The first echo sounders were used for _____.
Oceanic crust is primarily _____.
Oceanic crust is primarily _____.
The violent volcanoes of South America’s Andes Mountains are…
The violent volcanoes of South America’s Andes Mountains are a product of _____.
Lithospheric plates shear laterally past one another at ____…
Lithospheric plates shear laterally past one another at _____.
Captain James Cook _____.
Captain James Cook _____.
Seismic waves are_____.
Seismic waves are_____.
The “fossil,” or remanent, magnetic field of a rock, is know…
The “fossil,” or remanent, magnetic field of a rock, is known as _____.
The _____ is the depth where the rate at which calcareous se…
The _____ is the depth where the rate at which calcareous sediments are supplied to the seabed equals the rate at which those sediments dissolve.
Terrigenous sediments come from _____.
Terrigenous sediments come from _____.
How is the seafloor at a mid-ocean ridge (spreading center)…
How is the seafloor at a mid-ocean ridge (spreading center) different from seafloor at the edges of the ocean basin?