Clipmarks | Geology Clips

Custom Essays

Wed, 11 Nov 2009 12:36:12 GMT

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how expansive soil affects foundations

Tue, 10 Nov 2009 14:20:20 GMT

clipped by: txfoundationrpr
clipper's remarks: excellent article from geology.com

Clip Source: geology.com

Expansive Soil and Expansive Clay

The hidden force behind basement and foundation problems

What is an "Expansive Soil"?

Expansive soils contain minerals such as smectite clays that are capable of absorbing water. When they absorb water they increase in volume. The more water they absorb the more their volume increases. Expansions of ten percent or more are not uncommon. This change in volume can exert enough force on a building or other structure to cause damage.

Tags: foundation repair, soil, expansive, geology

Research Papers

Sat, 07 Nov 2009 13:17:37 GMT

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Gender and Sexuality
Geography
Geology and Geophysics
History
Holocaust Studies
Hot Topics
International Relations
Labor Studies
Language
Latin-American Studies
Law
Linguistics
Literature
Mathematics
Medical & Health
Music Studies
Native-American Studies
Nutrition
Philosophy
Physics
Political Science
Psychology
Public Administration
Religion and Theology
Research Designs
Shakespeare
Sociology
Sport
Tourism
Women Studies

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Creating the rift

Thu, 05 Nov 2009 14:51:18 GMT

clipped by: denialll

Clip Source: www.foxnews.com

The crack, 20 feet wide in spots, opened in 2005. Some geologists believed then that it would spawn a new ocean. But that view was controversial, and the rift had not been well studied.

A new study involving an international team of scientists and reported in the journal Geophysical Research Letters finds the processes creating the rift are nearly identical to what goes on at the bottom of oceans, further indication a new sea is in the region's future.

Tags: geology

Recent Midwest Quakes Called Aftershocks from 1800s

Wed, 04 Nov 2009 21:41:29 GMT

clipped by: chestnut501

Clip Source: news.yahoo.com

Rachael Rettner
Staff Writer
LiveScience.com rachael Rettner
staff Writer
livescience.com – Wed Nov 4, 1:17 pm ET

The small earthquakes that sporadically rattle the central United States may actually be aftershocks from a few extremely large quakes that occurred in the region almost 200 years ago, according to a new study

AFP/File – File picture of a seismograph.

The New Madrid Earthquakes, which struck between December 1811 and February 1812, are some of the strongest seismic events ever to occur in the contiguous United States

The largest quake is estimated to have been 8.0 in magnitude and was powerful enough to temporarily make the Mississippi River flow backwards.

The heart of the seismic activity was near the town of New Madrid, Missouri,

The town has shaken with numerous earthquakes since,

the present-day temblors are getting smaller with time, which is a characteristic of aftershocks,

Tags: science, geology, earthquakes, united-states, midwest, research

geology #27 notes

Wed, 04 Nov 2009 20:42:12 GMT

clipped by: lilaznguylover

Clip Source: classes.geology.illinois.edu

Gas	Abundance
Nitrogen (N₂)	78%
Oxygen (O₂)	21%
Argon (Ar)	0.9%
Carbon Dioxide (CO₂)	0.04%
Others	<0.01%

The Highest Point on the Planet (It's Not Everest)

Mon, 02 Nov 2009 21:09:28 GMT

clipped by: EddieIsSteady

Clip Source: www.dailygalaxy.com

The Highest Point on the Planet (It's Not Mount Everest)

We all know that Mount Everest, at 29,035 feet above sea level, is the highest spot on our planet. Sir Edmound Hillary taught us that, right? Well, yes… that is unless we think about the word "highest" in a different way.

Think instead of that point on the planet closest to the moon and the stars, in other words to "out there."

According to Issac Newton, the centrifugal force of the Earth's spin will result in a slight flattening at the poles and bulging at the equator, which would make the planet slightly oblate. Mathematicians call this an "oblate spheroid," which means that anyone on the equator is already standing "higher," or closer to outer space, than people who aren't on the bulge.

The winner of the hightest point of Earth is Mount Chimborazo in Ecuador. Mount Chimborazo, in the Andes, is a 20,000-plus-foot peak sitting on top of a bulge on the Earth.

it is 1.5 miles higher than Everest!

Tags: mountains, geology

'Meteorite crater' - a hoax

Thu, 29 Oct 2009 13:53:13 GMT

clipped by: drgreenfingers

Clip Source: www.ananova.com

'Meteorite crater' - a hoax

Scientists say a crater in Latvia thought to have been caused by a meteorite was a hoax.

Experts in the Baltic country rushed to the site after reports that a metorite-like object had crashed in the Mazsalaca region near the Estonian border.

But after examining the site, Uldis Nulle, a scientist at the Latvian Environment, Geology and Meteorology Centre, said: "This is not a real crater. It is artificial."

Earlier, he said he believed the 27ft and 9ft deep crater might have been caused by a meteorite, reports Sky News.

He said: "My first impression is yes, it was a meteorite. All the evidence suggests this when compared to pictures of real meteorite craters."

However, geologist Dainis Ozols had already cast doubt on the meteorite theory after examining the hole.

When the crater was found, with burning material at the bottom, worried residents called emergency services.

Meteorite collapsed on the earth in Mazsalaca

Wed, 28 Oct 2009 15:55:25 GMT

clipped by: varshsanyal
clipper's remarks: Scientists investigating a large crater initially believed to have been caused by a meteorite said a closer analysis today revealed it was a hoax.Experts in the Baltic country rushed to the site after reports that a metorite-like object had crashed late last night in the Mazsalaca region near the Estonian border.

Clip Source: funzu.com

Meteorite collapsed on the earth in Mazsalaca

Scientists investigating a large crater initially believed to have been caused by a meteorite said a closer analysis today revealed it was a hoax.Experts in the Baltic country rushed to the site after reports that a metorite-like object had crashed late last night in the Mazsalaca region near the Estonian border. 'This is not a real crater. It is artificial,' Uldis Nulle, a scientist at the Latvian Environment, Geology and Meteorology Center, said after inspecting the site today. Earlier Uldis had said his first impression late last night was that the crater had been caused by a meteorite. He said there was smoke coming out of the hole when he arived.

Tags: meteorite, earth, scientists, amazing, country, mazsalaca

Volcanic Eruption Photography

Mon, 26 Oct 2009 22:49:35 GMT

clipped by: EddieIsSteady

Clip Source: amolife.com

Volcanic Eruption Photography

Karymsky volcano, Russia, Alexander Belousov

Arenal Volcano, Costa Rica, AnywhereCostaRica.com

Karymsky volcano, Russia, Alexander Belousov

Kluchevskoy volcano, Russia, Alexander Belousov

Volcano eruption in a thunderstorm

Arenal Volcano, Costa Rica

Kluchevskoy volcano, Russia, Alexander Belousov

Universe Today

Manam Island volcano eruption, Papua-New Guinea

Etna Volcano, Italy

Eruption of an underwater volcano in the South Pacific

Lascar volcano, Chile

Tags: photography, volcanoes, geology

Fungus feasted on mass extinction

Mon, 05 Oct 2009 15:28:07 GMT

clipped by: Socratoad

Clip Source: www.abc.net.au

Monday, 5 October 2009 Michael Reilly
Discovery News

The world's worst mass extinction 250 million years ago was the trigger for a fungus explosion, according to a new study.

The finding puts to rest the idea that an asteroid impact may have had a hand in the massive destruction (Source: iStockphoto)

All across the supercontinent Pangea, what were once lush forests lay in ruins: the corpses of trees poking like matchsticks into the poisoned air.

In their place fungus ruled the land, feasting on defunct wood, spreading across the planet in an orgy of decay.

The finding, published in the journal Geology, offers evidence against an alternative theory that rampant algae fed off the dead forests and puts to rest an old idea that an asteroid impact may have had a hand in the massive destruction.

Vile Vortices

Fri, 02 Oct 2009 16:29:27 GMT

clipped by: CrazyRedHead

Clip Source: www.deepinfo.com

Is the earth a gigantic crystal that resonates at 7 Hz with harmonic focal points at specific equidistant points?

Why are ancient Megaliths placed at specific equidistant points, such as Mohenjo-Daro, Cairo, Peru, Easter Island, Zimbabwe, and Borneo, to name a few.

Why are Positive Energy Vortices, such as in the Himalayas, Sedona (AZ), & the Incan culture situated where they are?

If the Earth is mapped out as a icosahedron (or duodecahedron) Grid, these are all equidistant geometric points (Vortices) of intersecting (Ley) lines. Note that the Vortices appear to originate from deep beneath the Earth's Crust, so they may be focused by underground water or mineral deposits to vary slightly from the exact dead center, sometimes with multiple surface areas of manifestation.

Algerian Megalithic Ruins

Devil's Sea

Findhorn, Scotland:

Megalithic structures at Sarawak

Zimbabwe Megaliths

Descriptions of the Energy Grid and its geometric points are at:
http://www.vortexmaps.com

Tags: science, history, archaeology, megaliths, mystery, geology

Clean Water

Tue, 29 Sep 2009 15:36:53 GMT

clipped by: aizwaikcha

Clip Source: seedmagazine.com

In a small village in the center of Gujarat, India, a society grows from clean water and satellite maps.

Water availability has become such an intractable problem in Gujarat that the chief minister has started a program of converting farmers to industries such as salt working.

After each monsoon, the village wells would fill up, indicating that the underlying aquifer here was rain-fed. The problem was that most of the monsoon rains were streaming off and disappearing before reaching the aquifer.

Jadeja approached scientists at the India Space Research Centre in Ahmedabad, who used satellite mapping to reveal the geology of the village,

Where a lineament appeared on the satellite maps, they dug down until the route to the aquifer was exposed. At the highest ground, relying on gravity, and where the lineaments ran, he created a catchment lake for the scanty monsoon rains.

And it works. The rainwater trickles down and fills the aquifer so that village wells are full throughout the year.

iPhone Geographic Information System (GIS)

Thu, 24 Sep 2009 12:32:46 GMT

clipped by: bobzebeam

Clip Source: www.gisuser.com

iPhone Geographic Information System (GIS) application released for Florida

Oakland, CA September 10, 2009 -- Integrity Logic today announced the release of Geology FL, the latest version of the GIS (Geographic Information System) for the iPhone platform, covering the state of Florida.

This release focuses on the physical geography and geology of the Sunshine state, and contains 24 layers of information, which can be superimposed, mixed and rearranged in any desired combination.

Geology FL is a completely self-contained application, which does not require any Internet access. This is critical for anyone who needs access to this information when out of cellular range, in the field.

Geology FL can use the iPhone's built-in GPS and the iPod's location service, and can also capture high-definitions maps, which can be retrieved from the device's photo album.

The application is available immediately in the Apple App Store and is priced at $4.99.

Environmental Geologist Jobs, Eco Training

Wed, 23 Sep 2009 07:38:55 GMT

clipped by: Greencollar
clipper's remarks: Green collar provides environmental geologist jobs. Environmental Geology is a multidisciplinary field of applied science, closely related to engineering geology and somewhat related to environmental geography.

Clip Source: www.greencollar.org

Tags: environmental geologist jobs, eco training