• AD

9,000-year-old stone artefacts undrwater


An underwater archaeologist from The University of Texas at Arlington is part of a research team studying 9,000-year-old stone tool artefacts discovered in Lake Huron that originated from an obsidian quarry more than 2,000 miles away in central Oregon.

Source: Pexels

Let's deep dive:

what is found-

Two obsidian flakes were unearthed.

More info:

The larger specimen is a mostly complete, almost triangular, biface thinning flake made from black and translucent material with a sub-vitreous texture. Along with evidence of flake scars from an earlier stage of reduction, the flake has clear ventral and dors