How To Use Chondrite In A Sentence
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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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Discovered at Reckling Peak, Antarctica, this type of meteorite is known as an achondrite.
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Primitive achondrites then experienced varying degrees of melting, thermal processing, and recrystallization.
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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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The transitional element curves standardized by chondrite were all W type curves inclining gently to the right.
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The mineralogy in the dust itself that we kicked up corresponds to what was seen by M Cubed instrument, and also what we see in chondrite asteroids.
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Chondrites are stony meteorites that contain small, melted beads known as chondrules and finer-grained material known as matrix.
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About 60 different minerals that form the most primitive minerals in what are called chondrite meteorites.
ScreenTalk
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The H chondrites are most similar in composition to Earth.
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This very unusual achondrite has big lumps of iron in it.
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It has been identified in carbonaceous achondrite and iron meteorites.
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Sources of other specific meteorites remain unproven, although another set of eight achondrites are suspected to have come from Mars.
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However, three types of achondrites stand out from the others.
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The meteorite is called a chondrite, a group that includes
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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 impact object was a stony carbonaceous chondrite there would be silicates all over the impact site.
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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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Lane illustrate : countless meteorite threat to the satellite station, there is a need to send fighters to clean chondrite meteorites.
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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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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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It has been identified in carbonaceous achondrite and iron meteorites.
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The Specimens below are polished to a high luster on one side to allow viewing of the beautiful crystalline structure characteristic of this rare primitive achondrite!
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In her journal that day, she noted that, “we found an unusual achondrite.”
The Case for Mars
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Field image of the achondrite meteorite GRA 06128, found in blue ice of the Graves Nunatak region of the Antarctica during the ANSMET 2006 / 2007 field-season.
Earth News, Earth Science, Energy Technology, Environment News
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The shop offers a wide range of Lunar and Martian meteorites along with many rare achondrites and chondrites.
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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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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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It is an achondrite - a basalt - with a composition that suggest an asteroid from the inner asteroid belt.
Scientific Blogging
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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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A related group of achondrites, called mesosiderites, are brecciated and metamorphosed.
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There are a number of other achondrites that do not fit into any of the preceding groups or subgroups.
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Chondrites are the main type of stony meteorite, constituting 84 percent of all witnessed meteorite falls.
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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.
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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 chemical compositions of the Ningqiang carbonaceous chondrite matrix and a dark rim are analysed with instrumental neutron activation method.
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Together, the howardites, the eucrites, and the diogenites form the most abundant class of achondrites in our collections.
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They are very similar in composition to the carbonaceous chondrite meteorites that sometimes fall on Earth.
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Based on their texture, stone meteorites are divided into two types, the chondrites and the achondrites.
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The REE content and chondrite nomalized patterns of the altered and mineralized rocks are largely consistent with those of the unaltered host rocks.
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The asteroid appears to be a massive carbonaceous chondrite.
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These chondrites belong to three major groups that differ in their composition.
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My research has largely been in the chemistry of how the particular components of chondrites, very primitive meteorites, actually formed in the solar nebula.
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They are sometimes referred to as enstatite achondrites and might somehow be related to the enstatite chondrites.
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A single blackened 361 gram achondrite was found in Dar al Gani, Libya at Lat. 26 deg. 55.17’ N and Long. 16 deg. 40.44’ E.
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Most chondrites are characterized by small spherical globules of silicate, known as chondrules.
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The stone made its debut in the second issue of the 1985 Antarctic Meteorite Newsletter, classified as a diogenite, a subgroup of the achondrites, stony meteorites that are akin to terrestrial rocks formed from magma such as basalts.
The Case for Mars
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Apophis is fairly well characterized and has a very close approach on 13-Apr-2029, although it may not be an LL chondrite after all, and may therefore have a different albedo, diameter (currently 270m), and mass (currently 27 Mt - million tons).
Asteroid Capture into Earth Orbit
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From the crusts of differentiated asteroids and planets come the meteorites we call achondrites.
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Even though the West meteorite, as it is being called, is a chondrite, which is the most common type of stony meteorite, Stimpson said he is thrilled to have it because it's something new for his museum.
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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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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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Stones are divided into two main subcategories: chondrites and achondrites.
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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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A third kind of achondrite would be a rock (like a chondrite) that was simply melted and cooled.
