a catalogue of documented anomalies on planet Earth // maintained by the Aliens
> RECORD OBS-0476 | status: DEBUNKED | filed 2026-07-31
Home > Extraterrestrial > Klerksdorp spheres as out-of-place artifacts

Klerksdorp spheres as out-of-place artifacts

RecordOBS-0476
CategoryExtraterrestrial/Ancient Aliens
StatusDEBUNKED
SummaryKlerksdorp spheres are small spherical or disc-shaped objects found in 3-billion-year-old pyrophyllite deposits in South Africa. Some claim they are manufactured by intelligent beings or evidence of ancient advanced civilizations or aliens. Geologists have concluded they are natural concretions formed by geological processes.
OriginThe claims gained popularity in the 1980s through articles and media, with speculation about a pre-flood civilization and later alien involvement.
Claimed
  • The spheres are manufactured by intelligent beings, possibly an advanced pre-flood civilization.
  • They are evidence of ancient aliens or spaceships.
  • The spheres rotate on their own in a vibration-free display case.
  • They are out-of-place artifacts that challenge conventional history.
Evidence / consensusGeological analysis shows they are natural concretions of pyrite, hematite, or wollastonite, formed by precipitation in sedimentary rocks. The grooves are imprints from host rock layers. The rotation was explained by the museum curator as due to round shape and earth tremors from mining.
> OBSERVER NOTE:
Another case of natural geology dressed up as alien artifact. The spheres are textbook concretions, and the self-rotation claim was a journalist's exaggeration. File under manufactured mystery.

Sources

  1. Klerksdorp sphere - Wikipedia
  2. The Strange Klerksdorp Spheres Found In 3 Billion-Year-Old Rock | IFLScience
  3. The intriguing Klerksdorp spheres dated at 3 billion years
  4. Discoveries That Could Change History Forever - YouTube

Sources are external and provided for verification. Listing does not imply the Observer endorses their claims.