Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

How do you date the disappearance of something? That is what Curtin University geologist Milo Barham asked, summarizing the dilemma that has fascinated scientists for years as they try to solve the ...

Lincoln Minerals is expecting to begin a targeted geochronology program on samples from the Minbrie Copper and Base Metals Project.

High spatial resolution analysis of Pb and U isotopes for geochronology by laser ablation multi-collector inductively coupled plasma mass spectrometry (LA-MC-ICP-MS) ...

Please join us for the 2025 AGeS community symposium, which is intended to strengthen the geochronology community and its networks and will provide opportunities for senior scientists, early career ...

The emplacement mechanism of klippes along Longmen Shan foreland thrust belt has been long in debate. A pioneering study published in Science China Earth Sciences has unveiled critical insights ...

Although there are excellent estimates of ages of terrains on Mars from crater counting, even a few absolute ages would serve to validate the calibration. Results with uncertainties, although much ...

At Queen's University Belfast, researchers are transforming our understanding of Earth’s past climate through innovative methods to date and analyse sedimentary records. Central to this effort is ...

U-Pb GEOCHRONOLOGY The U-Pb geochronology data are presented in Table 3, and the results are discussed below. In general, on back-scattered electron (BSE) images, the Cachoeirinha CGM grains analyzed ...

Photon machines Photon Machines Analyte Excite 193nm UV laser with a Helex two-volume cell coupled to an Agilent 7900 ICP-MS. Sample introduced using an ARIS capillary via an (optional) in house ...

Chunks of Earth's primordial crust, or original crust, have been discovered deep underground in Australia. Rocks almost four-billion-years-old have been discovered near Collie, south or Perth, in ...