Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...
Pacific absolute plate-motion change as obtained from a hotspot reference frame (red; from Wessel and Kroenke (2008)) versus as obtained from RPM analysis (blue; fixed Eurasia plate). Map shows the 30 ...
Mg isotope compositions of some typical geological standard samples measured by the DS method and the SSB method in different laboratories. The sample-standard-bracketing (SSB) method and double-spike ...
World's largest iron ore deposit found to date transforms theories about ore formation and should generate trillions of ...
The "lead method," involving the determination of the ratio of Pb to U+Th by chemical analysis, and its correction for "common" Pb content by measurement of ratios of the Pb isotopes is the most ...
If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...