deposito di benua timur
Asia
India, Russia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Afrika
South Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Eropah
Iceland
England, France, Germany, Spain, United Kingdom
lain
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-
deposito di benua Barat
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Brazil
Kolumbia
deposito di oceania benua
Australia
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Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula