Geoscopy — Geology, explained. @geoscopy.bsky.social · 24/10/2025Let's explain rocks by sandwiches. Trust me. Earth builds rock three main ways: it stacks, it cools from melt, or it presses and reheats what it already made. #Geology 🧵 58216 82
Geoscopy — Geology, explained. @geoscopy.bsky.social · 24/10/2025Start with sedimentary—the deli sub. Bits of older rock, shells, or crystals settle out of water or air, get compacted, then “glued” by minerals like calcite or silica. That glue is the mayo/cheese that sets. 110 1
Geoscopy — Geology, explained. @geoscopy.bsky.social · 24/10/2025Texture tells the story. Big rounded chunks → conglomerate (imagine meatballs in a roll: high‑energy river moved them far). Angular chunks → breccia (more like chopped croutons dumped in—short, sudden drop). 110 1