deposito di benua timur
Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
India
Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
East Africa, Western Africa
Eropah
United Kingdom
England, Romania, Scotland
lain
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deposito di benua Barat
Amerika Utara
USA
Canada, USA
Amerika Selatan
Kolumbia
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deposito di oceania benua
Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula
Central Australia, Western Australia