Tags » Permian

Mid-Permian extinction of animals, new study

This 2013 video says about itself:

Animal Armageddon The Great Dying – Episode 5

The Permian-Triassic extinction event, informally known as the Great Dying, was an extinction event that occurred 252 million years ago, forming the boundary between the…

490 more words

Shale oil boom goes bust as expected production dips for first time in years

The U.S. shale oil boom that powered the country’s highest crude oil production levels in decades appears to be slowing down due, in part, to a glut of supplies. 282 more words


Ocean acidification and the end-Permian mass extinction

About one third of the carbon dioxide released by anthropogenic activity is absorbed by the oceans. But the CO2 uptake lowers the pH and alters the chemical balance of the oceans. 636 more words

Asteroids and Extinctions

Earlier this month (March 2015) researchers from the Australian National University’s Archaeology and Anthropology Department announced the discovery of the largest ever asteroid impact site. The site itself is 400km wide and evidence suggests that it was formed when a gigantic asteroid split into two shortly before hitting the Earth’s surface. 1,144 more words


In Memoriam, Paleozoic

Alfred, Lord Tennyson, wrote his poem “In Memoriam AHH,” in response to the death of his friend Arthur Henry Hallam. Several cantos consider the bleak lessons of paleontology – not just the myriads of deaths, but the specter of extinction. 472 more words

When Life Almost Died

Friday, 13th of March, 252 Million Years Ago

The most famous mass extinction is the one that killed the dinosaurs. (Check it out on Logarithmic History, April 6). 287 more words

The Hockey Stick, in context

I did a double take when I saw the Scientific American headline “CO2 levels for February eclipse prehistoric highs”. I knew we were past 380 ppm, but I didn’t quite think we had pushed our planet to above the Ordovician 5,600 ppm record. 1,854 more words

Courtney Van Stolk