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