Rocks & Minerals Challenge Game

~ Credits ~
Technical advisor and Web designer: Rita Ramirez-Levine
Web designer: Kieran Bautista
Project Manager: Donna Potacco
Geological Advisor and Editor: Dr. Karen Swanson
DISCLAIMER: All wallpapers, images, and backgrounds used in this website are purported to be in the public domain. We do not intend to infringe on any legitimate intellectual rights, artistic rights, or copyright. All the content of this site are free of charge; therefore, we do not gain any financial benefit from the display or downloads of any images/wallpaper. If you are the rightful owner of any of the pictures/wallpapers posted here, and you do not want it to be displayed, or if you require a suitable credit, then please contact us. Other image credits: © Raimond Spekking / CC-BY-SA-3.0 (via Wikimedia Commons); orvalrochefort at; karis;