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. This map shows details of the 1775-76 siege of Boston and outlines Bunker Hill and Breed's Hill on the Charlestown Peninsula. On the night of June 16, 1775, a detail of American troops acting under orders from Artemas Ward moved out of their camp, carrying picks, shovels, and guns. They entrenched themselves on a rise located on Charleston Peninsula overlooking Boston. Their destination: Bunker Hill. From this hill, the rebels could bombard the town and British ships in Boston Harbor. But Ward's men misunderstood his orders.