Asia
-
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
Uganda
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
Eropah
Germany, Hungary, Italy, Spain
Bulgaria, England, Germany, Norway, Romania, Switzerland
lain
tanah penggembalaan, mid-Atlantik ridge
-
Amerika Selatan
Bolivia, Brazil
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia