deposito di benua timur
Asia
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Japan, Oman
Afrika
South Africa
South Africa
Eropah
England, Finland, United Kingdom
France, Germany, Italy
lain
antarctica, tanah penggembalaan
pulau hawaii, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
USA
Canada, USA
Amerika Selatan
Kolumbia, uruguay
-
deposito di oceania benua
Australia
New Zealand, Western Australia
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