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.
While technically a British victory, the Battle of Bunker Hill proved that Colonial forces could fight effectively against the British. The cornerstone of the Bunker Hill monument was laid in 1825 by Revolutionary War hero Marquis De Lafayette on the 50th anniversary of the battle.