What exactly triggers the increase in carbon dioxide concentrations that causes the transition from a glacial stage to a warm stage is not fully understood. Scientists have developed a new model in ...

Volume expansion reactions involved in mineral–fluid interactions are linked to a number of geological processes, including silicate weathering, retrograde metamorphism, and mineralization. However, ...

Don’t be fooled. Even with your untrained eye for precious metals, you can use visual cues and a few simple tests to determine whether your metallic yellow find is pyrite vs. gold. Dubbed “fool’s gold ...