deposito di benua timur
Asia
Afghanistan, Indonesia, Japan, Russia
-
Afrika
Kenya
Uganda
Eropah
Greece, Hungary, Iceland, Italy, Turkey
Germany, Hungary, Italy, Spain
lain
-
tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada, Mexico, USA
USA
Amerika Selatan
Argentina, Chili, Ekuador, peru
Bolivia, Brazil
deposito di oceania benua
Australia
New Zealand
New South Wales, New Zealand, Queensland, South Australia, Western Australia