deposito's in het oosten van continenten
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
deposito's in het westen van continenten
Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
deposito's in Oceanië continent
New South Wales, New Zealand, Queensland, Victoria, Western Australia