Dating ceramic artifacts
The most recently deposited materials are the youngest and are always at the top. It always applies except when some type of disturbance has occurred.
Ceramics artifacts have a long human history, dating back 27,000 years.
Ceramics are a useful artifacts for archaeologist as they are hand made, durable, and can last thousands of years without changing from their original state. impurities such as iron make it a different colour.
When clay is heated, water evaporates and the minerals fuse to become a ceramic.
This process is irreversible once the ceramic has been created, and is similar to making glass.
Pottery is the first synthetic material ever created by humans.