Asia
India, Russia
China, India
Afrika
South Africa
Morocco, Namibia
Eropah
Germany, Greece, Italy, Scotland, Turkey
Austria, Italy, Romania, Spain, Switzerland
lain
tanah penggembalaan, mid-Atlantik ridge
-
Amerika Utara
Canada, USA
Mexico, USA
Amerika Selatan
Bolivia, Brazil, Kolumbia, venezuela
Brazil, Kolumbia
deposito di oceania benua
Australia
New Zealand, Queensland
New South Wales, Queensland, Yorke Peninsula