crater in the greater Atlantic Ocean basin, somewhere between Greenland and Antarctica (see map). How do you estimate their chances for success, and why? Moderate, given enough time - the technology for sea-floor imaging is very good Poor - plate movements at the spreading centers and transform boundaries along the mid-Atlantic Ridge would have disrupted the original circular shape of the crater None - all the seafloor in the Atlantic is too young relative to the supposed impact

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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Map color
North
America
Age 0 20
40
South
America
60
Antarctica
Europe
Africa
80 100 120 140 160 180 200 220 240
Asia
260
Austr
280 Ma
You're reviewing the grant proposal for an expedition looking for evidence of a meteorite that
supposedly struck Earth about 250 million years ago. These investigators seek to find the remnant
crater in the greater Atlantic Ocean basin, somewhere between Greenland and Antarctica (see
map).
How do you estimate their chances for success, and why?
Moderate, given enough time - the technology for sea-floor imaging is very good
Poor - plate movements at the spreading centers and transform boundaries along the mid-Atlantic Ridge
would have disrupted the original circular shape of the crater
None - all the seafloor in the Atlantic is too young relative to the supposed impact
Good the youngest sea floor will not yet be covered with sediment that would have filled in the crater
Transcribed Image Text:Map color North America Age 0 20 40 South America 60 Antarctica Europe Africa 80 100 120 140 160 180 200 220 240 Asia 260 Austr 280 Ma You're reviewing the grant proposal for an expedition looking for evidence of a meteorite that supposedly struck Earth about 250 million years ago. These investigators seek to find the remnant crater in the greater Atlantic Ocean basin, somewhere between Greenland and Antarctica (see map). How do you estimate their chances for success, and why? Moderate, given enough time - the technology for sea-floor imaging is very good Poor - plate movements at the spreading centers and transform boundaries along the mid-Atlantic Ridge would have disrupted the original circular shape of the crater None - all the seafloor in the Atlantic is too young relative to the supposed impact Good the youngest sea floor will not yet be covered with sediment that would have filled in the crater
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