Asia
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afghanistan, Indonesia, Japan, Russia
Afrika
Kenya, Morocco, South Africa, Tanzania
Ethiopia, Kenya, Tanzania
Eropah
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Greece, Hungary, Iceland, Italy, Turkey
lain
tanah penggembalaan, mid-Atlantik ridge
belum menemukan
Amerika Utara
Canada, Mexico, USA
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Amerika Selatan
Bolivia, Brazil
Argentina, Chili, Ekuador, peru
deposito di oceania benua
Australia
New South Wales, Queensland, South Australia, Western Australia
New Zealand, Western Australia