How many Sedimentary Rocks their is today?
Sedimentary rocks; 1. Mechanical - Breccias, Conglomerate, Sand stone, Arkose, Shale . 2. Chemical - Some lime stones including- Travertine, Lithographic lime stone, Oolite lime stone, some dolomite, Rock Salt, Gypsum, Bog Iron ore. 3. Organic - Most lime stones including- Coquina, Chalk, Fossiliferous Lime stone, some Dolomite. Coal. Note- It depends as to count the lime stones individually or in one group.
