Trail Guide
GEOLOGY EXPLAINED
The rock cycle, plate tectonics, how a pegmatite grows crystals the size of a forearm, why one hillside is limestone and the next is granite. Geology explains why anything is anywhere, and a little of it turns a random rock pile into a readable map.
Notes Published
2
Notes in This Collection
HOW GEODES FORM (AND WHY SOME ARE EMPTY)
How geodes form: gas bubbles or dissolved cavities lined by groundwater depositing quartz and chalcedony, and why some turn up empty instead of packed.
Read the noteIGNEOUS, SEDIMENTARY, METAMORPHIC: THE ROCK CYCLE WITHOUT THE TEXTBOOK FOG
The rock cycle explained in plain language: how igneous, sedimentary, and metamorphic rock transform into each other over geologic time.
Read the note