deposito di benua timur
Asia
China, India, Turkey
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Afrika
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Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Eropah
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
United Kingdom
lain
arktik
-
deposito di benua Barat
Amerika Utara
USA
USA
Amerika Selatan
Brazil
Kolumbia
deposito di oceania benua
Australia
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Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula