Definition
A coal seam is a layer of coal within the Earth, formed from compressed plant matter over millions of years. Think of it as a buried treasure of fossilized sunshine, a concentrated deposit of energy-rich carbon. These seams can vary in thickness from a few centimeters to several meters and can stretch for miles underground. They are mined for fuel and energy production. Coal seams are a testament to the Earth's ancient ecosystems and geological processes. ⛏️