1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
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
Kenya, Morocco, South Africa, Tanzania
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
1.1.3 Eropah
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
antarctica, pulau hawaii
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Mexico, USA
Canada, Costa Rica, Panama, USA
1.2.2 Amerika Selatan
Bolivia, Brazil
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, South Australia, Western Australia
Central Australia, Western Australia