Carbonate Systems (March 5 & 7)

Carbonate sediments are gifts of the sea, so let’s go there first. Maybe you’d like to stay in this nice little resort in Belize? NOAA has a wonderful website called “The Coral Kingdom” with many online photographs of reef animals and plants. Their National Underwater Research Program photo album is also very good. For that matter, visit the NOAA oceans page for links to extraordinary marine resources and images. The health of coral reefs is a great concern. Here’s a detailed USGS website which explores the hypothesis that airborne Saharan dust is devastating Atlantic and Caribbean coral systems. Let’s not forget all those wonderful ancient reefs as well. Everyone will want to visit “Jurassic Reef Park“. Apply your language skills to these reef pages in German.

Here’s a taste of our field research last summer in the Middle Jurassic carbonates of Utah. Evan and Anna will be there soon!

Remember: Osgood Lecture on March 5, 7:30 pm, Lean Lecture Room (required) — “Invasive species, mass extinctions, and biotic radiations: lessons for today from oceans of the past” (Dr. Alycia Stigall, Ohio University).

Don’t forget your first lab test this week (Thursday). It is entirely devoted to siliciclastic rocks.

I hope you enjoy your long Spring Break!

Pisolites in the Conococheague Limestone (Upper Cambrian) of eastern Pennsylvania. (Click to enlarge.)

Geology in the News –

Climate change is both threatening archaeological (and geological) sites and revealing new artifacts and rocks. I suppose we can conclude that there are some silver linings as the ice relentlessly retreats.

Nice images of dry river beds on Mars, showing direct evidence for its watery past. (We, of course, call them wadis.) Where all that water went is a mystery.

Did you know that two-thirds of known meteorites have been collected in Antarctica? You’ll see why after reading this recent account of a British expedition.

This entry was posted in Uncategorized. Bookmark the permalink.