A significant fossil discovery has been made, with a fully intact adult molar from a mastodon found to be 10,000 years old. The tooth was discovered in a creek in a forest, and geologists have confirmed its age and origin.

The fossil was found in a preserve within the Midpeninsula Regional Open Space District. Further details about the discovery can be found through the source.

The discovery of the mastodon tooth provides a glimpse into the region's ancient past, with the tooth being a rare and intact specimen from this time period.