Source of the photo
http://www.chem.elte.hu/departments/altkem/tarczay/szervetlen/FT_szervetlen7_2009.pdf
Author of the description
Gruiz Katalin
Tha map shows the production of cobalt on Earth.
Cobalt is used for alloys, paints for colouring ceramics, poigments for different purposes, catalisator, strong magnets (alloy with samarium), coating, etc.
Source of description