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.
The Battle of Bunker Hill is arguably the most important battle fought between the British and the newly formed American militia not because it was a victory in fact, but because it gave the American people a rallying cry as they marched onward through the bloody war for American Independence.