Pretty Landscaping Boulders Types
Jun
16th
Landscaping boulders - Sedimentary rocks are form by the "glue" together of pebbles, sand and organic material. Most are elastic and form of Citification which is the cementing process. Chemical sedimentary rocks occur when water dissolves the minerals and evaporate away. Gypsum is an example of this process. Organic sedimentary rocks occur when animals and plant residues collect and calcify.…