________ 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 ________. You are watching: The oldest rocks on the seafloor are much younger than the oldest rocks on the continents | 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. See more: Can You Get Worms From Eating Raw Potatoes Cause Worms? Raw Potatoes Poisonous | 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 |