Gravel - WikipediaGravel /ˈɡrævəl/ is a loose aggregation of rock fragments. Gravel is classified by particle size . Quarries where gravel is extracted are known as gravel pits. . Crushed stone may be made from granite, line, dolostone, and other rocks.quarry basalt gravel,Rock For Roads | Rock Quarry | Crushed Black Basalt SheltonWe have quality rock for roads, or crushed black basalt for your landscaping projects direct from our rock quarry in Shelton, WA; call Kennedy Creek Quarry Inc.
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