hwakorea.blogg.se - Rifts south america 2 pdf

Satellite than can monitor worldwide volcanic activityĪ new volcano that is the youngest in the Hawaiian Island chain. New instrument for detecting lava composition New instrument for detecting volcanic gasses

Loihi excites geologists because it represents a:.

Which of the following would not be part of this reconstruction?

I once saw a bumper sticker that said "Reunite Gondwanaland".

If the Pacific plate and the North American plate continue to move in the same sense, Los Angeles and San Francisco will eventually lie at the same latitude.

Which segment of the Atlantic Ocean opened first?.

The rotational poles of the Earth have migrated. Mountains are more dense than then mantle The crust of the oceans is very young relative to the age of the crust of the continents The crust of the continents is more dense than the crust of the ocean

One remarkable realization associated with the discovery of seafloor spreading.

At convergent plate boundaries where oceanic and continental crust meet _.

If the Atlantic Ocean is widening at a rate of 3 cm per year how far (in kilometers) will it spread in a million years?.

Shearing stresses and shallow earthquakes are associated with:.

Compressive stresses, granitic magmas, and intermediate depth earthquakes are associated with _.

Stretching stresses, basaltic lavas, and shallow earthquakes are associated with _.

Micro-continents that have traveled a long distance Wedge-shaped packages of sediments that form at passive margins įragments of oceanic lithosphere emplaced on a continent

The east coast of North America represents a _.

The North American plate is bounded by _ plate boundaries.

Which of the following are not associated with convergent plate margins?.

At what type of plate boundary do shallow-focus earthquakes occur?.

Partial melting and the production of magma takes place at _.

Which of the following is not a divergent plate boundary?.

How old are the oldest oceanic crustal basalts?.

Which plate is being subducted beneath western South America?.

Approximately how many lithospheric plates are there?.

What age are the fossils of the reptile Mesosaurus found in Africa and South America that suggested that the two continents were once together?.

The theory of plate tectonics was widely accepted by _.

What two scientists proposed the theory of seafloor spreading in he early 1960s?.

When did the supercontinent Pangaea begin to break apart?.

What is the name of the Mesozoic supercontinent that consisted of all of the present continents?.

Chapter 20 Multiple Choice Questions for Plate Tectonics - Chapter 19Įach chapter will include a few questions designed to test your knowledge of material covered in the chapter and in the Internet-based resources.