These apps have a database for you to reference different types of rocks for identification. The valuation tool can help you determine the worth of your rocks and gems. You probably have kicked a ...

This is a beginner's guide to identifying UK rock types. The guide has two main sections: background information on the structure and forces affecting the Earth in relation to rock formation a more ...

Ancient rock paintings discovered in the Amazon have unveiled extinct species a remarkable 2,000 years before their scientific identification ... By overlooking this type of knowledge for so ...