Layers and layers of primarily felsic or intermediate-composition magma -- magma that is relatively rich in silica, sodium, aluminum, and potassium. These crystallize to form â¦ granitic rocks. These are the classic shapes of volcano that every school kid knows, known as stratovolcanoes or composite volcanoes.
The Battle of Bunker Hill took place on June 17, 1775, just a few months after the start of the American Revolutionary War. Boston was being besieged by thousands of American militia.
Bunker Hill, battle of (June 17, 1775) Battle in the American Revolution fought on Boston's Charlestown peninsula. The first large-scale battle of the war, it was actually fought s of Bunker Hill on Breed's Hill. Although the Americans were driven from their position, they inflicted heavy losses on the British.