The document contains a chapter exam for a solid earth geophysics course. It asks 11 multiple choice or short answer questions about topics relating to oceanic lithosphere formation at mid-ocean ridges, transforms faults, trenches, and oceanic islands, including the deepest parts of the oceans, why the oldest ocean floor is only 200 million years old, typical water depths above seafloor of different ages, the relationships between various mid-ocean ridge systems, differences between continental margins on the east and west coasts of North and South America, locations of ophiolite belts, why earthquakes occur at mid-ocean ridges but not below 700km depth, calculating ages and spreading rates at the Mid-Atlantic Ridge, and estimating maximum se
Earth and Life Science
Earth Materials and Processes: Deformation of the Crust
The learners shall be able to:
1) explain how the seafloor spreads (S11/12ESId-23);
2) describe the structure and evolution of ocean basins (S11/12ES-Id-24); and
3) explain how the movement of plates leads to the formation of folds and faults (S11/12ES-Id-22).
Specific Learning Outcomes
At the end of the lesson, the learners will be able to:
1. Discuss the history behind the Theory of Continental Drift;
2. Describe the Continental Drift Theory;
3. Enumerate and explain the evidence used to support the idea of drifting continents;
4. Identify major physiographic features of ocean basins
5. Describe the process of seafloor spreading
Earth and Life Science
Earth Materials and Processes
Deformation of the Crust: Continental Drift Theory
Learning Competencies
The learners shall be able to explain how the continents drift (S11/12ESId-20), and cite evidence that support continental drift (S11/12ES-Id-21).
Specific Learning Outcomes
At the end of the lesson, the learners will be able to:
1. Discuss the history behind the Theory of Continental Drift;
2. Describe the Continental Drift Theory; and
3. Enumerate and explain the evidence used to support the idea of drifting continents.
Scientists found a system of ridges or mountains in the seafloor similar to those found in the continents.These are called mid-ocean ridges. One of these is the famous Mid-Atlantic Ridge, an undersea mountain chain in the Atlantic Ocean.
It has a gigantic cleft about 32-48 km long and 1.6 km deep. The ridge is offset by fracture zones or rift valleys.
In the early 1960’s, scientist Harry Hess, together with Robert Dietz, suggested an explanation to the continental drift. This is the Seafloor Spreading Theory.In the early 1960’s, scientist Harry Hess, together with Robert Dietz, suggested an explanation to the continental drift. This is the Seafloor Spreading Theory. This material flows sideways carrying the seafloor away from the ridge, and creates a crack in the crust. The magma flows out of the crack, cools down and becomes the new seafloor.
Overtime, the new oceanic crust pushed the old oceanic crust far from the ridge. The process of seafloor spreading allowed the creation of new bodies of water. For example, the Red Sea was created as the African plate and the Arabian plate moved away from each other. Seafloor spreading is also pulling the continents of Australia, South America, and Antarctica away from each other in the East Pacific Rise. The East Pacific Rise is one of the most active sites of seafloor spreading, with more than 14 centimeters every year.
Findings that support Seafloor Spreading Theory:
1. Rocks are younger at the mid-ocean ridge.
2. Rocks far from the mid-ocean ridge are older.
3. Sediments are thinner at the ridge.
4. Rocks at the ocean floor are younger than those at the continents.
The surface of Pluto is more geologically diverse and dynamic than had been expected,
but the role of its tenuous atmosphere in shaping the landscape remains unclear. We
describe observations from the New Horizons spacecraft of regularly spaced, linear ridges
whose morphology, distribution, and orientation are consistent with being transverse
dunes. These are located close to mountainous regions and are orthogonal to nearby wind
streaks. We demonstrate that the wavelength of the dunes (~0.4 to 1 kilometer) is best
explained by the deposition of sand-sized (~200 to ~300 micrometer) particles of methane
ice in moderate winds (<10 meters per second). The undisturbed morphology of the dunes,
and relationships with the underlying convective glacial ice, imply that the dunes have
formed in the very recent geological past.
Earth and Life Science
Earth Materials and Processes: Deformation of the Crust
The learners shall be able to:
1) explain how the seafloor spreads (S11/12ESId-23);
2) describe the structure and evolution of ocean basins (S11/12ES-Id-24); and
3) explain how the movement of plates leads to the formation of folds and faults (S11/12ES-Id-22).
Specific Learning Outcomes
At the end of the lesson, the learners will be able to:
1. Discuss the history behind the Theory of Continental Drift;
2. Describe the Continental Drift Theory;
3. Enumerate and explain the evidence used to support the idea of drifting continents;
4. Identify major physiographic features of ocean basins
5. Describe the process of seafloor spreading
Earth and Life Science
Earth Materials and Processes
Deformation of the Crust: Continental Drift Theory
Learning Competencies
The learners shall be able to explain how the continents drift (S11/12ESId-20), and cite evidence that support continental drift (S11/12ES-Id-21).
Specific Learning Outcomes
At the end of the lesson, the learners will be able to:
1. Discuss the history behind the Theory of Continental Drift;
2. Describe the Continental Drift Theory; and
3. Enumerate and explain the evidence used to support the idea of drifting continents.
Scientists found a system of ridges or mountains in the seafloor similar to those found in the continents.These are called mid-ocean ridges. One of these is the famous Mid-Atlantic Ridge, an undersea mountain chain in the Atlantic Ocean.
It has a gigantic cleft about 32-48 km long and 1.6 km deep. The ridge is offset by fracture zones or rift valleys.
In the early 1960’s, scientist Harry Hess, together with Robert Dietz, suggested an explanation to the continental drift. This is the Seafloor Spreading Theory.In the early 1960’s, scientist Harry Hess, together with Robert Dietz, suggested an explanation to the continental drift. This is the Seafloor Spreading Theory. This material flows sideways carrying the seafloor away from the ridge, and creates a crack in the crust. The magma flows out of the crack, cools down and becomes the new seafloor.
Overtime, the new oceanic crust pushed the old oceanic crust far from the ridge. The process of seafloor spreading allowed the creation of new bodies of water. For example, the Red Sea was created as the African plate and the Arabian plate moved away from each other. Seafloor spreading is also pulling the continents of Australia, South America, and Antarctica away from each other in the East Pacific Rise. The East Pacific Rise is one of the most active sites of seafloor spreading, with more than 14 centimeters every year.
Findings that support Seafloor Spreading Theory:
1. Rocks are younger at the mid-ocean ridge.
2. Rocks far from the mid-ocean ridge are older.
3. Sediments are thinner at the ridge.
4. Rocks at the ocean floor are younger than those at the continents.
The surface of Pluto is more geologically diverse and dynamic than had been expected,
but the role of its tenuous atmosphere in shaping the landscape remains unclear. We
describe observations from the New Horizons spacecraft of regularly spaced, linear ridges
whose morphology, distribution, and orientation are consistent with being transverse
dunes. These are located close to mountainous regions and are orthogonal to nearby wind
streaks. We demonstrate that the wavelength of the dunes (~0.4 to 1 kilometer) is best
explained by the deposition of sand-sized (~200 to ~300 micrometer) particles of methane
ice in moderate winds (<10 meters per second). The undisturbed morphology of the dunes,
and relationships with the underlying convective glacial ice, imply that the dunes have
formed in the very recent geological past.
Here is an easy to read information about our Oceans and what controls them and how mankind affects it. It includes visuals to help understand the different processes that make the motion. This includes currents, garbage patch, El Nino, ocean features and human impact. This was a school report so includes some other materials.
1.)Explain how a forest fire could lead to mass wasting.2.)Dis.docxhacksoni
1.)
Explain how a forest fire could lead to mass wasting.
2.)D
iscuss the three different paths that water could take once it falls in the form of precipitation.
3.)
Why is wind erosion more effective in deserts than in more humid regions?
4.)
Briefly describe the formation of a natural levee.
5.)
When examining the geology of a region for potential useable aquifers, what characteristics, or factors would you consider? Discuss at least three environmental concerns related to groundwater.
6.)
Briefly describe what happens at a
subduction
zone
7.)
Explain how an
accretionary
wedge forms.
8.)
What is a hot spot? Explain how this forms a volcanic island chain such as that of the Hawaiian Islands.
9.)
The Ural Mountains are about the same age as the Appalachian mountains of eastern North America. How does the theory of plate tectonics explain the existence of this mountain belt in the interior of an expansive continental landmass? Compare and contrast the formation of the Ural and Appalachian mountains, given their similar age.
...
The presentation aiding the lecture Structure of Earth and its Composition for the course CE 8392 Engineering Geology handled by Prof. Rathnavel Pon for Akshaya College of Engineering and Technology, Coimbatore
IBM and GE are both in the market for approximately $10 million of.docxwilcockiris
IBM and GE are both in the market for approximately $10 million of debt for a five year-period. GE has an AA credit rating while IBM has a single A rating. GE has access to both fixed and floating interest rate debt at attractive rates. However, GE would prefer to borrow at floating rates. Although IBM can borrow at both interest rates, the fixed rate debt is considered expensive. IBM would prefer to borrow at fixed rates. The information about the two firms is summarized as follows:
GE IBM
Credit Rating AAA A
Floating Rates LIBOR + ¼% LIBOR + ¾%
Fixed Rates 9% 10%
Preference Floating Fixed
Please answer the following questions:
1. In what type of borrowing does IBM have the comparative advantage? Why?
2. In what type of borrowing does GE have the comparative advantage? Why?
3. If a swap were arranged, what is the maximum savings that could be divided between the two parties?
4. Please arrange such a swap so that the total saving is divided evenly between the two parties. No financial institution is needed. Please use arrows and boxes to illustrate the deal.
Written Assignment – Evolution of North America
Write a one page summary of the tectonic evolution of the region of the North American continent in which you live. Refer to your assigned reading.
Discussion – Future Accretion
Where are today's exotic terranes? What is their fate? Once East Africa has rifted from the African Plate, is it destined to become an accreted terrane? Will it become a new continent? Discuss these issues, based on this week's reading.
Chapter 2 – Reading
2.1 From Continental Drift to Plate Tectonics Summarize the view that most geologists held prior to the 1960s regarding the geographic positions of the ocean basins and continents. Prior to the late 1960s most geologists held the view that the ocean basins and continents had fixed geographic positions and were of great antiquity.
Scientists came to realize that Earth’s continents are not static; instead, they gradually migrate across the globe. These movements cause blocks of continental material to collide, deforming the intervening crust and thereby creating Earth’s great mountain chains (Figure 2.1).
Furthermore, landmasses occasionally split apart. As continental blocks separate, a new ocean basin emerges between them. Meanwhile, other portions of the seafloor plunge into the mantle. In short, a dramatically different model of Earth’s tectonic processes emerged. Tectonic processes def
This profound reversal in scientific thought has been appropriately called a scientific revolution. The revolution began early in the twentieth century as a relatively straightforward proposal termed continental drift. For more than 50 years, the scientific community categorically rejected the idea that continents are capable of
Figure 2.1
The Himalayan mountains where created when the subcontinent of India collided with southeastern Asia. (Photo by Hartmut Postges/Robert Harding) mo.
This pdf covers theory of continental drift and plate tectonics.
Continental drift
Plate Tectonics
Mantle Convection
Convection currects
Types of Mantle convection
Drivers of the plate motion.
Bibliography_ Lutgens, Tarbuk and Tasa Publisher: Prentice Hall
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We believe integration and automation are essential to user experience and the promise of efficient work through technology. Automation is the critical ingredient to realizing that full vision. We develop integration products and services for Bonterra Case Management software to support the deployment of automations for a variety of use cases.
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Welcome to UiPath Test Automation using UiPath Test Suite series part 4. In this session, we will cover Test Manager overview along with SAP heatmap.
The UiPath Test Manager overview with SAP heatmap webinar offers a concise yet comprehensive exploration of the role of a Test Manager within SAP environments, coupled with the utilization of heatmaps for effective testing strategies.
Participants will gain insights into the responsibilities, challenges, and best practices associated with test management in SAP projects. Additionally, the webinar delves into the significance of heatmaps as a visual aid for identifying testing priorities, areas of risk, and resource allocation within SAP landscapes. Through this session, attendees can expect to enhance their understanding of test management principles while learning practical approaches to optimize testing processes in SAP environments using heatmap visualization techniques
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1. Insights into SAP testing best practices
2. Heatmap utilization for testing
3. Optimization of testing processes
4. Demo
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Execution from the test manager
Orchestrator execution result
Defect reporting
SAP heatmap example with demo
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Key Trends Shaping the Future of Infrastructure.pdfCheryl Hung
Keynote at DIGIT West Expo, Glasgow on 29 May 2024.
Cheryl Hung, ochery.com
Sr Director, Infrastructure Ecosystem, Arm.
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GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using Deplo...James Anderson
Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM
The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
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Speakers:
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Geop503+Chapter+9+Exam+Questions1[1]
1. GEOP503 Solid-Earth Geophysics
Chapter Exam Chapter 9; Oceanic Lithosphere: ridges, transforms,
trenches and oceanic islands
March 21, 2008
1. Where is the deepest known spot
in the world oceans found? How
deep is it?
2. The Earth is about 4.6 billion years
old. Referring to Plate 2 at your
text book (Fowler, 2005), why do
you think that the oldest ocean
floor is only about 200 million
years old?
3. What is the water depth above 16
myr old ocean floor?
4. Look carefully at Plate 8 at your
text book (Fowler, 2005), describe
the physical relationship between
the Mid-Atlantic Ridge, the Mid-
Indian Ocean Ridge, the Pacific
Antarctic Ridge, and Eastern Pacific
Ridge. What do they have in
common?
5. Look carefully at Plate 8 in your
textbook (Fowler,2005). Compare
and contrast the type of
continental margin found along the
west coast of North America,
versus the type of continental
margin found along the east coast
of North America. Explain your
reasoning.
6. Referring to Figure 9.8 at your
textbook (Fowler,2005)., how do
2. you explain your reasoning for
principal ophiolite belts of the
world?
7. Referring to Plate 19 at your text
book (Fowler, 2005), why do
earthquakes occur at the axis of
mid-ocean ridges?
8. Referring to Plate 25 at your text
book (Fowler, 2005), why don't
earthquakes occur at depths
greater than 700 km? Explain your
reasoning.
Similar Question which may be
asked for FINAL
9. The ocean depth at a distance of
1600 km from the Mid-Atlantic
Ridge is 4700 m. (a) Calculate: (i)
the age of the crust at this location
(ii) the mean spreading rate
represented by this age. (b) Is this
a half or a full spreading rate?
10. The width of ocean floor between
the spreading ridge in the South
Atlantic Ocean at 30°S and the
edge of the continental shelves
along the east coast of South
America and the west coast of
southern Africa at 3°S is
approximately 3100 and 2700 km
respectively. Assuming that the
spreading rate on this segment of
the ridge is 38 mm y−1, estimate
3. the maximum age of the sea floor
on either side of the South
Atlantic.
11.