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The age of disturbed rocks may have to be determined by?

The age of disturbed rocks can be determined by methods such as radiometric dating, which measures the decay of radioactive isotopes in the rocks, or by studying the index fossils found within the rocks to determine their relative age compared to other layers. Stratigraphic principles can also help in determining the sequence of rock layers and their ages.


The age of the earth's crust can best be determined from the studies of?

The age of the Earth's crust can be best determined using radiometric dating techniques on rock samples collected from the crust. By measuring the decay of radioactive isotopes in these rocks, scientists can calculate the age of the crust. Additionally, studying the magnetic properties of the rocks can provide further insights into the age of the Earth's crust.


Rocks in ocean crust are as old as years?

Rocks in ocean crust range in age from very young (less than a million years old) at the mid-ocean ridges to much older (up to hundreds of millions of years old) at the subduction zones. The age of ocean crust rocks provides valuable information about the history of tectonic plate movement and the evolution of the oceans.


How old are the oldest rocks on the ocean floor compared to the age of the earth?

In 1990, after 20 years of searching, geologists found the oldest oceanic rocks by drilling into the seafloor of the western Pacific. These rocks turned out to be about 200 million years old, only about 4% of the Earth's age.


How are Ocean floor rocks are different from continental rocks?

Oceanic crust is composed primarily of the dense volcanic rock basalt. Continental crust is composed primarily of the intrusive igneous rock granite, less dense than basalt.

Related Questions

How can a rocks exact age be determined?

Me


How do you determine the age of igneous rocks?

Relative age can be determined using superposition and cross-cutting relationships. Absolute age can only be determined using radiometric dating methods, such as Rb-Sr.


The age of disturbed rocks may have to be determined by?

The age of disturbed rocks can be determined by methods such as radiometric dating, which measures the decay of radioactive isotopes in the rocks, or by studying the index fossils found within the rocks to determine their relative age compared to other layers. Stratigraphic principles can also help in determining the sequence of rock layers and their ages.


The age of the earth's crust can best be determined from the studies of?

The age of the Earth's crust can be best determined using radiometric dating techniques on rock samples collected from the crust. By measuring the decay of radioactive isotopes in these rocks, scientists can calculate the age of the crust. Additionally, studying the magnetic properties of the rocks can provide further insights into the age of the Earth's crust.


A relative age of the rocks of the earths crust can be determined by using the laws of?

superposition a&c- Jackie


When scientist drilled into the ocean floor taking rock samples what did they discover about the age of the rocks?

oldest at the bottom youngest on top. Its the law of superposition. They also found that the age of rocks increases with increased distance from mid-ocean-ridges.


What happens to rocks when you get further away from the mid ocean ridges pertaining to age?

Age increases as we move further away from the MOR. Oldest rocks being of age 200 million years.


How would the age of the oldest rocks on the continents compare with the age of the oldest rocks on the seafloor if the rock on the continents is continually formed but not removed?

The oldest rocks on the continents would be much older than the rocks on the sea floor because the rocks on the continents are not being removed unlike the rocks on the sea floor that are made by the mid-ocean ridge are being removed by deep ocean trenches. this prossess that is occuring on the sea floor is called sea floor spreading. evidence of this is the Pacific ocean shrinking and the Atlantic ocean growing.


How did scientists determine that the age of rocks farther from the mid-ocean ridge were older?

thye pulled rocks from a drill and studied them obviously


Rocks in ocean crust are as old as years?

Rocks in ocean crust range in age from very young (less than a million years old) at the mid-ocean ridges to much older (up to hundreds of millions of years old) at the subduction zones. The age of ocean crust rocks provides valuable information about the history of tectonic plate movement and the evolution of the oceans.


How did scientists figure out how old the rocks in the Mid-Atlantic Ridge are?

Scientists determined the age of rocks in the Mid-Atlantic Ridge using radiometric dating techniques, specifically measuring the decay of isotopes like uranium to lead in volcanic rocks. They collected samples from various locations along the ridge, which revealed a pattern of younger rocks near the ridge crest and older rocks further away. Additionally, the age of the ocean floor was correlated with the magnetic reversals recorded in the rocks, providing a timeline of seafloor spreading. This combined approach allowed scientists to accurately estimate the age of the rocks and understand the geological processes at play.


How old are the oldest rocks on the ocean floor compared to the age of the earth?

In 1990, after 20 years of searching, geologists found the oldest oceanic rocks by drilling into the seafloor of the western Pacific. These rocks turned out to be about 200 million years old, only about 4% of the Earth's age.