Asia
Afrika
Eropah
lain
Amerika Utara
Amerika Selatan
Australia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
Namibia, Nigeria, South Africa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Barbados, Canada, Mexico, Panama, USA
New South Wales, New Zealand
pulau hawaii, mid-Atlantik ridge