By McKenzie Harris: In the shadow of South Australia’s largest mountain range beneath the outback soil lies a fossil record that reveals a rich history of life on Earth. Fossils […]
Florida State University
Posted inAstrogeology, Extinction events, Press Release, Water/Hycean Worlds & Oceanography
Researchers Find Decrease In Molybdenum Preceded Ancient Mass Extinction On Earth
A decline in the element molybdenum across our planet’s oceans preceded a significant extinction event approximately 183 million years ago, new research from Florida State University shows.
Posted inExtinction events
Low Oceanic Oxygen And Sulfide Played A Greater Role In The Late Ordovician Mass Extinction
Florida State University researchers have new insight into the complicated puzzle of environmental conditions that characterized the Late Ordovician Mass Extinction (LOME), which killed about 85% of the species in […]
Posted inAtmospheres, Climate, Weather
Researchers Find Oxygen Spike Coincided With Ancient Global Extinction
Two hundred fifty-two million years ago, much of life on planet Earth was dying. In an event that marked the end of the Permian period, more than 96 percent of […]
Posted inPress Release, Water/Hycean Worlds & Oceanography
In Ancient Oceans That Resembled Our Own, Oxygen Loss Triggered Mass Extinction
Roughly 430 million years ago, during the Earth’s Silurian Period, global oceans were experiencing changes that would seem eerily familiar today. Melting polar ice sheets meant sea levels were steadily […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrogeology, Away Teams & Field Reports, Biosignatures & Paleobiology, Cryobiology, Dale Andersen's Field Reports, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Microbiology & Virology, Status Report
Dale Andersen’s 1996 Antarctic Field Research Photo Album Volume 3
Editor’s note: This is a revised version of the original website that was first posted – from Antarctica – in 1996.