deposito di benua timur
Asia
China, India, Turkey
China, India
Afrika
-
Morocco, Namibia
Eropah
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Austria, Italy, Romania, Spain, Switzerland
lain
arktik
-
deposito di benua Barat
Amerika Utara
USA
Mexico, USA
Amerika Selatan
Brazil
Brazil, Kolumbia
deposito di oceania benua
Australia
-
New South Wales, Queensland, Yorke Peninsula