling Samples The samples far from the ridge are older The “youngest” rocks near the center of the ridge ...
Powerpoint Presentation Physical Geology, 10th ed.
... – Complex life forms first became abundant about 544 million years ago – Reptiles became abundant ~230 million years ago – Dinosaurs became extinct (along with many other organisms) ~65 million years ago – Humans have been around for a few million years ...
... – Complex life forms first became abundant about 544 million years ago – Reptiles became abundant ~230 million years ago – Dinosaurs became extinct (along with many other organisms) ~65 million years ago – Humans have been around for a few million years ...
Sendai Earthquake
... Earthquake (red beach ball) with respect to the NSF-supported EarthScope USArray Transportable Array (390 stations, orange region in central USA). ...
... Earthquake (red beach ball) with respect to the NSF-supported EarthScope USArray Transportable Array (390 stations, orange region in central USA). ...
Sendai Earthquake
... Earthquake (red beach ball) with respect to the NSF-supported EarthScope USArray Transportable Array (390 stations, orange region in central USA). ...
... Earthquake (red beach ball) with respect to the NSF-supported EarthScope USArray Transportable Array (390 stations, orange region in central USA). ...
Structures and deformations correlated to the activation of a
... and crystallographic preferred orientation (CPO) of minerals (quartz, feldspaths, biotite, amphibole and orthopyroxene) of the MSZ indicate similar characteristics that can be interpreted in terms of conditions, cinem ...
... and crystallographic preferred orientation (CPO) of minerals (quartz, feldspaths, biotite, amphibole and orthopyroxene) of the MSZ indicate similar characteristics that can be interpreted in terms of conditions, cinem ...
Vocabulary Quiz #26 4/4/11- 4/8/11
... Vocabulary Quiz #26 4/4/11- 4/8/11 1. continental drift- the hypothesis that the continents slowly move across Earth’s surface. 2. convection currents- the movement of a fluid, caused by differences in temperature, that transfers thermal energy from one place to another. 3. mid-ocean ridge- the unde ...
... Vocabulary Quiz #26 4/4/11- 4/8/11 1. continental drift- the hypothesis that the continents slowly move across Earth’s surface. 2. convection currents- the movement of a fluid, caused by differences in temperature, that transfers thermal energy from one place to another. 3. mid-ocean ridge- the unde ...
Lesson 11 - Subduction Boundary Volcanism
... and divergent boundaries. Very little volcanic activity is seen at transform fault boundaries. Volcanism associated with plate tectonic activity are found in three areas on Earth; 1) Ridges (or spreading centers) Reference: 2) Subduction zones 3) Interior of tectonic plates. ...
... and divergent boundaries. Very little volcanic activity is seen at transform fault boundaries. Volcanism associated with plate tectonic activity are found in three areas on Earth; 1) Ridges (or spreading centers) Reference: 2) Subduction zones 3) Interior of tectonic plates. ...
requirements necessary to obtain an Oceanography Merit Badge
... differences in evaporation and precipitation affect the salt content of the oceans. 6. Describe some of the biologically important properties of seawater. Define benthos, nekton, and plankton. Name some of the plants and animals that make up each of these groups. Describe the place and importance of ...
... differences in evaporation and precipitation affect the salt content of the oceans. 6. Describe some of the biologically important properties of seawater. Define benthos, nekton, and plankton. Name some of the plants and animals that make up each of these groups. Describe the place and importance of ...
2.4 Plate Tectonics - Northside Middle School
... a. Both plates have the same high density rock. ...
... a. Both plates have the same high density rock. ...
Marine Geology
... magine the ocean basins drained of all their water. What would the bottom topography look like? Were mountain ranges and carved canyons hidden beneath the dark waters? How old are the rocks and sediments on the ocean floors? Geologists in the early nineteenth century speculated that the ocean floors ...
... magine the ocean basins drained of all their water. What would the bottom topography look like? Were mountain ranges and carved canyons hidden beneath the dark waters? How old are the rocks and sediments on the ocean floors? Geologists in the early nineteenth century speculated that the ocean floors ...
PRACTICE Test: Earth Science INSTRUCTIONS - Ms
... c. The number of electrons d. The number of protons and neutrons 18. Which of the following choices represents an isotope? a. H2 ...
... c. The number of electrons d. The number of protons and neutrons 18. Which of the following choices represents an isotope? a. H2 ...
Theory of Plate Tectonics
... floor sinks beneath a deepocean trench and back into the mantle; allows part of the ocean floor to sink back into the mantle ...
... floor sinks beneath a deepocean trench and back into the mantle; allows part of the ocean floor to sink back into the mantle ...
An East African desert will one day become an ocean
... A giant system of faults, or cracks, Scientists think the eastern part more than 6,400 kilometers (4,000 of the African plate is sitting above miles) long is breaking the slab apart. a particularly fiery spot in Earth’s Eventually, a piece of East Africa mantle, or the layer of hot, solid will rip o ...
... A giant system of faults, or cracks, Scientists think the eastern part more than 6,400 kilometers (4,000 of the African plate is sitting above miles) long is breaking the slab apart. a particularly fiery spot in Earth’s Eventually, a piece of East Africa mantle, or the layer of hot, solid will rip o ...
PowerPoint for Review
... waves can deposit sand along the shore and form a beach. If the waves reach the beach at an angle, the sand is moved along the coast. ...
... waves can deposit sand along the shore and form a beach. If the waves reach the beach at an angle, the sand is moved along the coast. ...
Neritic Zone
... • In the Neritic Zone, upwelling currents bring nutrients from the bottom to the surface. – These nutrients support plankton (the base of food webs) – Major fisheries in upwelling areas include: • Monterey Canyon (off the California coast) • Newfoundland’s Grand Banks • Georges Ban (off the New Engl ...
... • In the Neritic Zone, upwelling currents bring nutrients from the bottom to the surface. – These nutrients support plankton (the base of food webs) – Major fisheries in upwelling areas include: • Monterey Canyon (off the California coast) • Newfoundland’s Grand Banks • Georges Ban (off the New Engl ...
Fourth lecture - 16 September, 2015
... continents were not only moving, but actually plowing through the sea floor. The leading physicists of his day, however, were able to show that this was physically not possible. The proposed mechanism was thus discredited, so the entire hypothesis was set aside (by most!) as yet more wishful thinkin ...
... continents were not only moving, but actually plowing through the sea floor. The leading physicists of his day, however, were able to show that this was physically not possible. The proposed mechanism was thus discredited, so the entire hypothesis was set aside (by most!) as yet more wishful thinkin ...
Plate Tectonic Vocabulary
... -Boundary along which two tectonic plates move toward each other -Characterized by subduction or continental collision -Crust is usually destroyed ...
... -Boundary along which two tectonic plates move toward each other -Characterized by subduction or continental collision -Crust is usually destroyed ...
Wegener—Continental Drift
... can explain why crops fail. B. All volcanoes are destructive and have negative effects worldwide. C. The causes of volcanic eruptions describe why climates will change around the volcano. D. Studying the effects of volcanic eruptions can help scientists determine their impact on human life. ...
... can explain why crops fail. B. All volcanoes are destructive and have negative effects worldwide. C. The causes of volcanic eruptions describe why climates will change around the volcano. D. Studying the effects of volcanic eruptions can help scientists determine their impact on human life. ...
The Ocean Floor - isd194 cms .demo. ties .k12. mn .us
... • Minerals are continually added to water by above Why aren’t oceans getting saltier? Or are they? Lets talk about this. The Answer ...
... • Minerals are continually added to water by above Why aren’t oceans getting saltier? Or are they? Lets talk about this. The Answer ...