chapter 3 geol
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| ________ was an ancient reptile that lived in South America and Africa during the late Paleozoic. | show 🗑
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| In the early part of the twentieth century, ________ argued forcefully for continental drift. | show 🗑
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| The former late Paleozoic super continent is known as ________. | show 🗑
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| Today, ________ is in about the same geographic position as during late Paleozoic time. | show 🗑
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| show | tillites (rocks formed by glaciers) in South Africa and South America
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| show | northward movement of India into Eurasia
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| show | divergent
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| show | Curie point
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| A very long-lived magma source located deep in the mantle is called a ________. | show 🗑
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| Linear, magnetic patterns associated with mid-ocean ridges are configured as ________. | show 🗑
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| show | Red Sea
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| show | 2 centimeters per year
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| show | export of heat from deep in the mantle to the top of the asthenosphere
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| The continental drift hypothesis was rejected primarily because Alfred Wegener could not ________. | show 🗑
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| All of the following are evidence supporting the theory of plate tectonics except for ________. | show 🗑
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| _______ was never proposed as evidence supporting the existence of Pangaea. | show 🗑
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| show | shield volcanoes fed by a long-lived hot spot below the Pacific lithospheric plate
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| Which of the following statements apply to the asthenosphere, but not the lithosphere? | show 🗑
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| show | divergent boundaries by submarine eruptions and intrusions of basaltic magma
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| show | subduction zones along convergent plate boundaries
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| show | sinking of oceanic lithosphere into the mantle at a subduction zone
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| show | a deep, vertical fault along which two plates slide past one another in opposite directions
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| show | Earth's diameter has been essentially constant over time.
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| show | a rift zone that may eventually open into a major ocean if Arabia and Africa continue to separate
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| show | young, active stratovolcanoes built on a continental margin above a sinking slab of oceanic lithosphere
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| The volcanoes and deep valleys of east Africa are related to a ________. | show 🗑
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| The Aleutian Islands occur at a ________ | show 🗑
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| ________ most effectively outline the edges of the lithospheric plates. | show 🗑
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| show | Pacific
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| Where would you drill to recover samples of the oldest basalts of the oceanic crust, which are Jurassic in age? | show 🗑
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| show | Vine and Matthews
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| Early results of the Deep Sea Drilling Project clearly justified the conclusion that ________. | show 🗑
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| Oceanic Ridge - Seafloor Spreading - Arc volcanoes - Divergent | show 🗑
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| show | Hawaii
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| show | transform
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| fossil evidence - fit of the continents - paleomagnetism - paleoclimates | show 🗑
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| plates are moving apart from one another | show 🗑
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| show | transform
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| show | polar wandering
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| show | T
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| Earth's radius and surface area are slowly increasing to accommodate the new oceanic crust being formed at mid-ocean ridges. | show 🗑
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| show | F
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| The oldest rocks of the oceanic crust are found in deep ocean trenches far away from active, mid-ocean ridges. | show 🗑
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| show | F
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| show | F
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| show | T
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| show | F
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| show | T
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| show | T
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| Seafloor spreading rates can be estimated if the geologic ages of the magnetic field reversals are independently known. | show 🗑
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| The volcanoes of Hawaii are localized above a deep mantle hot spot; they are not part of the East Pacific oceanic ridge. | show 🗑
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| Iceland is a good example of an island arc, formed from an oceanic-oceanic plate collision. | show 🗑
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| An extensive, late Paleozoic glaciation affected southern India, southern Africa and southeastern South America. Student | show 🗑
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| The Himalayan Mountains are the tectonic product of a collision between India and Eurasia that began in Eocene time and still continues. | show 🗑
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