peridotites can range in color from greenish-gray to nearly black to pale yellowish-green. Peridotite weathers to form a distinctive brown crust in subaerial exposures and to a deep orange color in submarine exposures.

Peridotites can take on a massive form or may be in layers on a variety of size scales. Layered peridotites may form the base layers of layered intrusions. These are characterized by cumulate textures, characterized by a fabric of coarse