limestone- santa maria Santa Maria is composed of finely laminated alternating layers of dolomite and chert. These two minerals together create a very durable product. Quarried in Santa Maria, California this stone is readily available. The rich cream color with golden hues offers a beautiful and desirable stone for patios, walkways and driveways. Santa Maria is packaged on pallets and sold by the ton. AVAILABLE SIZES DESCRIPTION THICKNESS COVERAGE AREA Flagstone 1-1/2" – 2" thick 90 sf /ton Pavers 3/4" – 1-3/4" thick 120 sf /ton Select Flagstone 1-1/2" – 2-1/4" thick; 3' – 7' long 125 sf /ton #9A Building Stone 2-1/2" – 4" thick 50 sf /ton