deposito di benua timur
Asia
China, India
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Afrika
Namibia
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Eropah
Italy, Spain
United Kingdom
lain
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deposito di benua Barat
Amerika Utara
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USA
Amerika Selatan
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Kolumbia
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, Victoria
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula