Renne secured chunks of lava from the Siberian Traps and Permo-Triassic boundary rocks from China. He has determined the two events occurred within 100,000 years of each other. Renne doubts that's ...

Using lithium (Li) isotope analyses, researchers report light seawater lithium-isotopic signatures from sedimentary rocks in South China at the Permian-Triassic boundary, which marks a severe mass ...

Nestell said this phenomenon has never been reported although sequences of rocks that cross this important Permian-Triassic boundary have been studied in Iran, Hungary, China, Turkey, Slovenia and ...

Bowring sampled rocks from this area, ... With this knowledge, Bowring and his colleagues reanalyzed rock samples collected from five volcanic ash beds at the Permian-Triassic boundary.

The mass extinction at the Permian–Triassic boundary, 251 million years (Myr) ago, is accepted as the most profound loss of life on record1,2,3. Global data compilations indicate a loss of 50% ...

Stratigraphy and sulfur isotopes for the Meishan section, China, across the Permian-Triassic boundary. Credit: Li et al. 2024.

A pair of Ammonite fossils, about 4 inches across, within a limestone bed very close to the Permian-Triassic boundary. Photo: Seth Burgess About 252 million years ago, cracks in the Earth's crust ...

Nestell said this phenomenon has never been reported although sequences of rocks that cross this important Permian-Triassic boundary have been studied in Iran, Hungary, China, Turkey, Slovenia and ...