gritstone dan hyaloclastite cadangan
cadangan
deposito di benua timur
Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Russia
Afrika
Namibia, Nigeria, South Africa
South Africa
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Poland, Sweden, Switzerland, United Kingdom
Iceland
lain
tanah penggembalaan
belum menemukan
deposito di benua Barat
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Brazil
Brazil, Kolumbia
deposito di oceania benua
Australia
New South Wales, New Zealand, Western Australia
Not Yet Found
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