Decomposed Granite.  
Vineyard Rock Products is a hard rock quarry in the South Bay area specializing in Golden Granite and pathway materials serving markets primarily in California and through out the United States. We have over 300 million tons in reserve of granitic and gneissic rock and over 20 million tons of pure calcium carbonate.

Address:     1781 Limekiln Rd, Hollister, CA 95073 Email:        Contact:   Phone:    831-637-6443   FAX:  831-637-9382