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Index fossils
Organisms and rocks both contain stable and unstable elements.
Geologists generally know the age of a rock by determining the age of the group of rocks, or formation, that it is found in. The age of formations is marked on a geologic calendar known as the geologic time scale. Development of the geologic time scale and dating of formations and rocks relies upon two fundamentally different ways of telling time: relative and absolute.
Type your answer here... it is the begining of the formation of rocks
The age of the material.
relative age
Index fossils
relative dating.Relative dating is used to determine the relative age of rocks.
Geochronology is the method of determining the absolute age of rocks, using radiometric methods.
The study of rocks helps in determining the age of the crust.
they are useful by showing where the fossil is buried then on that certain layer, it will be studied to know the age.
Organisms and rocks both contain stable and unstable elements.
Index fossils are used, and are of significant importance in finding the relative age of rock.
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importance of sedimentary rocks as applied to civil engineering
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The importance is that Maloree Rainwater Rocks