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What are pieces of evidence of sea floor spreading?
molten material,drilling samples, and magnetic stripes
What are two pieces of evidence for sea-floor spreading?
Magnetic stripes and absolute ages of seafloor basalt.
What are three types of evidence provided support for the theory of sea-floor spreading?
Eruption of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves.
Magnetic striping of evidence of?
Magnetic reversals and sea floor spreading.
Bands of magnetic material in the sea floor that have opposite poles or exhibit magnetic reversal can provide evidence for sea floor spreading true or false?
true
How magnetic reversals provide evidence for sea floor spreading?
Because of the stripes at the sea floor which are magnetic minerals
How does magnetic reversals provide evidence for seafloor spreading?
Because of the stripes at the sea floor which are magnetic minerals
What are pieces of evidence of sea floor spreading?
molten material,drilling samples, and magnetic stripes
What are magnetic strips on the sea floor caused by?
Movement of the ocean crust
What are two pieces of evidence for sea-floor spreading?
Magnetic stripes and absolute ages of seafloor basalt.
What three forms of evidence do geologists have of sea floor spreading?
Magnetic Stripes, Drilling Samples, and Molten Material.
What are three types of evidence provided support for the theory of sea-floor spreading?
Eruption of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves.
Why do magnetic stripes appear on the sea?
The seafloor spreads apart, creating new rocks that record magnetic orientation. Small grains of magnetite on the volcanic basalt (ocean floor) have magnetic properties.
What are the 3 lines of evidence for sea-floor spreading?
1. evidence from molten rocl 2. magnetic stripes 3. drilling samples
What three types of evidence provided support of the theory of sea-floor spreading?
three are : eruptions of molten material magnetic stripes in the rock of the ocean floor and the ages of the rocks themselves :)
What three types of evidence provided support of the theory of sea floor spreading?
three are : eruptions of molten material magnetic stripes in the rock of the ocean floor and the ages of the rocks themselves :)
What are three types of evidence provided support for theory of sea?
eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves
