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.
In 1620 the company dispatched a boatload of marriageable women to the colony in an effort to create a more stable society. The going rate was 120 pounds of tobacco for each bride. An additional inducement was provided by the company s effort to make local government in Virginia more responsive to the colonists. In July 1619, a meeting of the House of Burgesses was held in Jamestown, the first such assembly in the Americas. The initial session accomplished little, however. It was cut short by an outbreak of malaria.