Where Does Chert Form - They are common in rocks of all ages. Web chert is a biochemical sedimentary rock made from microcrystalline quartz. Web chert and flint occur as individual nodules or layers of nodules in limestone or dolomite;
Web chert and flint occur as individual nodules or layers of nodules in limestone or dolomite; They are common in rocks of all ages. Web chert is a biochemical sedimentary rock made from microcrystalline quartz.