Substrate Origin | Anthropogenic Substrate |
Substrate Class | Construction Materials |
Substrate Subclass | Construction Reef Construction Rubble Construction Hash |
Definition | Anthropogenic Substrate that is composed of any single construction material or combination of construction materials (concrete, brick, rebar, pipe, porcelain, fiberglass, rubber, plastic, < 50% wood, < 50% metal, etc.) that were manufactured by humans. This substrate may be composed of one or many types of these materials. If anthropogenic wood or metal constitute a dominant fraction of the materials, the substrate is classified as Anthropogenic Wood or Metal, accordingly. Shape for this substrate class is covered in the GC (e.g., Breakwater, Wreck (if fiberglass, ferrocement, etc.). |