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.
economic - of or relating to an economy, the system of production and management of material wealth; economic growth; aspects of social, political, and economical life economical. 2. economic - of or relating to the science of economics; economic theory 3. economic - using the minimum of time or resources necessary for effectiveness; an economic use of home heating oil; a modern economical heating system; an economical use of her time economical efficient - being effective without wasting time or effort or expense; an efficient production manager; efficient engines save gas