How To Use Carbonaceous In A Sentence
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Coal is a sedimentary rock composed principally of carbonaceous macerals and inorganic minerals.
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We disagree that charred fungal sclerotia ... have the same morphology" as certain carbonaceous spherules, paleoceanographer James Kennett writes in an e-mail.
News
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It was intruded into a succession of thinly bedded sandstones and carbonaceous silt and mudstones.
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It is overlain by the lower shale member, which consists of interbedded carbonaceous shale and lignite that accumulated in coastal marsh and swamps landward of the shoreline.
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It contains over 50 chest beds which are interbedded with shales, carbonaceous sandstones and minor tuffs.
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This facies commonly occurs associated with carbonaceous shale and laminated sandstone.
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The terms (_a_) "nitrogenous" and (_b_) "carbonaceous" are frequently used to designate the two distinct classes of food, viz.: (_a_) the tissue builders and flesh formers; (_b_) fuel and force producers.
Public School Domestic Science
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It has been identified in carbonaceous achondrite and iron meteorites.
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Similarly, granting a carbonaceous object the strength of a stony asteroid would allow it to penetrate to comparable altitudes.
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The quartzitic horizons change along strike into carbonaceous shale and sericite-chlorite schist.
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So, a radiological clock, which “is built in” the products of a volcanic eruption, do not further respond to the subsequent deposition of terrigenous and carbonaceous strata, nor to post-depositional uplift or erosion, etc.
Unthreaded « Climate Audit
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The apparent increase of carbonaceous macrofossils through the Proterozoic Eon is likely a result of combined biological and environmental evolution.
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The first is to have the carbonaceous meteorites derive directly from low-speed near-Earth asteroids that are extinct comet cores.
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Silicified carbonaceous schist and graphitic quartzite occur as lenses or layers with extremely variable thickness and are mostly confined to the immediate vicinity of ultramafic rock units.
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Known as the Ningqiang carbonaceous chondrite, the primitive meteorite is a space relic that formed shortly after the solar system's creation.
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If the impact object was a stony carbonaceous chondrite there would be silicates all over the impact site.
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If the bombardment involved not only comets but also a bunch of these wet meteorites, called carbonaceous chondrites, then the overall deuterium-to-hydrogen ratio of the water raining down from the heavens could have been about right for forming today's oceans and lakes.
Earth contains a vast amount of water, but scientists are unsure of its origins
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An exception may be its type locality in Colombia, where it occurs in veinlets and pockets in carbonaceous sedimentary units apparently distant from igneous rocks.
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A black, porous, carbonaceous material, 85 to 98 percent carbon, produced by the destructive distillation of wood and used as a fuel, filter, and absorbent.
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Scott's team says it found a good match between carbonaceous spherules from 12,900 years ago and so-called fungal sclerotia (see figure).
News
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It lies within the discordantly aligned Balygychan-Sugoi basin, which is underlain by volcanic rocks and carbonaceous molasses that cover the Verkhoyansk terrigenous rocks.
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There exists a marked chemical distinction between the melanotic and the carbonaceous matter; and the anatomical situation of the two is also different.
An Investigation into the Nature of Black Phthisis or Ulceration Induced by Carbonaceous Accumulation in the Lungs of Coal Miners
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The solid residue left after baking the volatiles out of carbonaceous asteroid materials is of considerable interest in its own right.
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Sediments at Rick Forester are light gray carbonaceous sandy clays.
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However, the local occurrence of poorly graphitized carbonaceous material in amphibolite-facies rocks supports the idea that graphitization is not simply due to increasing temperature and pressure.
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Carbonaceous chondrites are representative of the early material of the solar system, very primitive material, so it's the closest we get to the stuff from which the solar system evolved.
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While the eggs of the carbonaceous fed hens were large, of fine flavor, of natural smell, large normal albumen, an especially large, rich yellow yolk, with strong vitelline membrane, which was perfectly preserved after being kept for weeks in the same brine with the other eggs.
Scientific American Supplement, No. 795, March 28, 1891
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Krypton in today's atmosphere is somewhat heavier than solar krypton, and the krypton embedded in meteorites known as carbonaceous chondrites is even heavier than that.
Scientific American
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Coal is a rock composed principally of organic carbonaceous macerals and inorganic minerals.
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The oil shales are very fissile, non-laminated, dark brown to black and have a bituminous smell, whereas the less carbonaceous beds are weakly fissile.
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In general, the best biological indicators are those with good preservation potential, for example, siliceous, chitinized, or (under neutral to alkaline pH conditions) carbonaceous body parts.
Historical changes in freshwater ecosystems in the Arctic
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Comets and carbonaceous asteroids of the appropriate energy disrupt too high, whereas typical iron objects reach and crater the terrestrial surface.
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It has been identified in carbonaceous achondrite and iron meteorites.
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Australian coals and associated carbonaceous sediments may thus well be oil source rocks in the Gippsland basin area and elsewhere in Australia.
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Those compounds and elements include gases such as argon, krypton and xenon, and the proportions of those elements in carbonaceous chondrites don't match what's found on Earth.
Earth contains a vast amount of water, but scientists are unsure of its origins
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Some beds contain carbonaceous fragments, and the remains of large roots are found underlying thick coal beds.
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Cross-bedding, channel-fill structures, red colouration, carbonaceous material, desiccation cracks and raindrop pits indicate that these rocks were deposited in a terrestrial environment.
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In Proterozoic carbonaceous fossils, ultrastructural and biochemical characters are unavailable, and anatomical and reproductive structures are uncommon.
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They also make up well over half of the organic compounds in the most common type of meteorites, called carbonaceous chondrites, which have rained down on the Earth along with other cosmic dust ever since the planet formed.
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Carbonaceous chondrites are representative of the early material of the solar system, very primitive material, so it's the closest we get to the stuff from which the solar system evolved.
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I have seen what I deemed fucoidal markings dimly impressed on the planes of some of the strata, not in the carbonaceous form so common in the other two formations, but as mere colored films of a deeper red than the surrounding matrix.
The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed
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The cloud contains black particles called carbonaceous aerosols-basically carbon soot.
歪酷博客 Ycool Blog
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If the impact object was a stony carbonaceous chondrite there would be silicates all over the impact site.
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Similarly, there exists the potential for finding ancient samples from Mars or even Venus, as well as unweathered carbonaceous chondrites.
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Comets and carbonaceous asteroids of the appropriate energy disrupt too high, whereas typical iron objects reach and crater the terrestrial surface.
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It is composed of gray carbonaceous silt-stone and three conspicuous beds of sandstone and conglomerate.
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Carbon aerogels density and well - developcd nano - seale porous structure are a speeial class of carbonaceous non - crystalline materials.
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An additional sulphide-facies type was described as consisting of pyritic carbonaceous shale.
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The asteroid appears to be a massive carbonaceous chondrite.
365 tomorrows » 2009 » April : A New Free Flash Fiction SciFi Story Every Day
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The sediments are mudstone , shale, carbonaceous mudstone and marl of deep and semi - deep lake facies.
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The distinguishing feature of the lowermost sequence is the presence of coal or carbonaceous shale within alluvial and lacustrine strata.
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Carbonaceous sediments were deposited over a wide range of environments.
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These remarks are applicable to all ferments alike; for instance, butyric ferment is capable of producing a host of distinct fermentations, in consequence of its ability to derive the carbonaceous part of its food from very different substances, from sugar, or lactic acid, or glycerine, or mannite, and many others.
The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology)
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The liver is especially taxed in such cases, being unable to remove all the excess of carbonaceous matter from, the blood, and thus "biliousness" ensues, particularly on the approach of warm weather, when the air brings less oxygen than in cold.
American Woman's Home
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Therefore a carbonaceous asteroid, although unlikely, can not be ruled out as an explanation of the Tunguska event.
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Scott's team says it found a good match between carbonaceous spherules from 12,900 years ago and so-called fungal sclerotia (see figure).
News
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They are very similar in composition to the carbonaceous chondrite meteorites that sometimes fall on Earth.
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The chemical compositions of the Ningqiang carbonaceous chondrite matrix and a dark rim are analysed with instrumental neutron activation method.
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Over the last four years, the team carefully analyzed samples of meteorites with an abundance of carbon, called carbonaceous chondrites.
Innovations-report
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The polymer moieties have a valence orbital bond to the carbonaceous particulate, such as an ionic or covalent bond.
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Based on meteorite studies, astronomers recognize that NEAs have diverse compositions, including silicate, carbonaceous and hydrocarbon-bearing, metallic, and ice-bearing materials.
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To help confirm if any nucleobases seen in meteorites were of extraterrestrial origin, scientists used the latest scientific analysis techniques on samples from a dozen meteorites - 11 organic-rich meteorites called carbonaceous chondrites and one ureilite, a very rare type of meteorite with a different chemical composition.
Msnbc.com: Top msnbc.com headlines
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The Anna Shale was then slowly deposited under restricted marine conditions; it is highly carbonaceous and contains vascular plant fragments.
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Andrew Scott of Royal Holloway, University of London in Egham, United Kingdom, and colleagues used four kinds of microscopy to take a closer look at the odd debris, known as carbonaceous spherules.
News
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The spherules were previously interpreted as microfossils (Vallenia sp.) because of their spheroidal shapes and inclusions of carbonaceous matter.
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Much stronger are the type 2 meteors, with the physical strength of carbonaceous chondrite meteorites, which they also resemble chemically.
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Phobos and Deimos are small, irregularly shaped bodies, generally similar to carbonaceous asteroids in color, reflectivity, and density.
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Carbonaceous plant debris is concentrated in finely laminated silts and mudstones at the tops of some beds.
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Of course, a common carbonaceous chondrite might contain 25% nickel-iron mostly in the form of metal grains, 10% or more water, and several percent carbon plus everything else needed for life in space.
Asteroid Capture into Earth Orbit
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Sunlight reflecting from the surface showed that Phobos was dark, absorbing more than 90 per cent of the incoming sunlight and resembling the meteorites known as carbonaceous chondrites.
New Scientist - Space
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It is overlain by the lower shale member, which consists of interbedded carbonaceous shale and lignite that accumulated in coastal marsh and swamps landward of the shoreline.
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Natural red chalk is obtained from the red ochre variety of haematite, natural grey chalk from brick clay, natural white chalk from the chalk variety of calcite or soapstone, and natural black chalk from carbonaceous shale.
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The outer half of the belt is dominated by the C-type asteroids, very dark materials that closely resemble carbonaceous meteorites.
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For scientists, the chance of obtaining chunks of a carbonaceous asteroid is exciting.
Times, Sunday Times
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This structure is very similar to kerogens found in carbonaceous meteorites.
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Carbonaceous mesophase is an excellent precursor for carbon materials, especially those with high additional value.
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Carbonaceous sediments were deposited over a wide range of environments.
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The association of the cherts with carbonaceous sandstones and lacustrine shales in the Rhynie Cherts Unit indicates sinter deposition interrupted alluvial floodplain sedimentation of mud and sand.
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Carbonaceous plant debris is concentrated in finely laminated silts and mudstones at the tops of some beds.
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Sedimentary layering is manifested as alignment of grains and carbonaceous material.
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It is overlain by the lower shale member, which consists of interbedded carbonaceous shale and lignite that accumulated in coastal marsh and swamps landward of the shoreline.
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The carbon dioxide is the final oxidation product carbonaceous compound, which arosed the global greenhouse effect.
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This facies comprises interlaminated to interbedded, dark grey to black carbonaceous claystone and coaly stringers that often grade vertically and laterally into economically exploitable coal seams.
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Coal is a sedimentary rock composed principally of organic carbonaceous macerals and inorganic minerals.
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Phobos and Deimos are small, irregularly shaped bodies, generally similar to carbonaceous asteroids in color, reflectivity, and density.
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Other fossil seed, leaf, beetle, ostracod, snail and fish remains come from a carbonaceous siltstone that represents a local waterlogged habitat.
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These microfossils, found in bedded carbonaceous cherts, are estimated to be between 3.3 billion to 3.5 billion years old.
