What Is Drainage Rock. Besides do rocks help with drainage. Retaining walls and other features that require drainage make great use of large gravel to allow water to drain away faster than soil would.
There are many practical applications for drain rock and well go into a little bit more detail on those in this blog post. Gravel is necessary for many landscape projects and not just beautiful rock gardens. River gravel has already spent a good deal of time eroding down to its current size as it is acquired from dried river beds before being cleaned and sold to the public.
Gravel is necessary for many landscape projects and not just beautiful rock gardens.
Lining drainage ditches with rocks creates a drainage system called French drains. Drainage gravel may be used for landscaping purposes. Photo 1 Rock-lined drainage channel. Metals are not usable as sulfides and after mining the sulfide minerals sulfur needs to separate and be removed to produce a pure metal.