Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...
Some minerals in rocks and organic matter (e.g., wood, bones, and shells) can contain radioactive isotopes. The abundances of parent and daughter isotopes in a sample can be measured and used to ...
The Jack Hills, 4.4 billion years old The Jack Hills, in Western Australia, contain tiny traces of rock that are older than ...
Minerals are typically formed when molten rock, or magma, cools, or by separating out of mineral-rich water, such as that in underground caverns. In general, mineral particles are small ...
David Bressan is a geologist who covers curiosities about Earth. Rocks and minerals contribute essential raw materials for any civilization, and in a technological society minerals (and the rare ...
The U.S. has responded to concerns that China might restrict the export of minerals by trying to diversify its supply chain.
These minerals are often particularly sensitive when exposed to ultraviolet (UV), blue light or inappropriate relative humidity. 'Many people think that because rocks are usually hard and have lasted ...
Simply put, minerals are specific combinations of chemical elements arranged into an ordered, crystalline form. All of Earth's rocks are built from different aggregations. You'll know some of the ...
An "amazing" new type of mineral has been discovered by scientists analysing a rock mined in Cornwall about 220 years ago. The dark green mineral has been named kernowite after Kernow, the Cornish ...