Asia
Bangladesh, China, India, Russia
-
Afrika
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Uganda
Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Germany, Hungary, Italy, Spain
lain
-
tanah penggembalaan, mid-Atlantik ridge
Amerika Selatan
Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
Bolivia, Brazil
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia