- How The Discovery Of Geologic Time Changed The Science World
In 1911 the discovery that the earth was billions of years old changed our view of the world forever. At the end of the 19th century, many geologists still believed the age of the Earth to be a few thousand years old, as indicated by the Bible, while other ...
Article - News Staff - Sep 13 2007 - 12:02am
- 'Skylights' In The Ceilings Of Martian Caves
A heat-sensitive camera flying on NASA's Mars Odyssey orbiter has led a team of Mars geologists to find seven small, deep holes on the flanks of Arsia Mons, a giant volcano on Mars. The holes may be openings, called skylights, in the ceilings of under ...
Article - News Staff - Sep 24 2007 - 3:24pm
- Not So Far Out: Did An Asteroid Kill The Woolly Mammoths?
What killed the wooly mammoths? Overhunting, climate change and disease lead the list of probable causes but a once-ridiculed theory is now being supported by an international team of scientists; namely that a comet or meteorite exploded over the planet ro ...
Article - News Staff - Sep 25 2007 - 1:30am
- Majorite: Oxygen Reservoir In The Earth's Mantle
If our planet did not have the ability to store oxygen in the deep reaches of its mantle there would probably be no life on its surface, according to scientists at the University of Bonn who have subjected the mineral majorite to close laboratory examinati ...
Article - News Staff - Sep 26 2007 - 3:04pm
- Ocean Drilling Could Hold Key To Understanding Earthquakes
One of the most ambitious earth science expeditions yet mounted to gain a better understanding of the earthquake process, has begun off the coast of Japan, involving geologists from the universities of Southampton and Leicester. Dr Lisa McNeill, of the Uni ...
Article - News Staff - Mar 24 2011 - 3:29pm
- India's Truncated Lithospheric Roots Only Half As Thick
50 million years ago the Indian sub-continent collided with the enormous Eurasian continent with a velocity of about 20 cm/year. With such a high velocity India was the fastest of the former parts of Gondwanaland, according to a report by a team of scienti ...
Article - News Staff - Oct 17 2007 - 5:05pm
- Earth's Interior Due To Chemical Diversity, Not Just Convection
Seismologists in recent years have recast their understanding of the inner workings of Earth from a relatively benign homogeneous environment to one that is highly dynamic and chemically diverse. This new view of Earth’s inner workings depicts the planet a ...
Article - News Staff - Oct 27 2007 - 6:19am
- Yellowstone Supervolcano Rising
Yellowstone is North America’s largest volcanic field, produced by a “hotspot” – a gigantic plume of hot and molten rock – that begins at least 400 miles beneath Earth’s surface and rises to 30 miles underground, where it widens to about 300 miles across. ...
Article - News Staff - Nov 8 2007 - 7:05pm
- Largest Mudslide Discovered Equal To Distance From London To Rome
An enormous submarine landslide that disintegrated 60,000 years ago produced the longest flow of sand and mud yet documented on Earth. The massive submarine flow travelled 1,500 kilometres – the distance from London to Rome – before depositing its load. De ...
Article - News Staff - Nov 21 2007 - 11:34pm
- Rising Tides Intensify Non-Volcanic Tremor In Earth's Crust
For more than a decade geoscientists have detected what amount to ultra-slow-motion earthquakes under Western Washington and British Columbia on a regular basis, about every 14 months. Such episodic tremor-and-slip events typically last two to three weeks ...
Article - News Staff - Mar 24 2011 - 3:39pm