News tagged with geochemistry

Research team claims to have found evidence Lake Cheko is impact crater for Tunguska Event

(Phys.org) -- Early on the morning of June 30th, 1908, a huge explosion occurred in a remote part of Siberia near the Podkamennaya Tunguska River. So great was the blast that trees were knocked down in neat ...

Space & Earth / Earth Sciences

created May 21, 2012 | popularity 4.5 / 5 (24) | comments 20 | with audio podcast report

Water treatments alone not enough to combat fluorosis in Ethiopia

Increased intake of dietary calcium may be key to addressing widespread dental health problems faced by millions of rural residents in Ethiopia's remote, poverty-stricken Main Rift Valley, according to a new Duke University-led ...

Space & Earth / Environment

created Apr 26, 2012 | popularity not rated yet | comments 3

Fossilized plant matter points to desertification near Tibetan Plateau

Roughly 22 million years ago, at the onset of the Miocene, the Tibetan Plateau started to lift upward. The rising land curbed the flow of moist air from the south, sparking the onset of central Asian desertification. Or, ...

Space & Earth / Earth Sciences

created Apr 23, 2012 | popularity not rated yet | comments 0

Nationwide radium testing of groundwater shows most susceptible regions: Central US and East Coast

Groundwater in aquifers on the East Coast and in the Central U.S. has the highest risk of contamination from radium, a naturally occurring radioactive element and known carcinogen.

Space & Earth / Environment

created Feb 15, 2012 | popularity not rated yet | comments 0

Lava rocks from three continents and oceanic plateau traced to same lava plume

(PhysOrg.com) -- The Sylhet Traps lava flows of the Shillong Plateau in northeastern India lie some 340 miles to the east of the Rajmahal Traps at the bend of the Ganges River as it flows south to the Bay ...

Space & Earth / Earth Sciences

created Aug 19, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Cold case: Siberian hot springs reveal ancient ecology (w/ video)

(PhysOrg.com) -- Exotic bacteria that do not rely on oxygen may have played an important role in determining the composition of Earth's early atmosphere, according to a theory that UChicago researcher Albert ...

Space & Earth / Earth Sciences

created Apr 26, 2011 | popularity 4.9 / 5 (12) | comments 0 | with audio podcast

Did clay mould life's origins?

(PhysOrg.com) -- An Oxford University scientist has taken our understanding of the origin of life a step further.

Chemistry / Biochemistry

created Apr 04, 2011 | popularity 4.7 / 5 (22) | comments 27 | with audio podcast

NASA releases picture of Mercury's surface (Update)

NASA on Tuesday released the first picture taken of Mercury's surface by the US space agency's orbiting Messenger craft.

Space & Earth / Space Exploration

created Mar 30, 2011 | popularity 4.7 / 5 (14) | comments 12

Mars meteorite controversy continues

The most illustrious meteorite in history continues to inspire heated debate. Does it carry microbial fossils from Mars or are its strange features just the product of some unique geochemistry? After almost ...

Space & Earth / Space Exploration

created Oct 22, 2010 | popularity 4.8 / 5 (16) | comments 6 | with audio podcast

Using bacteria in oil wells to convert oil to natural gas

Some bacteria destroy oil. Might those bacteria lead oil companies to change their methods of harvesting the energy of the oil while at the same time reducing the carbon dioxide that burning oil and gasoline discharges into ...

Space & Earth / Earth Sciences

created Jun 17, 2010 | popularity 3 / 5 (2) | comments 0

Geochemist raises questions about carbon sequestration

As carbon dioxide levels in the atmosphere rise, policy makers and scientists are looking at new ways to tackle the problems associated with the greenhouse gas.

Space & Earth / Environment

created Jun 16, 2010 | popularity 3 / 5 (6) | comments 4

Fresh insight into the origins of Planet Earth

For the first time, an international team of researchers has incorporated extensive geochemical data on the formation of Earth into a model - with surprising results: more models can be used for the process ...

Space & Earth / Earth Sciences

created Jun 03, 2010 | popularity 4.3 / 5 (6) | comments 5

Argonne scientists seek natural remediation for uranium-rich sites

While most of us are focused on life above ground, scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory are trying to understand the drama unfolding beneath our feet.

Space & Earth / Environment

created Mar 19, 2010 | popularity 5 / 5 (4) | comments 1

Study reveals ancient rocks linked to old Earth's crust

(PhysOrg.com) -- A new geological study which took place in the Pilbara region of Western Australia brings us one step closer to understanding more precisely the timing of when the primordial earth crust was ...

Space & Earth / Earth Sciences

created Feb 24, 2010 | popularity 4.9 / 5 (8) | comments 6 | with audio podcast

Volcanic hazard map produced for island of Gran Canaria

Spanish and French researchers have defined the age, location, size and geochemistry of the volcanoes of Gran Canaria during the Holocene, 11,000 years ago, in order to draw up a map of volcanic hazards for ...

Space & Earth / Earth Sciences

created Jan 19, 2010 | popularity 5 / 5 (1) | comments 0

Geochemistry

The field of geochemistry involves study of the chemical composition of the Earth and other planets, chemical processes and reactions that govern the composition of rocks, water, and soils, and the cycles of matter and energy that transport the Earth's chemical components in time and space, and their interaction with the hydrosphere and the atmosphere.

Some subsets of geochemistry are:

Victor Goldschmidt is considered by most to be the father of modern geochemistry and the ideas of the subject were formed by him in a series of publications from 1922 under the title ‘Geochemische Verteilungsgesetze der Elemente’ (geochemical laws of distribution of the elements).

For more information about Geochemistry, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.