Sentences with phrase «rock samples in»

The work his undergraduate students do isn't always cutting edge; it's mostly carrying rock samples in backpacks and sorting them in the lab by the size of mineral grains.

But they have a longer lens in mind as well: They have been setting aside hundreds of rock samples in hopes that future scientists can study them with yet - to - be-developed geologic dating methods.

In a statement, Snelling said he was «gratified that the Grand Canyon research staff have recognized the quality and integrity of my proposed research project and issued the desired research permits so that I can collect rock samples in the park, perform the planned testing of them, and openly report the results for the benefit of all.»

A «strong» fault has the frictional strength equivalent to an artificial fault cut in a rock sample in the laboratory.

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.

Rock Lefebvre, CGA - Canada's vice president of research and standards, cautions that its sample is small and skewed, as seven of the companies were in the mining sector.

The Curiosity landed in Mars» Gale Crater in 2012 and was able to dig out rock samples more than a dozen times between 2013 and 2016 when the drill mechanism stopped working.

A third, larger spacecraft in 2020 is to gather samples and then bring them back to Earth, the first haul of moon rocks since a Soviet robotic probe's return in 1976.

In addition, the table of specific rock samples dated used isochron dating.

As one scientist interviewed said, he «should be finding layers of glassy droplets and fused rock in sea - core samples, the sorts of things we find at all other similar impact sites.»

In 1997, Rolling Stone reviewed a sampling of 30 Christian rock songs and rendered this verdict: the Christian songs were no more insipid or derivative than 30 songs «randomly selected from the Billboard Hot 100 in a given week.&raquIn 1997, Rolling Stone reviewed a sampling of 30 Christian rock songs and rendered this verdict: the Christian songs were no more insipid or derivative than 30 songs «randomly selected from the Billboard Hot 100 in a given week.&raquin a given week.»

In order for the age of any particular rock, fossil or other artifact to be aged, generally two or more samples are dated independently by two or more laboratories in order to ensure an accurate resulIn order for the age of any particular rock, fossil or other artifact to be aged, generally two or more samples are dated independently by two or more laboratories in order to ensure an accurate resulin order to ensure an accurate result.

During Wine of Provence's masterclass and guided tasting Tuesday at the Public Hotel in Chicago, attendees sampled five rosés: Symphony, Impatience, Le Pas Du Moine, Chateau D'Esclans Rock Angel and L'Excellence Des Muraires.

We went back to South Africa in 1998, this time to Driefontein Mine, located about 40 miles southwest of Johannesburg, and took water samples, which are easier to work with than rock and less likely to be contaminated.

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.

Andrew Steele of the Carnegie Institution for Science in Washington DC and his colleagues shone a laser at a sample of moon rock collected by the Apollo 17 mission 40 years ago.

A layer of rock (orange arrows) in a sample similar to one retrieved by Walter Alvarez captures the immediate aftermath of a mass extinction.

Of the 731 rock samples the Apollo 16 astronauts brought home in April 1972, nearly all were breccia, composites formed of fragments fused together — probably by the heat and pressure of meteorite impacts.

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).

The insight from Sudbury is complemental, the geologists say, because you can directly observe the rocks with your own eyes and collect loads of samples for detailed study in the lab.

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.

A research team led by John Tarduno of the University of Rochester in New York went to Australia's Jack Hills and collected ancient samples of rock containing the crystallized mineral zircon.

For the new study, the researchers used an extremely precise laser - based method to measure oxygen isotopes in a range of Earth rocks, meteorites and three lunar samples gathered by the Apollo astronauts.

Timothy Lyons at the University of California, Riverside, and colleagues have worked out how phosphate levels changed in Earth's oceans over the last 3 billion years by measuring the relative amounts of phosphorus in 700 samples from various rock formations around the world.

In Antarctica, a dry desert, the likelihood of corrosion drops significantly, meaning more rocks and more pristine samples.

CAESAR's goal will be to gather at least 100 grams of ice and rock from the comet's surface, then to return the sample to Earth in a sealed, thermally stabilized capsule in 2038.

Another robot, operated remotely from a ship, allowed the team to get a closer look at specific features in and around the caldera, and to take rock and water samples.

Sponsored by Shell, the team drilled deep down below the surface into one of these natural CO2 reservoirs to recover samples of the rock layers and the fluids confined in the rock pores.

Willbold and his colleagues looked at samples from Isua, a rock formation in Greenland.

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.

The research team — which also included Professor Kathryn Arehart and Scholar in Residence James Kates, both in CU - Boulder's Department of Speech, Language and Hearing Sciences — asked 18 experienced hearing aid users to listen to classical and rock music samples that ranged from being unprocessed to highly processed.

To recover the first samples of oil there in 2004, engineers floating 175 miles off the Louisiana coast had to send drill gear into 7,000 - foot - deep water and penetrate four miles of rock.

By looking at the ratio of two of these cosmic - ray - made elements — aluminum - 26 and beryllium - 10 caught in crystals of quartz, and measured in an accelerator mass spectrometer — the scientists were able to calculate how long the rocks in their samples had been exposed to the sky versus covered by ice.

LIFE AND DEATH Rock samples collected from the Chicxulub crater during a drilling project in the Gulf of Mexico earlier this year suggest that microbes returned to the site within hundreds of years of the dino - killing impact.

«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.»

To obtain a clearer, quantifiable look at carbon trapping rates in basalt, Giammar collected samples of the rock from Washington state, where researchers previously injected a thousand tons of CO2 gas deep underground into a basalt flow.

Even when a prime, rock - free site is found, samples can be contaminated with microbial activity or by modern air that seeps in when temperature changes cause the ice to crack.

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.

Multiyear incubation experiments with samples of host rock confirmed the microbial activities measured in situ.

A ton of rock samples were extracted in 2007, the first time researchers gained access to a major fault at the depths where quakes start.

To evaluate each influence 3.26 billion years ago, geoscience Professor Clark Johnson and Satkoski collected samples from South Africa and compared isotopes in two forms of a rock called barite.

In fact, it was a little disappointing because the sample looked so much like Earth rocks that I'd seen.

She points out that Farley, for example, did not examine the same Meishan rock samples she did and that he looked for helium in bulk rather than isolating fullerenes first and then looking for gases trapped within them.

In the early 1980s we helped collect rock samples from the site, which were then analyzed to identify the iridium - rich clay layer that is now understood as the fallout from the impact of a comet or asteroid.

Using samples collected from the Liwu and Wulu river basins in Taiwan, which run off the central range, the team compared the radiocarbon profiles of organic carbon in the rock with the soil directly above it.

To make a case for the impact, Melosh says, Abbott «should be finding layers of glassy droplets and fused rock in sea - core samples, the sorts of things we find at all other similar impact sites.»

The team then went a step further, putting the rock and soil samples in a controlled combustion chamber that released carbon at different temperatures, allowing the carbon molecules to be sorted by their latent energy, an indicator of their chemical structure, and the amount of radiocarbon they contain.

LITTLE BITS The rover Curiosity (shown) reached the base of Mars» Mount Sharp in September and drilled rock samples.

The Ritacuba Negro glacier in the Colombian Andes, where rock samples were collected as part of this study.

For 2 months, they will work day and night in an attempt to go down another kilometer, looking for changes in rock types, cataloging microfossils, and collecting DNA samples (see figure, below).