deposito di benua timur
Asia
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
-
Afrika
Cameroon, East Africa, Tanzania, Western Africa
Uganda
Eropah
United Kingdom
Germany, Hungary, Italy, Spain
lain
-
tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
Bolivia, Brazil, Kolumbia, Ekuador
Bolivia, Brazil
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia