Bubnoff unit

The Bubnoff unit is a unit sometimes used for the (extremely slow ) " speed " of geological processes. It is named after the German - Russian Geotektoniker Serge of Bubnoff and is abbreviated as "B". A Bubnoff unit corresponds to one millimeter per 1000 years or a million meters per year.

Example values

  • Sedimentation rate of red Tiefseeton: 10 B
  • Sedimentation of Flachwasserkalken: 100 B
  • Descent rate of cratons: 30 B, of geosynclines to 250 B
  • Mountain Climb: up to 10,000 B
  • Eustatic sea level changes up to 30,000 B
  • Faults along plate boundaries: to 50,000 B
Velocity Myr
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