QuestionAnswer
________ was an ancient reptile that stayed in South America and Africa throughout the late Paleozoic. mesosaurus
In the early component of the twenty century, ________ argued forcefully for continent drift. Alfred Wegener
The previous late Paleozoic at sight continent is recognized as ________.

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Pangaea
Today, ________ is in about the same geographic position as during late Paleozoic time. Antarctica
Which the the following paleoclimatic proof supports the idea the the late Paleozoic supercontinent in the southern Hemisphere? tillites (rocks formed by glaciers) in south Africa and also South America
The ________ is an instance of an active, continent-continent collision. northward movement of India into Eurasia
Pull-apart rift zones room generally linked with a ________ key boundary. divergent
The temperature below which magnetic material can retain a long-term magnetization is dubbed the ________. Curie point
A an extremely long-lived magma resource located deep in the mantle is called a ________. hot spot
Linear, magnetic patterns associated with mid-ocean ridges space configured together ________. normal and also reversed magnetized strips about parallel come the ridge
The ________ is (are) a logical evolutionary analog the the afri Rift Valleys ten million years from now. Red Sea
A typical rate the seafloor spreading in the Atlantic ocean is ________. 2 centimeters every year
Which the the following power sources is believed to drive the lateral activities of Earth's lithospheric plates? export of warm from deep in the mantle come the height of the asthenosphere
The continental drift hypothesis was garbage primarily because Alfred Wegener might not ________. identify a mechanism qualified of relocating continents
All of the adhering to are proof supporting the concept of bowl tectonics except for ________. changes in the Moon's orbit as result of shifting key
_______ was never proposed as evidence supporting the visibility of Pangaea. Islands of Precambrian rocks along the Mid-Atlantic Ridge
Which one of the adhering to most accurately explains the volcanoes that the Hawaiian Islands? shield volcanoes fed by a long-lived warm spot below the Pacific lithospheric plate
Which the the adhering to statements apply to the asthenosphere, however not the lithosphere? zone in the top mantle the deforms through plastic flowage
New oceanic crust and lithosphere are created at ________. divergent boundaries by submarine eruptions and also intrusions that basaltic magma
Cooler, older, oceanic lithosphere sinks into the mantle in ~ ________. subduction area along convergent plate boundaries
Deep s trenches room surficial evidence for ________. sinking that oceanic lithosphere into the mantle in ~ a subduction zone
A change plate border is characterized by ________. a deep, upright fault follow me which two plates slide past one an additional in the opposite directions
Which among the following is vital fundamental assumption underlying the key tectonic theory? Earth's diameter has actually been essentially continuous over time.
The modern-day Red Sea is explained by bowl tectonics theory due to the fact that it is ________. a rift zone the may eventually open right into a significant ocean if Arabia and also Africa continue to separate
Mount St. Helens and the various other Cascade volcanoes room ________. young, energetic stratovolcanoes constructed on a continental margin above a sinking slab of oceanic lithosphere
The volcanoes and deep valleys of eastern Africa are regarded a ________. continental rift follow me which parts of the african continent are beginning to gradually separate
The Aleutian Islands occur at a ________ convergent border on a volcanic arc over a northward-subducting Pacific plate
________ most efficiently outline the edges of the lithospheric plates. Lines of earthquake epicenters
Deep-oceanic trenches are many abundant around the rim of the ________ ocean basin. Pacific
Where would certainly you drill to recuperate samples of the earliest basalts of the oceanic crust, which are Jurassic in age? oceanic next of the Aleutian trench
________ first related the symmetrical magnetic fads in seafloor basalts to seafloor spreading at a mid-ocean ridge. Vine and also Matthews
Early outcomes of the Deep Sea Drilling Project clearly justified the conclusion that ________. the ocean containers are reasonably young; most ocean basin rocks and also sediments room Cretaceous or younger in age
Oceanic Ridge - Seafloor dispersing - Arc volcanoes - Divergent Arc volcanoes
Hawaii - Island Arc - volcano arc - subduction Hawaii
convergent - transform - divergent transform
fossil evidence - to the right of the continents - paleomagnetism - paleoclimates paleomagnetism
plates are relocating apart from one another divergent
plates are sliding past one an additional horizontally transform
curie allude - paleomagnetism - magnetic poles - polar wandering polar wandering
The oldest rocks top top the seafloor are lot younger 보다 the oldest rocks ~ above the continents. T
Earth's radius and also surface area are slowly increasing to accommodate the brand-new oceanic tardy being developed at mid-ocean ridges. F
Hawaii is the oldest island of the Hawaiian Island chain. F
The oldest rocks of the oceanic crust are found in deep s trenches far away native active, mid-ocean ridges.

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T
As the south Atlantic container widens by seafloor spreading, Africa and South America are moving closer together. F
As the southern Atlantic basin widens through seafloor spreading, Africa and South America are relocating closer together. F
During assorted times in the geologic past, the polarity of Earth's magnetic field has been reversed. T
The rate of seafloor spreading is, top top the average, around one meter every year. F
Wegener's continental drift hypothesis was weakened due to the fact that a viable mechanism for relocating the continents was lacking. T
During the geologic past, the magnetic ar poles have generally been an extremely close to Earth's rotational poles. T
Seafloor spreading rates deserve to be estimated if the geologic periods of the magnetic ar reversals are separately known. T
The volcanoes the Hawaii space localized above a deep mantle hot spot; they space not part of the eastern Pacific oceanic ridge. T
Iceland is a good example of an island arc, created from an oceanic-oceanic key collision. F
An extensive, so late Paleozoic glaciation impacted southern India, southerly Africa and also southeastern southern America.Student T
The Himalayan mountains are the tectonic product the a collision between India and Eurasia that began in Eocene time and still continues. T