riolit dan napal cadangan
cadangan
deposito di benua timur
Asia
China, India
India, Pakistan, Russia
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Ethiopia, Kenya, Morocco, South Africa
Eropah
Germany, Iceland, Ireland, Italy, Spain
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
lain
belum menemukan
belum menemukan
deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
Kolumbia, Ekuador, peru
deposito di oceania benua
Australia
New Zealand, Queensland, Western Australia
New South Wales, Victoria, Western Australia
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