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