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Geology explains why rocks are where they are. This page gathers the explainers that matter most to collectors.
Each article stays practical and ties back to what you see on the ground.
Core ideas
Start with the rock cycle and how minerals form.
Earth in motion
Read plate tectonics, volcanic activity and glaciers.
Time and change
See the geologic time scale, erosion and metamorphism.
Words to know
Use the glossary when a term is unfamiliar.
Explainers at a glance
| Topic | Read this |
|---|---|
| Rock cycle | Rock Cycle |
| Plate tectonics | Plate Tectonics |
| Time scale | Time Scale |
| Glossary | Geology Terms |
Reading order
- The rock cycle
- How minerals form
- The three rock families
- Earth processes and time
Why geology helps
- It predicts where rocks collect
- It explains what you find
- It improves identification
- It makes trips safer
Questions readers ask
Do I need geology to rockhound?
No, but a little helps. Start with the rock cycle.