Petersburg, West Virginia. Petersburg is a city in Grant County, West Virginia, USA. The population was 2,467 at the 2010 census. It is the county seat of Grant County. Contents.
The particles that make up soil are categorized into three groups by size: sand, silt, and clay. Sand particles are the largest and clay particles the smallest. Although a soil could be all sand, all clay, or all silt, that's rare. Instead most soils are a combination of the three.
110 are determined by many factors such as parent material, landscape. topography, translocation of materials, and movement of water and wind. Parent material is the initial soil forming process and the accumulation of parent. material determines the type of rocks and sediment in which the soil forms.