[AAAS] Ancient sea-level changes provide new evidence that during the Jurassic and Cretaceous, Earth underwent episodes of rapid “true polar wander” (TPW).
Jurassic
Posted inBiogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extinction events, Fossils & Paleontology, Gaia - Planetary Perspectives, Press Release
Ocean’s Loss of Oxygen Caused Massive Jurassic Extinction. Could it Happen Again?
Researchers have discovered a clue in Italian limestone that helps explain a mass extinction of marine life millions of years ago, and may provide warnings about how oxygen depletion and […]
Posted inAstronomy & Telescopes, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
Jurassic Worlds Might Be Easier To Spot Than Modern Earth
Things may not have ended well for dinosaurs on Earth, but Cornell University astronomers say the “light fingerprint” of the conditions that enabled them to emerge here provide a crucial […]
Posted inPress Release, Water/Hycean Worlds & Oceanography
Fossil Site Shows Impact of Early Jurassic's Low Oxygen Oceans
Using a combination of fossils and chemical markers, scientists have tracked how a period of globally low ocean-oxygen turned an Early Jurassic marine ecosystem into a stressed community inhabited by […]
Posted inOrigin & Evolution of Life, Water/Hycean Worlds & Oceanography
Earliest Jurassic Corals Discovered
Five times in Earth’s history mass extinction events have wiped out up to 90 percent of global life. University of Montana doctoral student Montana Hodges and geosciences Professor George Stanley […]