At the light-colored extreme are rocks made up mainly of quartz and the feldspars, with about 70% silica. Such rocks are called granitic rock. Rocks which contain large amounts of the ferromagnesian dark matter and about 50% silica are said to have basaltic composition.
It became the House of Burgesses â the first legislative assembly in the American colonies. The first assembly met on July 30, 1619, in the church at Jamestown. Present were Governor Yeardley, Council, and 22 burgesses representing 11 plantations (or settlements) Burgesses were elected representatives.
Yeardley helped to set up the new House of Burgesses, which met for six days at the end of July. and beginning of August in 1619. In those six days, the new Burgesses codified the law that. Sandys gave them and set up a way for ruling themselves.