There are two basic types of metamorphic rocks. Foliated metamorphic rocks such as gneiss, phyllite, schist, and slate have a layered or banded appearance that is produced by exposure to heat and directed pressure.
Image by Picture Taking Fool. Industrial Economics is the study of firms, industries, and markets. It looks at firms of all sizes â from local corner shops to multinational giants such as WalMart or Tesco. And it considers a whole range of industries, such as electricity generation, car production, and restaurants.
An industrial society can be defined in many ways. Today, industry is an important part of most societies and nations. A government must have some kind of industrial policy, regulating industrial placement, industrial pollution, financing and industrial labour.