bricks were made from local clay at Jamestown
Source: National Park Service, Making Brick at Jamestown (Sidney King painting)
local clay was used by the English colonists, as well as Native Americans, to make pottery
Source: National Park Service, Making Pottery at Jamestown (painting by Sidney E. King)
Clay minerals form by the decomposition of bedrock. The iron in the original source oxidizes. Virginia clay and bricks are red because of the rusted iron.
wealthy members of the gentry such as Thomas Nelson, Secretary of the Colonial Council of Virginia, built brick houses in the 1700's
Source: National Park Service, The Secretary Nelson House (Sidney King painting)