Geologic dating principles

Basic chemistry is important to all sciences, especially geology!

Everything around us is made of chemical compounds that have testable and identifying characteristics, allowing them to be classified, and their age determined.

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Many of these organisms have left their remains as fossils in sedimentary rocks.This chapter presents a mix of information that is essential (fundamental) to all following chapters.This chapter is an introduction to rocks and minerals, and the rock cycle.Relative dating does not provide actual numerical dates for the rocks.Fossils are important for working out the relative ages of sedimentary rocks.

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