Near the north entrance, an imposing mountain of black glass rises against the blue sky ... 100 burned and broken obsidian spear points, also known as bifaces. One point was more than 17 inches ...

The Lake County Sheriff's Office says that shortly after an August training one of its deputies located a suspect with a satchel full of spear points, serrated hand tools and obsidian flakes.

He found another piece of obsidian, and then another. Fourteen stones in all, each shaped like a very rough spear point. David wasn ... to be thick with bright blue camas flowers.

That has helped artifact looters searching for obsidian spear points and other artifacts. “Drought brings the water down. Much of the lake (normally) hides cultural sites and villages,” said ...

Now, researchers may have answered how these artifacts made of obsidian ended up so far away from their point of origin ... including arrowheads and spear tips, traveled nearly 750 miles from ...

Divers off the coast of Naples, Italy have recovered a large chunk of chiseled obsidian that likely went ... place within sight of Capri's famous Blue Grotto — a sea cave once used for private ...

or obsidian. In the past 20 years, some researchers have suggested that fighting among spear-bearing groups — following the leveling of resource-rich palm forests around 1550 — destroyed Rapa ...