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