look at your minimap when your walking a round there really common in crage biome oso the bolder im sitting on thats a granite bolder u can find them randomly in the world ...agen more common in a crage biome http://gyazo.com/670388523d1047a94ea5ca3d5f87db03
i found that granite become more rare than other common resources even in crag and with forage move also... i guess we need granite buff i almost used all my granite boulders 10min walk around base...
The crag biomes are usually too small to be significant forage locations. Badlands have same rate of granite as a Crag, but is a much larger biome, which means it's usually a guarantee that you'll find granite as you explore it.