03:00
Treasure Trove: Commercial Uses of Sediment
Marine sediments are enormously important economically. Gravel and sand are obtained from the ocean for use as construction materials. In addition to
Subject: gravel
Transcript: quarries on land, more and more gravel And sand are obtained from the ocean and used in construction. In addition, there are some exotic sediments That are
03:37
The Ocean's Memory: Oil, Gas and Manganese Nodules
Sediment is a uniquely valuable commodity within the marine environment. Oil, natural gas, coal, diamonds, gravel, sand, tin and titanium are all
Subject: gravel
Transcript: 't think About is construction material. As environmental concerns eliminate the possibility Of making quarries on land, more and more gravel And sand are