Asia
Afrika
Eropah
lain
Amerika Utara
Amerika Selatan
Australia
Germany, Greece, Italy, Scotland, Turkey
tanah penggembalaan, mid-Atlantik ridge
Bolivia, Brazil, Kolumbia, venezuela
China, India, Israel, Russia, South Korea, Thailand, Turkey
Ethiopia, Morocco, South Africa, Zimbabwe
England, Italy, Norway, Scotland, Sweden, United Kingdom
Brazil, Kolumbia, venezuela
New Zealand, Queensland, Western Australia