Updated Articles and Resources
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Provincial Time Terms
Created:
Sunday, May 19, 2013
Updated:
Sunday, May 19, 2013
Not all geologic time units are settled and universal. -
The JMA Earthquake Scale
Created:
Saturday, May 18, 2013
Updated:
Saturday, May 18, 2013
Details of the modern Japanese seismic intensity scale. -
The Comeback of Noah's Flood
Created:
Saturday, February 06, 2010
Updated:
Thursday, May 09, 2013
Once flame-war fuel in the 1800s, the bibilical flood story of Noah is now just another marvel of modern science. -
Geologic Gift Ideas
Created:
Saturday, October 21, 2006
Updated:
Thursday, May 09, 2013
A few suggestions for something to get your favorite geologist. -
The Rise of Erosion
Created:
Friday, March 31, 2006
Updated:
Thursday, May 09, 2013
This old standby of the old geology is back on today's scientific cutting edge. -
Connecticut Geology
Created:
Tuesday, March 14, 2006
Updated:
Thursday, May 09, 2013
Born-and-bred Westerners may find that Connecticut's laid-back landscape is way cool. -
A Research Cruise in Alaska, 1979
Created:
Thursday, September 15, 2005
Updated:
Thursday, May 09, 2013
Pictures, reminiscences and information about a research cruise by the USGS in 1979. -
A Day in the Mohawk Valley and Finger Lakes, New York
Created:
Friday, August 19, 2005
Updated:
Thursday, May 09, 2013
A day's drive from Albany to Ithaca and back covers the geology of the Mohawk Valley and Finger Lakes of New York. -
Torino Scale of Cosmic Impact Events
Created:
Sunday, April 24, 2005
Updated:
Thursday, May 09, 2013
The Torino Scale measures the magnitude of the threat to life on Earth from asteroid and cometary impacts. If we're lucky, it won't be used in our lifetimes. -
Volcanic Explosivity Index (VEI)
Created:
Friday, August 06, 2004
Updated:
Thursday, May 09, 2013
The Volcanic Explosivity Index presented by your About Geology Guide. -
Earthquake Intensity Scales Compared
Created:
Friday, August 06, 2004
Updated:
Thursday, May 09, 2013
A table showing how the various earthquake intensity scales stack up against each other -
Quincy Quarries, Norfolk County
Created:
Sunday, May 05, 2013
Updated:
Sunday, May 05, 2013
A selection of Massachusetts' geological attractions. -
The Expanding Earth Animation
Created:
Friday, August 13, 2010
Updated:
Sunday, May 05, 2013
The familiar expanding-Earth animation is an optical illusion based on a conceptual illusion. -
Are there real magnetic and gravity effects at "mystery spots"?
Created:
Saturday, February 07, 2004
Updated:
Sunday, May 05, 2013
Some roadside attractions claim strange geophysical effects, but those claims are hokum. -
Holes in Rocks
Created:
Friday, December 28, 2012
Updated:
Wednesday, May 01, 2013
Geologists have named a variety of holes. -
Why Don't More Rocks Have Fossils?
Created:
Tuesday, April 30, 2013
Updated:
Tuesday, April 30, 2013
How can sedimentary rocks exist with no sign of ancient life in them? -
Oolitic Limestone
Created:
Sunday, April 28, 2013
Updated:
Sunday, April 28, 2013
Some limestone preserves the ooids from the tropical seafloor. -
Limestone Gallery
Created:
Friday, April 28, 2006
Updated:
Sunday, April 28, 2013
Examples of limestone and its features. -
How the Planet Is Powered
Created:
Sunday, April 28, 2013
Updated:
Sunday, April 28, 2013
Radioactivity turned Earth from passive to active. -
Mapping Deep Time: About Geologic Time
Created:
Wednesday, February 02, 2005
Updated:
Sunday, April 28, 2013
How we learned to keep track of geologic time without using clocks or numbers. -
Radioisotopes from Space
Created:
Monday, May 05, 2008
Updated:
Sunday, April 28, 2013
Closing in on radiocarbon discrepancies through the space program pays off in knowledge about the Earth. -
The Mountain Problem
Created:
Saturday, April 28, 2007
Updated:
Sunday, April 28, 2013
A century of geologic progress has changed our textbook picture of mountains. -
About Magma
Created:
Friday, October 26, 2012
Updated:
Sunday, April 28, 2013
About the molten stuff from which all rocks arise. -
Carbon Sequestration
Created:
Friday, March 28, 2008
Updated:
Saturday, April 27, 2013
Putting greenhouse gases into the ground is a promising technology -
The 2001 NRC Report - A Gut Check on Climate Change
Created:
Wednesday, May 02, 2007
Updated:
Saturday, April 27, 2013
The National Research Council's June 2001 special report to the Bush Administration is a very good thing. -
The Day After Tomorrow
Created:
Thursday, May 27, 2004
Updated:
Saturday, April 27, 2013
What's praiseworthy about this climate-change blockbuster is that it has a real villain, not Godzilla. -
The Deep Present
Created:
Saturday, August 04, 2012
Updated:
Saturday, April 27, 2013
Geology's deep-time approach allows us to achieve a deep present. -
Global Warming in a Nutshell 1: Climate Forcings
Created:
Saturday, July 23, 2005
Updated:
Saturday, April 27, 2013
A skeleton key to the enormous topic of global warming or climate change. -
Doing Something About the Climate
Created:
Saturday, April 27, 2013
Updated:
Saturday, April 27, 2013
What a difference a century makes when it comes to understanding the global climate. -
How Geologists Use Their Five Senses
Created:
Thursday, April 25, 2013
Updated:
Thursday, April 25, 2013
Sensory techniques in the geologist's armamentarium. -
Pholad Borings
Created:
Thursday, April 25, 2013
Updated:
Thursday, April 25, 2013
Pholad bivalves are significant eroders of beach rocks. -
Natural Asphalt
Created:
Wednesday, March 04, 2009
Updated:
Thursday, April 25, 2013
Natural asphalt is one of the major types of sedimentary rocks.
