APSC 151 midterm pt 2 Questions And Answers

What is the major source of heat for contact metamorphism? a) deep burial and heat from earth's interior b) heat from a nearby magma body c) heat from grinding and shearing on faults d) heat from the spontaneous decomposition of micas and feldspars ~ B What type of environment is typified by brittle deformation? a) deep burial with great confining pressure b) shallow, low temperature settings with high strain rates c) shallow very high temperature settings as in contact metamorphism d) intermediate depths with long slow heating and gradual strain rates ~ B What platy, parallel, mineral grains are the most visual aspect of foliated metamorphic rocks? a) micas b) quartz c) feldspars d) carbonates ~ A _________ forms from the metamorphism of limestone or dolostone a) migmatite b) amphibolite c) quartzite d) marble ~ D Open pit mines create much more ___________ than underground mines a) pollution b) ore c) employment d) waste rock ~ D