olelog

I've been putting together this photo introduction to the geology of the California coast, and I realized that the Franciscan is the key to it all. Northern California is defined...

Not long ago, the mountains of California were on fire. This week, they're sending mudslides down on the villagers. Those two things are not always just a coincidence, because fires...

Not long ago, the mountains of California were on fire. This week, they're sending mudslides down on the villagers. Those two things are not always just a coincidence, because fires...

You often hear that only a diamond exhibits the optical quality called fire. Fire means more than just flashing in the light; it means flashing with many colors. The effect...

Okmok is a beautiful caldera on Umnak, in the Aleutian Islands, that has begun to erupt after taking a break for 11 years. The Alaska Volcano Observatory is following Okmok's...

Isen omkring Nordpolen forsvinder hurtigere, end selv de mest skeptiske...

Det svenske Vattenfall overtog tre danske kulfyrede kraftværker –...

I Sverige har en mineralsamler fundet de første svenske diamanter...

Dig og klimaet Informationscenter for Miljø og Sundhed har i dag (1....

Jordskred, som det der onsdag aften rev 400 meter af motorvej E6 og 300 meter...

Back in Bozeman again after a great four day stint in Yellowstone National Park. I was up in the Lamar Valley ("Serengeti of North America"), checking out megafauna as part of my " Wildlife Ecology of the Greater Yellowstone Ecosystem " course. The hyper-enthusiastic course instructor, Dave Willey, ...

This map, produced by Google analytics, shows the countries where Earthlearningideas have been viewed. The darker the shading, the more visits to the site. The blog has been visited 6190 times since it began in May last year and we have reached 101 countries. The activities are available in English ...

This is pretty cool: The Periodic Table of Videos .Thanks to Alan W. for the link!

I haven’t done a roundup of goings-on in the geoscience blogging world in a long time. There’s a lot of good stuff out there these days. Here is but a small sampling: -   Olelog has a great post about the Cretaceous oceanic anoxic events . -   MJC Rocks continues his series on the Colorado P ...

Oceanic anoxic events or Anoxic events occur when the Earth's oceans become completely depleted of oxygen (O 2) below the surface levels. Detailed stratigraphic studies of Cretaceous black shales from many parts of the world have indicated that two Oceanic Anoxic Events were particularly significant ...