Sentences with phrase «rock samples on»

Sep. 9, 2011 — Ultra high precision analyses of some of the oldest rock samples on Earth by researchers at the University of Bristol provides clear evidence that the planet's accessible reserves of precious metals are the result of a bombardment of meteorites more than 200 million years after Earth was formed.

Precious metals the result of meteorite bombardment, rock analysis finds Date: September 9, 2011 Source: University of Bristol Summary: Ultra high precision analyses of some of the oldest rock samples on Earth provides clear evidence that the planet's accessible reserves of precious metals are the result of a bombardment of meteorites more than 200 million years after Earth was formed.

Precious Metals the Result of Meteorite Bombardment, Rock Analysis Finds Sep. 9, 2011 — Ultra high precision analyses of some of the oldest rock samples on Earth by researchers at the University of Bristol provides clear evidence that the planet's accessible reserves of precious metals are the result of a bombardment of meteorites more than 200 million years after Earth was formed.

Not exact matches

Whether that means doling out mouthwatering samples from behind the counter, creating interactive games to play on the web or offering online courses that teach people how to make their own pasta, today's marketers need to deliver more than slick sales pitches and rock - bottom prices — or risk getting left in the dust.

During the test, a sensor on the bit measured how much movement, and pressure might be needed for the unassisted drill bit to obtain rock samples.

When testing the age of the earth, how do you explain that scientists were a couple million years off on 10 year old rock samples from mt. st. hellens?

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Essentially a duplicate of the Curiosity rover now on Mars, this robot has been tasked with searching for evidence of past life and collecting rock samples for eventual return to Earth.

Thirty to forty rock and sediment core samples, each about 15 grams, will be hermetically sealed in titanium tubes and deposited in a safe location on the surface of Mars for possible retrieval by a future mission.

After inspiring millions of people worldwide with its successful landing in a crater on the Red Planet on Aug. 5, 2012, PDT (Aug. 6, 2012, EDT), Curiosity has provided more than 190 gigabits of data; returned more than 36,700 full images and 35,000 thumbnail images; fired more than 75,000 laser shots to investigate the composition of targets; collected and analyzed sample material from two rocks; and driven more than one mile (1.6 kilometers).

Evidence of a past environment well suited to support microbial life came within the first eight months of the 23 - month primary mission from analysis of the first sample material ever collected by drilling into a rock on Mars.

In the Science paper, the researchers derived a quantity related to the fault's slow onset, called the slip weakening distance, and found it to be several orders of magnitude higher that laboratory experiments on rock samples would predict.

Situated in one of the most secure buildings on the planet, the lab was an implausible target for even the world's greatest crime syndicates — despite the fact that the Apollo lunar samples were stored there and the street price of moon rocks was estimated at about $ 5 million per gram.

«From now on, continues Castelltort, we know that by calculating the ratio between 13C and 12C sampled in similar slope deposits close to continents, we can have an indication of the sea level, which means it's possible to better predict the distribution of sedimentary rocks in our subsurface.»

Now, using precise chemical measurements of seafloor rock and moon samples, scientists have shown that nearby supernovas rained down radioactive iron and potentially influenced life on Earth.

The next NASA mission planning to use an MMRTG is the Mars 2020 rover, due to be launched as part of NASA's Journey to Mars, to seek signs of past life on the Red Planet, test technology for human exploration, and gather samples of rocks and soil that could be returned to Earth in the future.

There's a chance that the meteorites I've looked at from Mars are samples of atypical rocks on that planet.

Once the rock samples were drilled, Curiosity's robotic arm delivered the rock powder to the Sample Analysis on Mars (SAM) instrument, where it was used for a variety of chemical analyses, including the geochronology — or rock dating — techniques.

Geochemists explored the outcrop in a tiny submersible vehicle, hoping to collect samples of the warm fluids that emerge from cracks in the rocks; they didn't count on finding dozens of octopuses huddled around the cracks.

On August 2 drilling reached the fault zone, where scientists plan to install seismic instruments and take rock and fluid samples.

Those traces, which record the orientation of the samples relative to Earth's magnetic field when they solidified, can be used to determine where on the globe the rocks formed.

NASA plans to hone its sample - return skills in 2016 with OSIRIS - REx, a boxy spacecraft that will land on an asteroid, collect chunks of rock and dust, and then return to Earth.

Their prediction is based on a new method of interpreting data from magnetic traces found in ancient rock samples.

Beagle 2 could crash on a rock, or it could land too far from a rock to sample it with its short arm.

They will soon begin replicating early Earth chemistry on rocks and analyzing the reaction products with their robotic sampling system.

He points out that this magnetic signal can be associated with large - scale processes of mountain formation, and how these ranges can be curved until they create structures known as oroclines: «With a rock sample, we can analyse a process that has occurred on the tectonic plate level; and, specifically, offers new data that allows us to discover how this orogeny or large Variscan range and its curvature occurred.

One evening, while drinking a whiskey on rocks chipped off an ice core sample, Lorius watched bubbles get liberated from the ice.

They spent nearly 21 hours on the lunar surface, collecting samples of rock and soil and setting up remote instruments.

Czaja argues that finding rocks this old is rare, so researchers» understanding of the Neoarchean Eon are based on samples from only a handful of geographic areas, such as this region of South Africa and another in Western Australia.

Because we can not sample the deep Earth, we must deduce its composition either by looking at the clues hidden in igneous and metamorphic rocks, or by examining proxies for composition and structure such as the three - dimensional variation of the velocity of seismic waves produced by earthquakes and sampled by networks of seismometers on the surface.

The pursuit of science in Antarctica has continued to come at a cost to lives ever since Captain Robert Falcon Scott and his companions died on their return from the South Pole still hauling 15 kilograms of rock samples (14 January, p 24).

The 2018 budget request cancels NASA's Asteroid Redirect Mission — an Obama administration - era project to bring part of an asteroid near the moon so astronauts could visit the space rock and retrieve samples — but included no details on cancelation other than it was needed «to accommodate increasing development costs.»

If it spots elements of interest, it will approach and use a drill on its robotic arm to collect rock samples from as deep as 5 centimetres.

Next it will perform a feat that has so far only been done on Earth — identifying the specific minerals, such as iron sulphate or magnesium sulphate, in rock samples.

Team members then extrapolated to Mercury a model that was originally developed for comparing the Moon's crater distribution to a chronology based on the ages of rock samples gathered during the Apollo missions.

Phobos - Grunt, launched on November 9, was designed to bring back rock and soil samples from the Martian moon Phobos.

Several sites on the near side sampled by Apollo astronauts had rocks enriched with KREEP — for potassium (K), rare earth elements (REE) and phosphorus (P)-- which resists crystallization from magma and hence remains in a molten state until the entire magma ocean has solidified.

The minute the astronauts of Apollo 16 safely splashed down in the Pacific Ocean on April 27, 1972, the only thing Larry Taylor could think about was getting his hands on another sample of moon rocks.

The team, lead by Geophysical Laboratory's Dominic Papineau, collected dozens of rock samples from an area called the Nuvvuagittuq Supracrustal Belt in northern Québec, on the eastern shore of the Hudson Bay.

According to NASA, the tools that geologists use to collect core samples or to chip of rocks on Earth are not safe to be used in space.

Curiosity will look for signs that microbial life once existed on Mars, and will also collect core samples of rocks on Mount Sharp and the Gale Crater.

Scientists studied the rock samples Curiosity collected over the course of its first three and a half years exploring the Red Planet, especially the samples collected on the varying depths of the dried - up lake in Gale crater, and they found that the lake was rich in minerals that could have supported life.

The mission seeks signs of life on Mars and will test technology for human exploration and gather samples of rocks and soil that could be returned to Earth.

A little over five months since making landfall on the blood - red surface of Mars, NASA's remarkable Curiosity rover is heading towards its first sample - drilling target: a flat rock, laced with pale veins, which may yield clues about -LSB-...]

Curiosity rover obtains the first sample ever collected from the interior of a rock on another planet.

Such rovers are now sampling rocks on Mars.

The discovery came from the Mars rover Curiosity, based on the rover's first rock sample drilled from «John Klein» a flat bedrock target, in Gale Crater.

We have instruments on board which are expressly designed to seek evidence of ancient life - what we call «biosignatures» - and we have the capability to prepare samples, drill them out of a rock, seal them in a tube, so that a future mission could go and bring them up - we call that «caching.»

Washington, DC — A team of scientists including Carnegie's Dina Bower and Andrew Steele weigh in on whether microstructures found in 3.46 billion - year - old samples of a silica - rich rock called chert found in Western Australia are the planet's oldest fossils.