Category: Geology and Geography

What is the meaning of layers of the earth?

The structure of the Earth is divided into layers. These layers are both physically and chemically different. The Earth has an outer solid layer called the crust, a highly viscous layer called the mantle, a liquid layer that is the outer part of the core, called the outer core, and a solid center called the

Which dating method provides a relative age?

The abundances of parent and daughter isotopes in a sample can be measured and used to determine their age. This method is known as radiometric dating. What are relative dating methods? In relative dating, we determine which things are older or younger based on their relationships. For example, we know from geology that soil layers

What causes plate tectonics quizlet?

convection currents are a process in which the materials inside the mantle heat up and rise to the surface whilst the cooler liquid sinks; as it sinks it then heats up and rises again. This continuous cycle is established: hot liquid rising, cold liquid descending. These currents cause the tectonic plates to move. What causes

What is the definition of a parent rock?

What is the definition of a parent rock quizlet? parent rock is the rock type that a metamorphic rock was before it was subjected to metamorphic conditions. You just studied 21 terms! What is a parent rock simple definition? In the earth sciences, parent rock, also sometimes substratum, is the original rock from which younger

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