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What is the total distance that the south atlantic basin has opened in the last 2 million years

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marks shown at every 10 million years to estimate the ocean crust age at 100 km increments out to 1200 km from the ridge, and record the results in Table 2. Then, take the square root of the age data and record the results in the last column. The first two age and square root of age data points, for 0 and 100 Detailed, high quality, marine total field magnetic data recently acquired over parts of the South Atlantic Ocean off the southwestern margin of South Africa display a pattern of well-defined, NW-SE striking linear magnetic anomalies that can be traced with confidence over distances >150 km. Jun 08, 2011 · Anonymous asked in Science & Mathematics Earth Sciences & Geology · 9 years ago What are the ages for the North and South Atlantic Ocean basins? What are the ages for the North and South Atlantic Ocean basins, in million years old.

ANALYZING DATA Analyzing Data How many kilometers have the left side of the North Atlantic basin spread in 2 million years? - 38.9 km 35 mm/40mm = 34 mm/x - 80 km How may kilometers has the left side of the Pacific basin spread in 2 million years? CALCULATING 35 mmx = 1360 mm km In their wake, the Atlantic Basin opened, leaving behind a great ocean that would one day divide the Old World from the New. The geological similarities between the South American and African coasts are not lost on modern-day energy companies, which recently began drilling offshore wells to test what is known as the Atlantic Mirror Theory. You should be able to recognize a separation between your two points back to about 80 to 120 million years ago. As a challenge, calculate the approximate average speed (say in km/million years) for the opening of the Atlantic inferred from your graph. The Atlantic began to form during the Jurassic period, about 150 million years ago, when a rift opened up in the supercontinent of Gondwana, resulting in the separation of South America and Africa. * The separation continues today at a rate of approximately 2.5 centimeters (approximately 1 inch) a year along the Mid-Atlantic Ridge.

3) are for only one side of the ridge. Assuming that a ridge spreads equally on both sides, the actual distance each ocean basin has opened would be twice this amount. How many kilometers has each ocean basin opened in the past 2 million years? South Atlantic basin = _____km, North Atlantic basin = _____ km, and Pacific basin = _____ km Atlantic Basin synonyms, Atlantic Basin pronunciation, Atlantic Basin translation, English dictionary definition of Atlantic Basin. The world's second-largest ocean, divided into the North Atlantic and the South Atlantic.
Part A – Ocean Basin Topography Understanding the topography of the ocean basins has been critical to developing the theory of plate tectonics. In the mid-20th century oceanographic research vessels mapped the sea floor and by the 1960s research concerning rock magnetism, the cause and distribution of

For each of the three ocean basins, use the distance scale to determine, to the nearest 50 kilometers, the total distance from the spreading center to the sea floor that is 75 million years old. Use your answers to Question 5 to determine which ocean basin has the slowest average spreading rate. Which basin has the fastest? Data Detectives: Dynamic Earth Unit 2 – Exploring Plate Tectonics Investigation 2.2 Investigating seafloor age In this activity, you will investigate evidence that tectonic plates change in size, shape, and location over time. This evidence suggests that plate tectonics has occurred for hundreds of millions of years.

1. Using the distance scale in Figure 2 which ocean basin has undergone the greatest amount of spreading in the last 50 million year, the Pacific or the Atlantic? __PACIFIC_____ 2. How far in kilometers has the left side of the South Atlantic Ocean basin spread in 50 million years? ____920 _____ km 3.

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For each of the three ocean basins, use the distance scale to determine, to the nearest 50 kilometers, the total distance from the spreading center to the sea floor that is 75 million years old. Use your answers to Question 5 to determine which ocean basin has the slowest average spreading rate. Which basin has the fastest? For example underneath the Argentine Basin in the southwest South Atlantic, a well‐known negative residual depth anomaly usually attributed to asthenospheric flow [Hohertz and Carlson, 1998; Phipps Morgan and Smith, 1992], the negatively buoyant slab material sinking underneath the region causes a downward flow rate of over 2 cm/a at both 410 ... Use Figures 1 and 2 to complete the following. The distances you obtained in Question 1 are for only one side of the ridge. Assuming that a ridge spreads equally on both sides, the actual distance each ocean basin has opened would be twice this amount.

For example underneath the Argentine Basin in the southwest South Atlantic, a well‐known negative residual depth anomaly usually attributed to asthenospheric flow [Hohertz and Carlson, 1998; Phipps Morgan and Smith, 1992], the negatively buoyant slab material sinking underneath the region causes a downward flow rate of over 2 cm/a at both 410 ... Part A – Ocean Basin Topography Understanding the topography of the ocean basins has been critical to developing the theory of plate tectonics. In the mid-20th century oceanographic research vessels mapped the sea floor and by the 1960s research concerning rock magnetism, the cause and distribution of For each of the three ocean basins, use the distance scale to determine, to the nearest 50 kilometers, the total distance from the spreading center to the sea floor that is 75 million years old. Use your answers to Question 5 to determine which ocean basin has the slowest average spreading rate. Which basin has the fastest?

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determine to the nearest 100 kilometers, the total distance from the spreading center to the seafloor that is 75 million years old (the oldest dates you have colored) for the a. South Atlantic. b. North Pacific. c. Pacific Antarctic. 5. According to your results in question 5, for which ocean basin has the overall spreading rate been the slowest?

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Ocean basin, any of several vast submarine regions that collectively cover nearly three-quarters of Earth’s surface. Together they contain the overwhelming majority of all water on the planet and have an average depth of almost 4 km (about 2.5 miles). A number of major features of the basins depart Well, mm/yr=km/Ma, so the rate is 142 mm/yr, so that is 142*2=284 km in 2 million years. determine to the nearest 100 kilometers, the total distance from the spreading center to the seafloor that is 75 million years old (the oldest dates you have colored) for the a. South Atlantic. b. North Pacific. c. Pacific Antarctic. 5. According to your results in question 5, for which ocean basin has the overall spreading rate been the slowest?

The Santos Basin is one of the widest basins in the South Atlantic, characterized by a very broad zone of stretched and thinned continental crust. Success in the Santos has been focused around a large, broad topographical feature called the ‘Outer High’ (Gomes et al., 2009).  

Part A – Ocean Basin Topography Understanding the topography of the ocean basins has been critical to developing the theory of plate tectonics. In the mid-20th century oceanographic research vessels mapped the sea floor and by the 1960s research concerning rock magnetism, the cause and distribution of

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Data Detectives: Dynamic Earth Unit 2 – Exploring Plate Tectonics Investigation 2.2 Investigating seafloor age In this activity, you will investigate evidence that tectonic plates change in size, shape, and location over time. This evidence suggests that plate tectonics has occurred for hundreds of millions of years. Data Detectives: Dynamic Earth Unit 2 – Exploring Plate Tectonics Investigation 2.2 Investigating seafloor age In this activity, you will investigate evidence that tectonic plates change in size, shape, and location over time. This evidence suggests that plate tectonics has occurred for hundreds of millions of years. S-Z = Northernmost Atlantic Ocean, between Greenland and Scandinavia Please calculate the rate of opening in your ocean basin as follows (note that cm = centimeters, my = millions of years, km = kilometers, yr = years): • Use the map scale (1 cm = 389 km) to get the distance between continental regions that were originally together. By three million years ago, the continents of North America and South America were linked by the Isthmus of Panama, thereby forming the single landmass of the Americas. The Great American Interchange resulted in many species being spread across the Americas, such as the cougar , porcupine , opossums , armadillos and hummingbirds .

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Ocean basin, any of several vast submarine regions that collectively cover nearly three-quarters of Earth’s surface. Together they contain the overwhelming majority of all water on the planet and have an average depth of almost 4 km (about 2.5 miles). A number of major features of the basins depart
1. Using the distance scale in Figure 2 which ocean basin has undergone the greatest amount of spreading in the last 50 million year, the Pacific or the Atlantic? __PACIFIC_____ 2. How far in kilometers has the left side of the South Atlantic Ocean basin spread in 50 million years? ____920 _____ km 3.

In Figure 13.1, use the distance scale for each of the three ocean basins (they are all different scales) to determine to the nearest 100 kilometers, the total distance from the spreading center to the seafloor that is 75 million years old (the oldest dates you have colored) for the South Atlantic. North Pacific. Pacific Antarctic. 2 million years ago 20 40 km 50 Using the distance scale shown with the ocean floor diagrams, determine which ocean basin has spread the greatest distance during the last 2 million years. 6. Refer to the distance scale. Notice that the left side of the South Atlantic basin has spread approximately 39 kilometers from the

In their wake, the Atlantic Basin opened, leaving behind a great ocean that would one day divide the Old World from the New. The geological similarities between the South American and African coasts are not lost on modern-day energy companies, which recently began drilling offshore wells to test what is known as the Atlantic Mirror Theory. The MAR rises 2–3 km (1.2–1.9 mi) above the surrounding ocean floor and its rift valley is the divergent boundary between the North American and Eurasian plates in the North Atlantic and the South American and African plates in the South Atlantic. S-Z = Northernmost Atlantic Ocean, between Greenland and Scandinavia Please calculate the rate of opening in your ocean basin as follows (note that cm = centimeters, my = millions of years, km = kilometers, yr = years): • Use the map scale (1 cm = 389 km) to get the distance between continental regions that were originally together. Sep 23, 2013 · So that was the Atlantic Ocean for thirty or forty million years — but then it jumped again, this time over between Greenland and what is now the west coast of Europe. It started opening up over ...

In their wake, the Atlantic Basin opened, leaving behind a great ocean that would one day divide the Old World from the New. The geological similarities between the South American and African coasts are not lost on modern-day energy companies, which recently began drilling offshore wells to test what is known as the Atlantic Mirror Theory. Atlantic Basin synonyms, Atlantic Basin pronunciation, Atlantic Basin translation, English dictionary definition of Atlantic Basin. The world's second-largest ocean, divided into the North Atlantic and the South Atlantic. S-Z = Northernmost Atlantic Ocean, between Greenland and Scandinavia Please calculate the rate of opening in your ocean basin as follows (note that cm = centimeters, my = millions of years, km = kilometers, yr = years): • Use the map scale (1 cm = 389 km) to get the distance between continental regions that were originally together. The Santos Basin is one of the widest basins in the South Atlantic, characterized by a very broad zone of stretched and thinned continental crust. Success in the Santos has been focused around a large, broad topographical feature called the ‘Outer High’ (Gomes et al., 2009).

In their wake, the Atlantic Basin opened, leaving behind a great ocean that would one day divide the Old World from the New. The geological similarities between the South American and African coasts are not lost on modern-day energy companies, which recently began drilling offshore wells to test what is known as the Atlantic Mirror Theory.

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Baba yaga house 5e3) are for only one side of the ridge. Assuming that a ridge spreads equally on both sides, the actual distance each ocean basin has opened would be twice this amount. How many kilometers has each ocean basin opened in the past 2 million years? South Atlantic basin = _____km, North Atlantic basin = _____ km, and Pacific basin = _____ km The Atlantic Basin, on the other hand, which has a spreading ridge right down its middle, and has only insignificant subduction along its margin (beneath Caribbean plate), is still getting wider. Rate! well, mm/yr=km/Ma, so the rate is 142 mm/yr, so that is 142*2=284 km in 2 million years. There is less ambiguity about the southern boundaries of the Atlantic Ocean, although the name Southern Ocean has been given to the waters surrounding Antarctica. The most widely accepted limit between the South Atlantic and Indian oceans is a line that runs south from Cape Agulhas, at the southern tip of Africa, along the 20° E meridian to Antarctica. Using the distance scale shown with the ocean floor diagrams, determine which ocean basin has spread the greatest distance during the last 2 million years. 6. Refer to the distance scale. Notice that the left side of the South Atlantic basin has spread approximately 39 kilometers from the center of the ridge crest in 2 million years. Analyze ...

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Data Detectives: Dynamic Earth Unit 2 – Exploring Plate Tectonics Investigation 2.2 Investigating seafloor age In this activity, you will investigate evidence that tectonic plates change in size, shape, and location over time. This evidence suggests that plate tectonics has occurred for hundreds of millions of years.

Jun 08, 2011 · Anonymous asked in Science & Mathematics Earth Sciences & Geology · 9 years ago What are the ages for the North and South Atlantic Ocean basins? What are the ages for the North and South Atlantic Ocean basins, in million years old. Using the South Atlantic as an example, label the beginning of the normal polarity period c, “2 million years ago,” on the left sides of the Pacific and North Atlantic diagrams. Using the distance scale shown with the ocean floor diagrams, determine which ocean basin has spread the greatest distance during the last 2 million years. Detailed, high quality, marine total field magnetic data recently acquired over parts of the South Atlantic Ocean off the southwestern margin of South Africa display a pattern of well-defined, NW-SE striking linear magnetic anomalies that can be traced with confidence over distances >150 km.

The Atlantic Ocean plays an important role in the military plans of NATO. During World War II, the USA acquired or strengthened its control over approximately 70 million sq km of the Atlantic Ocean area; in this basin, it created a ramified system of naval and air force bases and then rocket and nuclear bases as well.

1. For the North Atlantic Ocean (using the map in the lab) Measure the distance between the center of the spreading center (red) and the border between dark yellow and light green (65 Ma point) I measured 2 cm ; Since the scale on the map is 1 cm = 475 km, calculate the real distance that the plate has moved over the past 65 Ma determine to the nearest 100 kilometers, the total distance from the spreading center to the seafloor that is 75 million years old (the oldest dates you have colored) for the a. South Atlantic. b. North Pacific. c. Pacific Antarctic. 5. According to your results in question 5, for which ocean basin has the overall spreading rate been the slowest?