Sentences with phrase «more rock surface»

Not exact matches

You can not be serious... if you are of the school of thought that God created the Earth, then you have to believe that he created the cycles that keep the Earth sustainable and able to provide life... storms move moisture and heat across the earths surface and stabilize our atmosphere, earthquakes and volcanic eruptions recycle the rock and minerals on the planet and make more usable land and add richness to soils.
During occasional soliloquies such as this one, which happened on a very late and very liquid evening after Riggs had abandoned his training routine (he says he is now down to only 207 vitamin pills a day) and was imbibing generously of, first, bourbon on the rocks and then many Heinekens, more of his true feelings seem to surface.
Much of the land surrounding the airport is volcanic rock and looks more like the surface of the moon rather than a tropical paradise.
When placed on a hard surface, the wood stacking toy can be rocked on its round base to provide even more stimulation for your baby.
He said while some hyrofracking chemicals are toxic and carcinogenic, public exposure to such chemicals is manageable, and that there are no known cases of the chemicals — which are injected deep underground a mile or more to fracture gas - bearing rock layers — reaching the surface to contaminate water or air.
Magnesium chloride is 20 times less corrosive than the rock salt that is more commonly used, so it works well on delicate surfaces like brick and pavers.
My ChemCam laser zaps the surface with more than a million watts of power, turning rock or soil into glowing, electrically charged gas.
A team led by Kaveh Pahlevan at Yale University calculate that as rock vapour rose from Earth's hot, roiling surface, the magnesium oxide it contained would have condensed into droplets and rained back to the surface more readily than the more volatile iron oxide, which could then have mixed into the moon - forming disc (Earth and Planetary Science Letters, DOI: 10.1016 / j.epsl.2010.10.036).
The surface of Venus is more than 400 °C hotter than the surface of Earth — and at those extreme temperatures, the rock crystals can grow more quickly, healing themselves so that the boundaries never form.
But as stress mounts — as parts of a cliff or pillar are eroded away, for example — the sand grains on the surface of the remaining rock lock together and become more resistant to further erosion.
And even though dry surfaces are more easily gripped than slick ones, there are still dangers at hand: Multiton slabs of rock can pop off the face of a cliff with little or no warning, careening downslope dozens of meters to shatter in a cloud of geological shrapnel.
But moon rocks — some of them analyzed with ever more powerful spectroscopy to reveal chemical composition here on Earth and some by robotic craft on the lunar surface itself — are still full of surprises.
Squeezed by 1.5 times Earth's atmospheric pressure yet buoyant under one - seventh Earth's gravity, humans on its surface would feel more like divers under an ocean than astronauts on exposed airless rocks in space.
On a more typical day, however, the remote - controlled loaders dump ore loads into an underground mill, where the chunks of rock are ground down into fine silt that is mixed with water and pumped to the surface as a slurry.
The magnetism was strongest in terrain estimated to be between 3.7 billion and 3.9 billion years old, based on how cratered the surface is — older rocks are more pockmarked.
Mustard and his colleagues want the rover to have instruments that will not only take broad pictures of sites on the surface — as Curiosity is doing — but also take more detailed images of rocks and geological features.
Heat from the impact that made Occator probably allowed a mixture of ice, salts, and rock in Ceres's interior to become more fluid and rise up to the surface, scientists reported today at the Lunar and Planetary Science Conference in The Woodlands, Texas.
There are no rocks on the earth or on the moon, however, that are more than four billion years old; before that time the surface of both bodies is believed to have melted in the final stages of their accretion..
Siberian surface rock was loaded with carbon, resulting in runaway global warming as atmospheric CO2 levels more than doubled.
More recently, geochemists have been gauging when river erosion removed most of the crust overlying a particular rock now exposed at the surface.
Since Precambrian rocks make up more than 70 per cent of the surface of Earth's crust, Sherwood Lollar likens these terrains to a «sleeping giant,» a huge area that has now been discovered to be a source of possible energy for life,» she said.
On Earth, plate tectonics forces basaltic rock deep closer to the hot mantle until melting and mixing with water forms lighter granitic rock that eventually rises to the surface through volcanic activity to form continental crust (more).
Considering that ferropericlase is much less viscous, or resistant to flowing, hot, yet solid, mantle rock would flow more easily, possibly having profound effects on volcanism and tectonics at the planetary surface, processes which have a significant impact on the habitability of Earth.
When rainwater is introduced to this kind of rock, either seeping in through tiny pores in the rock surface, or, more typically, dribbling in through larger cracks, the rock will begin to dissolve.
This chemical weathering process is too slow to damp out shorter - term fluctuations, and there are some complexities — glaciation can enhance the mechanical erosion that provides surface area for chemical weathering (some of which may be realized after a time delay — ie when the subsequent warming occurs — dramatically snow in a Snowball Earth scenario, where the frigid conditions essentially shut down all chemical weathering, allowing CO2 to build up to the point where it thaws the equatorial region, at which point runaway albedo feedback drives the Earth into a carbonic acid sauna, which ends via rapid carbonate rock formation), while lower sea level may increase the oxidation of organic C in sediments but also provide more land surface for erosion... etc..
Though the species spends a lot of its time feeding and spawning on an algae - covered rock shelf right at the surface, divers must descend more than 100 feet in two - person teams to count the farthest - flung fish using a standardized search pattern that has been in use since the 1970s.
By examining the cooling rate of rocks that formed more than 10 miles beneath the Earth's surface, scientists led by The University of Texas at Austin Jackson School of Geosciences have found that water probably penetrates deep into the crust and upper mantle at mid-ocean spreading zones, the places where new crust is made.
Super-Earths can have a surface layer of water or rock (more).
Even more crustal minerals were formed by plate tectonics with the help of lubricating ocean water, atmospheric oxygen from the successful development of photosynthetic microbes, and land - based lichens (of algae and fungi) and mosses which were followed by deep - rooted plants that hastened the erosion and weathering of surface rocks with the help of biochemical action and the creation of soils as well as new clay minerals.
In southern Africa, rocks of the Karoo Supergroup cover almost two - thirds of the present land surface, including central Cape Province, almost all of Orange Free State, western Natal, much of There are more than 2000 shipwrecks off the South African coast, most dating back at least 500 years.
The actors are cast based more on looks than talent, the special effects are (if nothing else) well - rendered, and there is a kinetic energy produced by the hard - driving rock soundtrack and music video - style editing — surface pleasures strictly for people that don't want to have to think while watching their schlocky, b - movie fare.
Other surfaces such as rocks and grass can also give the foreground more prominence.
Below the surface the channel is calmer, protected as it is by the rock formations, making it more accessible to less advanced divers.
More posts were held down with rocks or could otherwise be found blowing around or stapled to surfaces.
Politics, too, hovers either above or just beneath the surface of all Oiticica's work, whether in the form of specific reference to Brazilian political figures — as in the boxed shrine to a murdered friend, B33 Box Bólide 18, Homage to Cara de Cavalo (1965 — 66)-- or more generally in the subversive spirit of his years immersed in and documenting his experiences of New York's sex, drugs and rock»n' roll - filled counterculture from 1970 to 1978.
Kaino further throws rocks gathered from those various regions to dent the surface of the steel, thereby giving the piece an exponentially broader, more metaphorically expansive space than the geographic one referred to in the (mostly) palindromic title.
In more than one instance, images of Sid Vicious — the charismatic bassist for the legendary punk rock group Sex Pistols — repeat with an almost casual purposeless across the surface of Prince's compositions.
Using paper and rocks as his surface, these works consider more directly the connection between the artist and his ancestors, and will be shown for the first time in this exhibition.
Building up strips of various materials on a single surface — these can be rough, smooth, gestural, flat, reflective, or matte — Wallace's work constantly evokes tactile or natural occurrences like rock outcroppings, seascapes, molecules, or even, on a more macro level, galaxies.
Once the heated layer becomes more than a few centimeters thick, the heat loss of the skin layer due to downward conduction of heat by diffusion stops having any significant effect on the surface temperature, since rock is such a good insulator that the heat flux by conduction in rock is tiny compared to the heat loss by infrared radiation out the top.
The oil and gas industry uses hydraulic fracturing to enhance subsurface fracture systems to allow oil or natural gas to move more freely from the rock pores to production wells that bring the oil or gas to the surface
The heating is uneven, because of night and day, because different surfaces (such as rocks and trees) absorb and reflect sunlight in different amounts, and because sunlight hits the equator more directly than the poles.
Then the surface of Venus got so hot that the carbon trapped in rocks sublimated into the atmosphere and mixed with oxygen to form even more carbon dioxide.
According to geologist Gary Lash of the State University of New York at Fredonia, the intervening layers of rock have distinct mechanical properties that would prevent the fissures from expanding a mile or more toward the surface.
The retreat exposes soil, rock, and ocean surfaces, which absorb light and heat, causing further melting.10, 11 (See Jakobshavn Isbræ and Helheim glacier hotspots for more information on albedo.)
All this melting has begun to expose rock and soils (and ocean in areas where sea ice has melted), which in turn causes further melting, because darker surfaces absorb more heat.
The melting of glaciers such as Jakobshavn Isbræ has also begun to expose rock, soil, and ocean waters, which in turn causes further melting, because darker surfaces absorb more heat.
More surface area can help, by increasing the places where water can flow, but the rock star of surface area — the capillary filter in devices like lifestraw — still leave users struggling to get water, leading to low adoption rates.
The scientists brought their 1.55 metre cores to the surface in 1993, but it has taken another two decades for laboratory techniques to detect and interpret the significance of radioactive particle samples in the rock that could only have come from outer space — which is why scientists think the bedrock must have been exposed, possibly more than once.
Does the ocean have more turbulence at the surface than a rock?
a b c d e f g h i j k l m n o p q r s t u v w x y z