1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
1.1.2 Afrika
Ethiopia, Kenya, Tanzania
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
1.1.3 Eropah
Greece, Hungary, Iceland, Italy, Turkey
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
1.1.4 lain
belum menemukan
antarctica, pulau hawaii
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Canada, Costa Rica, Panama, USA
1.2.2 Amerika Selatan
Argentina, Chili, Ekuador, peru
Argentina, Bolivia, Brazil, Chili, Ekuador, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Western Australia
Central Australia, Western Australia