The Coso Artifact is a spark plug found in a lump of rock near Olancha, California on February 13, 1961. One of the people who found it claimed that a geologist told her that the rock it was found in would have taken 500,000 years to accumulate, but the geologist in question has never been found.
Game and Story Use
- Finding modern items in rocks "too old to contain them" is a great way of establishing an eerie atmosphere. Especially if one of the items is something one of the player characters is currently wearing…