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Minerals in Biological News

Beetle shell inspires brilliant white paper

... in a completely new way. A team from Imerys minerals Ltd. and the University of Exeter has taken ... research by the University of Exeter and Imerys minerals Ltd., published in leading journal Science, ... and industries. Benny Hallam of Imerys minerals Ltd. continued: "It is interesting to consider ...

Great Lake's sinkholes host exotic ecosystems

... Groundwater from beneath Lake Huron is dissolving minerals from the defunct seabed and carrying them into ... and their team are probing the origins of ancient minerals flowing in from beneath this fresh inland sea, striving to understand how long ago the minerals were deposited that are now entering the lake and ...

USGS Science Picks

... why mistletoe is not just for kissing or what minerals make up your holiday lights? In this edition of ... holiday lights are made with these and other minerals from around the world. The world's supply of minerals such as salt, manganese and lime lights up the ...

Deep biosphere research points to new methods for recovering petroleum

... involving organic compounds, water, and common minerals found in sedimentary rocks such as iron oxides ... time, and are strongly influenced by contact with minerals during the experiments. "It will be important ... mechanisms, and organic characterization, to clay minerals and high-temperature/pressure experiments. Many ...

October 2008 GEOLOGY and GSA TODAY media highlights

... received. The oxygen isotopic composition of minerals precipitated by surface waters has been used in ... Such studies generally assume that these minerals were formed at, or at least near, the site of the ... fluids are undersaturated with respect to gold minerals and precious metal concentrations in the parent ...

Scientists break record by finding northernmost hydrothermal vent field

... water as hot as 570 F. Dissolved sulfide minerals that solidify when vent water hits the icy cold ... with white mats of bacteria feasting on the minerals emitted by the vents. Older chimneys are mottled ... coming near fiery magma and picking up heat and minerals until the water vents back into the ocean. The ...

AGU journal highlights -- July 23, 2008

... mineral layers offer tempting clues Clay minerals such as montmorillonite and other smectites have ... et al. additionally identify kaolinite and oxide minerals such as hematite in the Mawrth Vallis outcrops and find that these diverse minerals occur in distinct stratigraphic horizons, ...

Fungi have a hand in depleted uranium's environmental fate

... in effecting transformations of metals and minerals in the natural environment, said Geoffrey Gadd of ... pose some threat, he said, The fungal-produced minerals are capable of long-term uranium retention, so ... leads to the formation of the new uranium minerals that get deposited around the fungal biomass. ...

'Nanominerals' influence Earth systems from ocean to atmosphere to biosphere

... The way in which these infinitesimally small minerals influence Earth's systems is more complex than ... and points to the need for future research." minerals have an enormous range of physical and chemical ... of manganese, resulting in the rapid formation of minerals that absorb heavy metals in water and soils. The ...

March GEOLOGY and GSA TODAY media highlights

... finely bedded lower unit exhibiting clay minerals was probably deposited in a long-lived lake ... iron-bearing materials is challenging because the minerals are extremely fine grained, generally down to ... anomalous diamond deposits. Studies of associated minerals show the newly recognized diamond-bearing rocks ...

Building blocks of life formed on Mars

... life on Earth. By analyzing organic material and minerals in the Martian meteorite Allan Hills 84001, ... material occurs within tiny spheres of carbonate minerals in both the Martian and Earth rocks, explained ... event produced organic material from carbonate minerals during impact ejection of ALH 84001 from Mars. ...

University-industry team developing coal cleaning technology in India

... and Nicholas T. Camicia Professor of mining and minerals engineering at Virginia Tech. By using ... School of Mines University. Ash-forming minerals are finely disseminated in Indian coals, making ... G.H. Luttrell, the Massey Professor of mining and minerals engineering at Virginia Tech. ...

October Geology and GSA Today media highlights

... 903-906. Gold deposits and other valuable minerals are commonly located close to bends or gaps in ... Evidence for a sedimentary origin of clay minerals in the Mawrth Vallis region, Mars Joseph R. ... California 92121, USA. Pages 951-954. Clay minerals detected spectroscopically in the Mawrth Vallis ...

Omega-3 fatty acids appear to impact AMD progression

... containing the antioxidants vitamins C and E and beta carotene, the minerals zinc and copper, or a combination of both. "In our study, we observed ... it appears that the high-dose supplements of the antioxidants and/or the minerals somehow interfered with the benefits of DHA against early AMD ...

New study finds lowfat chocolate milk is effective post-exercise recovery aid for soccer players

... muscle damage. Milk also provides fluids for rehydration and minerals like calcium, potassium and magnesium that recreational exercisers and ... bout. Sweating not only results in fluid losses, but also important minerals including calcium, potassium and magnesium. The best recovery routine ...

A dirty job but ...

... to and whisks dangerous materials away from the soil, leaving desirable minerals intact. "My colleagues have developed a system that literally washes ... to keep in the soil. We don't want to kill them or remove the beneficial minerals and metals. Our advanced solution keeps all these factors in mind," he ...

Common soil mineral degrades the nearly indestructible prion

... or ticks to spread from animal to animal. That the birnessite family of minerals possessed the capacity to degrade prions was a surprise, Pedersen says. ... seasonally waterlogged or poorly drained. "A variety of manganese oxide minerals exist and one of the most common is birnessite. They are common in the ...

December 2008 Geology and GSA Today media highlights

... analysis of the small aliquots of the fluids that are commonly trapped in minerals during their formation. Comprehensive chemical analysis of such fluid ... sandstone-shale sequence. However, local concentrations of secondary minerals normally produced when pyrite oxidizes show that high concentrations of ...

Soil Science Society of America presents 2008 fellows

... editor for Soil Science Society of America Journal and Clays and Clay minerals and he is active in both the Soil Science Society of America and the Clay minerals Society. R. Richard Lowrance, USDA-ARS Southeast Watershed Research ...

Sensitive laser instrument could aid search for life on Mars

... program, the researchers have done previous studies showing that minerals like halite and jarosite yield distinct ion patterns when organic ... surface -- has yielded poor results so far. "The wider the variety of minerals we test, the larger the suite we can target on Mars," says collaborator ...

July 2008 GEOLOGY and GSA Today media highlights

... that can carry diamonds to the surface--bring up samples of rocks and minerals from the ancient continental roots, 100-200 kilometers beneath Earth's ... of this otherwise inaccessible part of Earth. Chemical fingerprinting of minerals in these deep roots has revealed dramatic changes in the composition and ...

What's in your soil?

... is more critical than ever because of the important linkages between soil minerals and soil behavior, including the response of soils to changing land use and the fate and transport of contaminants in the environment. Soil minerals exert a primary control over nutrient cycling and influence microbial ...

El Niño affected by global warming

... same time as a warming of the Earth. Complementary analyses on certain minerals contained in the sediment samples confirmed that these minerals were transported by the winds from the continent. Therefore the ...

Coral reefs unlikely to survive in acid oceans

... acid, the same acid that gives soft drinks their fizz, making certain minerals called carbonate minerals dissolve more readily in seawater. This is especially true for aragonite, ...

Planting carbon deep in the earth -- rather than the greenhouse

... the water that was pumped out with it was analysed and this showed that minerals had grown and dissolved as the water travelled through the field. (1) ... CO2 is injected underground we hope that it will react with the water and minerals there in order to be stabilized. That way it spreads into its local ...

November GEOLOGY and GSA TODAY Media Highlights

... world), Canada, is caused by sulfuric acid from the oxidation of sulfide minerals in the rocks underlying the catchment. Calmels et al. have shown that this ... holes of less than 0.1 mm in diameter, Paton et al. targeted particular minerals (perovskites) within the rock that are virtually immune to these ...

e-Science points to pollution solutions

... between these contaminants and rock or soil. Arsenic often appears in minerals rich in iron and sulphur, such as pyrite (fools gold). Scientists working ... performing numerous simulations of the interactions between the different minerals in soil and rock with all the known variants of the contaminants. For ...

Urban water ecology at the ESA annual meeting

... stream in Atlanta, but rarely in a nearby clean stream. They also found that mosquitoes were largest in streams with high levels of organic minerals in this case, nitrogen and phosphorous that originated from the sewage treatment plants. Likewise, in laboratory experiments, mosquitoes reared in ...

August 2009 Geology and GSA Today media highlights

... could be uniquely identified with reflectance spectroscopy. Such information can be used to prepare or refine maps of areas that may contain minerals that can be asbestiform, such as serpentine and amphiboles, which were the focus of the study by Swayze et al. Although thick vegetation can conceal ...

Extraterrestrial platinum was 'stirred' into the Earth

... research is reported in a Nature paper titled "Progressive mixing of meteoritic veneer into the early Earth's deep mantle". Report author CSIRO minerals Down Under Flagship researcher Dr Stephen Barnes said the study group collected a large body of data on the platinum content of lava flows called ...

Earliest animals lived in a lake environment, research shows

... analysis using X-ray diffraction, and collecting and analyzing other types of geochemical data. "All our analyses show that the rocks' minerals and geochemistry are not compatible with deposition in seawater," Bristow said. "Moreover, we found smectite in only some locations in South China, ...

2000-year-old statue of an athlete sheds light on corrosion and other modern challenges

... it also proved to be an unexpected boon to scientists trying to understand biomineralization. That's the process in which animals and plants use minerals from their surroundings and form shells and bone. Apoxyomenos was encrusted with such deposits. "As studies of long-term biofouled manmade ...

Better living through chemistry

... area--from dancing eels that seemed to follow the window of the moving submersible, to a 50-foot wide volcano crater that was filled with a sulfur minerals and a reddish-colored microbial ooze. "These are the kind of scenes I imagine could exist on distant planets or other astronomical bodies," said ....

Stanford scientists find new solutions for the arsenic-poisoning crisis in Asia

... readily dissolves in water. "As these sediments get buried very rapidly, the bacteria go through an anaerobic metabolism that dissolves the iron minerals and the arsenic with it," Fendorf said. "The arsenic goes into the water and the problem starts." The results, published in the journal Nature , ...

Diabetics on high-fiber diets might need extra calcium, report UT Southwestern researchers

... both diets so that they contained the same number and proportion of calories from carbohydrates, fats and proteins, as well as an equal amount of minerals such as calcium, phosphorous, magnesium, sodium and potassium. The high-fiber diet included numerous fiber-rich foods including cantaloupe, ...

NASA researchers find clues to a secret of life

... team also found a pattern to the excess. Different types of meteorites had different amounts of water, as determined by the clays and water-bearing minerals found in the meteorites. The team discovered meteorites with more water also had greater amounts of left-handed isovaline. "This gives us a hint that ...

Study suggests salt might be 'nature's antidepressant'

... for salt. Humans evolved from creatures that lived in salty ocean water. Once on land, the body continued to need sodium and chloride because minerals play key roles in allowing fluids to pass in and out of cells, and in helping nerve cells transfer information throughout the brain and body. But as ...

Geologists map rocks to soak CO2 from air

... the U.S. Geological Survey, shows 6,000 square miles of ultramafic rocks at or near the surface. Originating deep in the earth, these rocks contain minerals that react naturally with carbon dioxide to form solid minerals. Earth Institute scientists are experimenting with ways to speed this natural ...

Ultra-fine coatings on sediment grains influence nitrate and sulfate storage in soil

... Madison, WI, February 24, 2009 | Tiny sediment grains are covered with a very fine-grained, complex mixture of minerals in an open fabric that results in a large surface area in contact with water between the grains. Scientists at the U.S. Geological Survey (USGS) are ...

Marine scientists to assess environment before offshore drilling begins in US arctic waters

... AUSTIN, TexasThrough a $2.9 million, three-year grant from the minerals Management Service (MMS), a team led by University of Texas at Austin marine scientists will assess the biological and chemical conditions on the ...
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