Authors Affiliation ABSTRACT This paper traces the origins of common geophysical techniques and their developments for use in the UK. It is recognised that most techniques for ground surveying have their origins in the US oil and mineral industries, but were developed in the UK for use in archaeological surveying. Systems and techniques invented for […]
Why have the abundant mineral deposits or the so called manganese nodules of the deep oceans not been developed to provide mankind with an abundance of metals such as copper and nickel?
Manganese nodules are red-brown to black coloured polymetallic concretions composed predominantly of oxides of manganese (Mn) and iron (Fe), clay minerals and water. They can also contain traces of over 70 additional elements, the most abundant and commercially important of which are copper (Cu), nickel (Ni) and cobalt (Co) (Earney, 1990). Ranging in size from […]