Klerksdorp sphere en · NOUN
Meanings
- A small object, often spherical to disc-shaped, found in three-billion-year-old pyrophyllite deposits mined near Ottosdal in South Africa, and thought to have originated as concretions in ancient accumulated volcanic sediments or ash.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Klerksdorp spheres | Number=Plur | lexicographic |