Things like these if found at an actual archaeological dig site are classed as genuine stone artifacts. Humans in North America earlier than thought - Technology & Science - CBC News It seem if they are found in a random location then then it becomes impossible to say for sure what it is. Seems then opinions can go both ways. Some will say it's a true artifacts and equally others will say it's a notafact. Post it in the North American Indian Artifacts forum as it's always interesting to see what they have for opinions over these type of finds.