Rockhounding in North Dakota Badlands, North Dakota, USA — Field Guide | Geo-Gem

Excellent petrified wood and fossil collecting in scenic badlands. Common finds: Petrified Wood, Agate, Fossils, Selenite, Coal, Lignite.

Explore Geo-Gem

AI Rock & Mineral Identification — snap a photo and get an instant AI-powered ID
Community Discoveries — browse finds from rockhounds around the world
Field Guide — regional guides to rocks, minerals, and geology
Rock & Mineral Database — comprehensive identification reference
Marketplace — buy and sell specimens with verified collectors
Rockhound Groups — join local clubs and online communities
Events & Field Trips — upcoming geology events near you
Leaderboard — top contributors in the community