geology
All geology-related facts.
- 8 Ruby Is Sapphire (Aluminum Oxide) Which Is Red Due to Chromium [#121] Jun 11, 2022
- 8 The Sea of Azov Is Connected to the Black Sea Which Is Connected to the Mediterranean Sea Which Is Connected to the Atlantic Ocean [#122] Jun 12, 2022
- 8 The World's Deepest Mine Goes 4 Kilometers Below the Surface [#206] Sep 11, 2022
- 7 English: Orogeny [#174] Aug 7, 2022
- 7 Mount Kilimanjaro Is the Highest Free-Standing Mountain in the World [#205] Sep 10, 2022
- 6 The Average Thickness of Antarctica's Ice Is 1.2 Miles [#135] Jul 2, 2022
- 6 Mountains Have Roots [#154] Jul 18, 2022
- 4 Petoskey Stones [#202] Sep 6, 2022