The difference in composition is what caused the Earth to develop layers as it cooled.!Differences in density caused earth to develop layers as it cooled.The earth has different layers because as it formed, the lighter parts (like continental crust) floated to the surface, and the really heavy parts (like iron and nickel in the core) sank to the middle.
The difference in composition is what caused the Earth to develop layers as it cooled.!Differences in density caused earth to develop layers as it cooled.The earth has different layers because as it formed, the lighter parts (like continental crust) floated to the surface, and the really heavy parts (like iron and nickel in the core) sank to the middle.
The difference in composition is what caused the Earth to develop layers as it cooled.!Differences in density caused earth to develop layers as it cooled.The earth has different layers because as it formed, the lighter parts (like continental crust) floated to the surface, and the really heavy parts (like iron and nickel in the core) sank to the middle.
The difference in composition is what caused the Earth to develop layers as it cooled.!Differences in density caused earth to develop layers as it cooled.The earth has different layers because as it formed, the lighter parts (like continental crust) floated to the surface, and the really heavy parts (like iron and nickel in the core) sank to the middle.
seismic waves.
When lava cools and solidifies, magnetic minerals within it align themselves with Earth's magnetic field. By studying the orientation of these minerals in lava layers, scientists can track changes in the Earth's magnetic field over time. Reversals of the Earth's magnetic field are reflected in lava layers as bands of alternating magnetic orientation.
Earth is layered due to gravitational compression that caused dense materials to sink onto the Earth's center, while the less dense materials rose.
When magma cools deep inside earth, igneous rockforms.
it is a part of the EARTH layers.
it is a part of the EARTH layers.
it is a part of the EARTH layers.
Intrusive and extrusive rocks can help determine the relative age of rock layers through their formation processes. Intrusive rocks, formed from magma that cools slowly beneath the Earth’s surface, are generally older than the sedimentary layers they intrude. Conversely, extrusive rocks, created from lava that cools quickly on the surface, can provide information about volcanic activity relative to the surrounding layers. By observing these relationships, geologists can infer the chronological sequence of geological events and the relative ages of the rock layers.