The formation of soil from the decomposition of organic matter
The formation of soil from the decomposition of organic matter
Any type of moss which has formed on peat as its substrate
An accumulated mass of decayed or partially decayed plant matter
A small globular piece of fused metal or metals, usually 1 cm. in diameter
An igneous rock, similar to granite, having a coarse irregular texture. Pegmatites are a common host of minerals and specifically a priority target for well formed crystal minerals such as corundum and tourmaline
The single particle, which in a group are responsible for electromagnetic radiation of all wavelengths, including gamma rays, x-rays, light, microwave energy, and radio waves
A nonmetallic mineral element. Symbol, P
The residual emission of absorbed energy in the form of light by a substance, following exposure to incident radiation
A mineral containing phosphorous
A term for igneous rocks having a texture of grainy crystal visible to the naked eye