Asia
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China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Afrika
Uganda
Egypt, Ethiopia, Ghana, South Africa
Eropah
Germany, Hungary, Italy, Spain
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
lain
tanah penggembalaan, mid-Atlantik ridge
tanah penggembalaan
Amerika Utara
USA
Canada, Cuba, Jamaica, USA
Amerika Selatan
Bolivia, Brazil
Bolivia, Brazil, Kolumbia, Ekuador, Paraguai
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Western Australia