Tag: dating
Conifers, plants dating from the Carboniferous period
Appeared on Earth 350 million years ago, at the time of carboniferous, the conifers arrived long before the trees hardwood. Their decline, however, was to begin during thesecondary era, 150…
A mammoth tusk discovered at 3,000 meters deep
During an underwater exploration off the coast of California, oceanographers discovered a mammoth tusk dating back more than 100,000 years. Its preservation, away from light and at low temperatures, will…