1. Education
Send to a Friend via Email

Updated Articles and Resources

By Ada Lio

Updated Articles and Resources
  • When Metallomics Hit the Big Time Created: Tuesday, July 15, 2014 Updated: Tuesday, July 15, 2014
    Learn how geologists became interested in the young discipline of metallomics, the study of life through the essential metals in enzymes.
  • Signs of Sea Level in the Landscape Created: Tuesday, July 15, 2014 Updated: Tuesday, July 15, 2014
    Geologists can learn a lot about sea levels of the past by studying the landscapes of today.
  • Before You Buy a Rock Collection Created: Thursday, January 17, 2008 Updated: Monday, July 14, 2014
    Advice on what to look for in those 'candy boxes' full of little rocks.
  • Things About Earth That Make Me Go "Hmm" Created: Wednesday, May 21, 2014 Updated: Monday, June 30, 2014
    Two things about the planet that made me go 'Hmm' - the Anthropocene and the Grand Canyon.
  • The Expanding Earth Animation Created: Friday, August 13, 2010 Updated: Sunday, June 29, 2014
    The familiar expanding-Earth animation is an optical illusion based on a conceptual illusion.
  • Rocks I Took Back to Where I Got Them Created: Sunday, June 29, 2014 Updated: Sunday, June 29, 2014
    Readers tell about rocks that they put back, even years after collecting them.
  • The Promise and Pitfalls of Float Created: Saturday, June 28, 2014 Updated: Sunday, June 29, 2014
    Float - loose rocks in the soil - can yield useful geologic information in areas where the bedrock is hidden.
  • Earthquakes in a Nutshell Created: Wednesday, February 23, 2005 Updated: Friday, June 27, 2014
    Start here for the seismic basics: faults that cause earthquakes, types of seismic waves, damages they cause and more.
  • How to Identify Minerals in 10 Steps Created: Thursday, July 26, 2007 Updated: Friday, June 27, 2014
    Mineral identification starts with picking a good specimen.
  • Returning Rocks to Where They Came From Created: Saturday, June 21, 2014 Updated: Saturday, June 21, 2014
    Is it so strange to bring a stone back to the place I got it from?
  • Gemstones to Minerals, Minerals to Gemstones Created: Tuesday, January 10, 2012 Updated: Friday, June 20, 2014
    Big list of mineral names and their corresponding gemstone names.
  • Granitoids Created: Saturday, December 22, 2007 Updated: Wednesday, June 18, 2014
    How geologists sort out granite from the rocks that look like it.
  • Official State Gems Created: Tuesday, January 20, 2009 Updated: Wednesday, June 18, 2014
    Thirty-five states have official gemstones. Here they are, listed by state.
  • Pleistocene Fossils of the Fairmead Landfill Site Created: Saturday, May 25, 2013 Updated: Wednesday, June 18, 2014
    A major collection of Irvingtonian fossils is growing near Fresno.
  • Coal in the Home Created: Friday, January 28, 2005 Updated: Wednesday, June 18, 2014
    Americans don't burn coal at home any more, but it still works for much of the world.
  • About Geothermal Energy Created: Saturday, March 01, 2008 Updated: Tuesday, June 17, 2014
    Geothermal energy exploits the Earth's natural heat budget.
  • Black Minerals Created: Wednesday, September 12, 2012 Updated: Tuesday, June 17, 2014
    A guide to the most common and significant black minerals.
  • Landform Picture Index Created: Monday, January 02, 2012 Updated: Monday, June 16, 2014
    Find and see geological landforms at About.com Geology.
  • Minerals of the Earth's Surface Created: Saturday, August 20, 2005 Updated: Monday, June 16, 2014
    The thousands of minerals known in rocks become a mere handful at the Earth's surface.
  • How to Travel Like a Geologist Created: Friday, April 07, 2006 Updated: Monday, June 16, 2014
    With geo-safaris you bring back not trophies but knowledge to use at home.
  • Fossilized or Petrified? Created: Thursday, January 22, 2004 Updated: Monday, June 16, 2014
    What a petrified thing is as opposed to a fossilized thing.
  • Weathering Created: Monday, December 07, 2009 Updated: Monday, June 16, 2014
    A short description of weathering.
  • Current Earthquakes Created: Friday, February 29, 2008 Updated: Monday, June 16, 2014
    Directions to information and data from earthquakes as fast as possible.
  • About Salt Created: Sunday, February 26, 2006 Updated: Monday, June 16, 2014
    Salt pervades the Earth and seas and, not least, our lives.
  • Steno's Laws or Principles Created: Saturday, August 13, 2011 Updated: Monday, June 16, 2014
    Steno (Niels Stensen) first set forth some of the basic principles that all geologists follow.
  • Abrasive Minerals Created: Wednesday, November 19, 2003 Updated: Monday, June 16, 2014
    A survey of 9 mineral substances whose properties make them useful abrasives.
  • Asbestos in a Nutshell Created: Wednesday, February 15, 2006 Updated: Monday, June 16, 2014
    This mineral resource has been first a boon, then a bane in its century of commercial existence. Learn more about the minerals themselves.
  • Sediment Grain Size Categories Created: Saturday, February 14, 2009 Updated: Monday, June 16, 2014
    The grain sizes of sediments and sedimentary rocks are a matter of great interest to geologists. Here is a guide to sediment grades and grain sizes.
  • The Scandal of Coltan Created: Friday, February 17, 2006 Updated: Monday, June 16, 2014
    High prices for 'coltan' tantalum ore, essential for high-tech appliances, create devastation in central Africa.
  • Geo-Quiz 5: General Created: Friday, February 20, 2004 Updated: Monday, June 16, 2014
    Who wants to be a geo-whiz? The trivia game--subject: GENERAL." itemprop="description">
    1. Education
    • Share
    Send to a Friend via Email

    Updated Articles and Resources

    By

    W/${zTP}/${zTPd}_hi.txt" -...
  • Geologic Time Scale: Eons, Eras and Periods Created: Friday, February 17, 2012 Updated: Monday, June 16, 2014
    The periods of geologic time, part of the official geologic time scale.
  • Index Fossils Created: Friday, September 28, 2012 Updated: Monday, June 16, 2014
    The concept of index fossils is the very basis of geologic dating.

©2014 About.com. All rights reserved.