Observed arrival · 2026-10-27
Perin on the Rocks
Geologist Ty Perin’s personal blog follows rocks, environmental science, field discoveries, and outdoor wandering.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Geology and outdoor-curiosity readers
- Worth noticing
- Its two visible posts range from Cryogenian “Snowball Earth” history to a snack-time joke about Adrian College squirrels.
Field notes
The author describes moving between field research, fossil discoveries, mountain trails, and mining history, and frames the blog as an attempt to read the Earth’s long geological record. The visible Cryogenian entry outlines the Snowball Earth hypothesis, while a separate post turns to campus squirrels. The homepage also presents short facts about Michigan’s Keweenawan Rift, soil carbon, the Appalachians, and owl flight.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
◉HumanPersonal, local, civic, or handmade
ƒJavaScriptBrowser-side code central
One card from the complete issue