Look up tour de force in Wiktionary, the free dictionary. Tour de Force may refer to: 1  French phrase, meaning, a feat or display of strength, skill, or ingenuity, such as the funny movie is a comic tour de force.  Tour De Force (tour), 1986 Elton John Concert Tour.
Granite is an igneous rock composed of mostly two minerals: quartz and feldspar. It is an intrusive rock, meaning that it crystallized from magma that cooled far below the earth's surface.
Characteristics of granite. Granite is made up of three minerals: quartz, feldspar and mica. It is a hard, crystalline rock, which is very resistant to erosion. It is an intrusive igneous rock. The main processes that affect it are freeze-thaw and hydrolysis.haracteristics of granite. Granite is made up of three minerals: quartz, feldspar and mica. It is a hard, crystalline rock, which is very resistant to erosion. It is an intrusive igneous rock. The main processes that affect it are freeze-thaw and hydrolysis.