deposito di benua timur
Asia
China, India
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Eropah
Germany, Iceland, Ireland, Italy, Spain
United Kingdom
lain
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deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
Kolumbia
deposito di oceania benua
Australia
New Zealand, Queensland, Western Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula