Afrika
Uganda
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Eropah
Germany, Hungary, Italy, Spain
Germany, Greece, Iceland, Norway, Poland
lain
tanah penggembalaan, mid-Atlantik ridge
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Amerika Utara
USA
Canada, USA
Amerika Selatan
Bolivia, Brazil
Brazil
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
South Australia, Western Australia