A Sailor Found a Pitch-Black Iceberg That May Hold Secrets From 100,000 Years Ago The coloration may be caused by volcanic ash or simply dirt that hasn’t seen the light of day in millenia.

As exotic as the iceberg may be, its trajectory from now on is bound to be unspectacular. As it drifts south through Baffin Bay and along the Labrador coast, the berg continues to melt.