Sponsor of the Day:
Jerkmate
https://www.geodes.umd.edu/impactflash
Impact Flash! - GEODES: Geophysical Exploration of the Dynamics and Evolution of the Solar System
solar systemimpactflashgeodesgeophysical
https://greatminds.org/english/geodes/alignments
Geodes and Phonics Alignments
Pair Geodes with a high-quality phonics or foundational skills program to help students learn to read while reading to learn.
geodesphonicsalignments
https://www.livescience.com/archaeology/human-evolution/homo-erectus-tools-include-stunning-geodes-and-fossils-possibly-as-a-way-to-connect-with-the-cosmos-study-finds
Homo erectus' tools include stunning geodes and fossils, possibly as a way to connect with the...
Apr 13, 2026 - Homo erectus may have deliberately selected rocks embedded with fossils and crystals to craft their hand axes — possibly to serve as mediators between humans...
homo erectustoolsincludestunninggeodes
https://www.rockngem.com/how-do-super-size-geodes-get-so-big/
How Are Geodes Formed? - Rock & Gem Magazine
Apr 23, 2026 - How are geodes formed? Learn how mineral-rich water creates crystal-lined cavities and why rare conditions can produce giant geodes like Spain’s Pulpí Geode.
rock gem magazinegeodesformed
https://www.geodes.umd.edu/team.php
Team - GEODES: Geophysical Exploration of the Dynamics and Evolution of the Solar System
solar systemteamgeodesgeophysicalexploration
https://geology.com/articles/geodes/
Geodes: The rocks with a crystal surprise inside!
Geodes are spherical rock structures with an internal cavity that is often lined with quartz crystals and banded agate. Some are lined with more mundane or...
crystal surprisegeodesrocksinside