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 significance of the Battle of Bunker Hill was that it showed the determination of the outnumbered American forces. Although the colonial forces were defeated their ability to inflict damages and heavy losses on the British was an important factor in increasing the support for the colonists military efforts. Report.