Geology

  1. Home
  2. Education
  3. Geology
photo of Andrew Alden

Andrew's Geology Blog February 2004 Archive

By Andrew Alden, About.com Guide to Geology since 1997

Geo-Cams

Saturday February 28, 2004
If you haven't seen the Geo-Cams list, it's time to take a look--live Web cameras are trained on geologically interesting locations around the world. It's time NOW because I've checked ... Read More

Mars on Earth

Wednesday February 25, 2004
Perhaps the most Mars-like place on Earth is Chile's Atacama Desert. A fine article in the new Wired is a first-person report from a research expedition to this extremely dry ... Read More

Earthquake in Morocco

Tuesday February 24, 2004
Early today (2:27 local time) a shallow strike-slip earthquake of magnitude 6.4 struck northeastern Morocco. Several hundred people have died. See the seismic hazard map of the region. The U.S. ... Read More

Wine Country Geology

Tuesday February 24, 2004
One of my fondest geological memories is the day I spent touring Napa Valley rocks and wineries in the company of a group of geologists (read the article, A Day ... Read More

Cave Mountain, California

Monday February 23, 2004
I used to call these Peaks of the Week, but now they're irregular occasions. Anyway, today we have a new mountain in the gallery, from the Mojave Desert. If you've ... Read More

"Tanking in Kamchatka"

Friday February 20, 2004
When John Garver of Union College in Schenectady NY went to do fieldwork in far eastern Siberia in 2001, the plane trip across 17 time zones was only the beginning. ... Read More

Restoring Scientific Integrity

Thursday February 19, 2004
The Union of Concerned Scientists has issued a 46-page report making a case that the Bush administration has seriously distorted the use of science in making policy. Here's the top ... Read More

Colorado Marble

Tuesday February 17, 2004
You have probably seen Colorado marble, specifically the Yule Marble, a high-quality white stone used in the Lincoln Memorial, many other buildings, and sculpture. (The state Geological Survey has just ... Read More

It's Poetry Day

Saturday February 14, 2004
We all have our individual sweeties to honor today, but let's spare an affectionate thought for this fine planet we inhabit, too. With that in mind I've opened a new ... Read More

Record-age insect fossil

Wednesday February 11, 2004
The Rhynie Chert comes through again. This body of silicified sediment in Scotland, some 400 million years old, is a lagerstatte—a "universal graveyard" where even delicate and microscopic fossils are ... Read More

Martian crumbcake

Tuesday February 10, 2004
I just can't get over the bedrock close-ups from the Opportunity rover. (Go here for the big version.) To me the rock still looks more like volcanic ashfall than waterlaid ... Read More

The ultimate evolution site

Monday February 9, 2004
Is there one? Maybe there was when the talk.origins archive was new, but today there are several contenders. The latest one is Understanding Evolution, aimed at teachers. Not just a ... Read More

A reader asks . . . (#9 in a series)

Saturday February 7, 2004
Are there real magnetic and gravity effects at "mystery spots"? Read more...

The Cable Science Network

Friday February 6, 2004
This doesn't exist yet, but it should: the Cable Science Network or CSN. A flurry of interest rose when Scientific American mentioned it a few months ago, but not much ... Read More

Mantleplumes update

Wednesday February 4, 2004
Mantleplumes.org, the iconoclastic site where researchers share papers arguing against the mantle-plume theory, has gotten user-friendlier. Less than a year old, mantleplumes has a large amount of content including the ... Read More

The world's weirdest volcano

Tuesday February 3, 2004
Sometimes on busy rainy days, I wish I were off on a real adventure like climbing Oldoinyo Lengai. That's the unique volcano in the remote African Rift Valley that erupts ... Read More

Hematite on Mars

Sunday February 1, 2004
The Opportunity lander has confirmed the presence of hematite from its infrared color, that is, the spectrum recorded by the rover's thermal emission spectrometer (TES). Look at the global map ... Read More

Become prepared

Sunday February 1, 2004
What better thing to do this afternoon than take one step at a time on your earthquake preparedness list? In fact, why not start the list, based on the resources ... Read More

Discuss

Community Forum

Explore Geology

About.com Special Features

Geology

  1. Home
  2. Education
  3. Geology

©2009 About.com, a part of The New York Times Company.

All rights reserved.