granite- california gold California Gold is from Central California. California Gold can be used for pathways, driveways, groundcover, roofing and landscaping. It is an angular rock with gold, tan and white tones. California Gold is sold in bulk by the ton. It is also available in gold decomposed granite or path fines. AVAILABLE SIZES DESCRIPTION THICKNESS COVERAGE AREA Granite Fines Decomposed Granite 120 sf /ton @ 2" Gravel 3/8" 120 sf /ton @ 2" Gravel 3/4" 120 sf /ton @ 2" Boulders 500 – 5,000 lbs   Wallrock, palletized/buk 8" – 12" 45 – 55 sf /ton Wallrock, palletized/buk 12" – 18" 35 – 45 sf /ton Wallrock, palletized/buk 18" – 24" 25 – 35 sf /ton