The Age of Earth is a Wikipedia page that provides detailed information about the estimated age of the Earth based on scientific evidence and theories.

Basalt is a common extrusive igneous rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon.

A calendar is a system used to organize and measure time.

Carbon-14 is a radioactive isotope of carbon that is commonly used to determine the age of ancient artifacts and archaeological remains.

Coral is a type of marine invertebrate that belongs to the phylum Cnidaria.

Dendrochronology (or tree-ring dating) is the scientific method of dating tree rings (also called growth rings) to the exact year they were formed in a tree.

The geologic time scale is a system used by scientists to categorize and study Earth's history based on significant geological and biological events.