Asia
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
China, India
Afrika
Kenya, Morocco, South Africa, Tanzania
Namibia
Eropah
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Italy, Spain
lain
tanah penggembalaan, mid-Atlantik ridge
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Amerika Utara
Canada, Mexico, USA
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Amerika Selatan
Bolivia, Brazil
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deposito di oceania benua
Australia
New South Wales, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland, Victoria