Bone Zone vs Mineralia

Discover the prehistoric world hiding beneath your feet with Bone Zone — interactive geological maps that turn every hike into a journey through deep time. EXPLORE THE GEOLOGY AROUND YOU • Detailed geological maps for all 48 continental states • Formations colored by geologic age using international standard colors • GPS centers the map on your location and your state • Tap any formation to learn what it is, how it formed, and how old it is COULD YOU FIND A FOSSIL HERE? • Every formation gets a plain-language fossil verdict — from "Hot Spot" to "Wrong Rock" — based on its rock type and geological age • See documented fossil finds near the exact spot you tapped, from the Paleobiology Database's scientific records • Fossil pins show real discoveries: species, age, and taxonomy • Browse actual museum specimen photos and records from collections across the country (iDigBio) LEARN AS YOU EXPLORE • Interactive learning center covering rocks, ages, and fossil types • A geological timeline from the first life to the ice ages • Field safety guidelines and collecting ethics • Clear guidance on laws and land access — know before you dig BUILT FOR REAL ADVENTURES • State data downloads on demand and stays on your device • Perfect for rockhounds, students, educators, scout troops, and anyone curious about what's underfoot • Promotes responsible exploration and Leave No Trace principles FREE WITH ADS — REMOVE THEM FOREVER Bone Zone is free to use, supported by small banner ads that never cover the map. An optional one-time purchase removes all ads permanently. No subscriptions, no accounts. From shark teeth on beaches to ancient coral reefs in your local hills, start your journey through deep time today. Privacy: https://bone-zone.app/privacy-policy.html Terms: https://bone-zone.app/terms-of-service.html

Mineralia is a comprehensive reference encyclopedia dedicated to minerals and gemstones, designed for geology enthusiasts, collectors, and the naturally curious. Explore 190 minerals through detailed, richly illustrated entries — from quartz to diamond, from amethyst to turquoise. What you'll find in Mineralia: Each mineral is presented with its physical properties (Mohs hardness scale, luster, color, crystal system, density), an accessible scientific description, its geological formation process, its main localities around the world, and its practical uses. Instantly search for any mineral by its French or English name. The built-in search bar filters results in real time, bringing you to the information you need in seconds. A clean, uncluttered interface designed for comfortable reading on iPhone and iPad. No internet connection required — all data is bundled within the app. All photos are sourced from royalty-free libraries (Wikimedia Commons) with full author attribution.