Hornfels is a fine-grained nonfoliated metamorphic rock with no specific composition. It is produced by contact metamorphism. Hornfels is a rock that was baked while near a heat source such as a magma chamber, sill or dike. The specimen shown above is about two inches (five centimeters) across.
Industrial Hemp Facts. Industrial hemp is a variety of Cannabis sativa and is of the same plant species as marijuana. However, hemp is genetically different and distinguished by its use and chemical makeup. Industrial hemp refers to cannabis varieties that are primarily grown as an agricultural crop.
Because of hemp's long fibers, the products will be stronger and/or lighter than those made from wood. *The products that can be made from hemp number over 25,000. SCIENTIFIC FACTS. *Industrial hemp and marijuana are both classified by taxonomists as Cannabis sativa, a species with hundreds of varieties.