KSIĄŻKI POWIĄZANE ZE SŁOWEM «SIDEROPHILE»
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1
Origin of the Earth and Moon
metal/silicate equilibration has provided an entirely satisfactory account of
siderophile-element depletions in the mantle. Modern accretion theory has
provided the impetus for a shift away from low-temperature, low-pressure models,
and ...
Robin M. Canup, Kevin Righter, 2000
2
Early Earth Systems: A Geochemical Approach
A Geochemical Approach Hugh R. Rollinson. the “missing” component presumed
to be in the core. However, when calculations are made to compare the
measured siderophile element depletion in the mantle with the expected values,
there is ...
3
Introduction to Geochemistry: Principles and Applications
CIChondrites 10–1 High P–Tpartition coefficients Terrestrial depletions One bar
partition coefficients 10–4 100 10–3 Slightly siderophile Moderately siderophile
Highly siderophile 10–5 epletio n r e l a t i v e t o C I a n d refractor y e l e m e n t s
...
4
Origin of the Moon. New Concept: Geochemistry and Dynamics
Thus the problem of distribution of siderophile elements in the mantle of the Earth
is still far from solved. However, we are interested here mainly in the distribution
pattern of siderophile elements on the Moon. And here we encounter another ...
Erik M. Galimov, Anton M. Krivtsov, 2012
5
The Earth's Mantle: Composition, Structure, and Evolution
High temperature alone cannot ex- It/siK _ o , , -, ,T , /required — -^ -^— ^ J \ ^**^
plain the siderophile-element anomaly. 1.6.5.3. High Pressures The equivalent of
equation (36) in pressure is /nmet/siK Unlike the case for A//^_Fe, there is no ...
6
Impact Cratering: Processes and Products
Distinctly higher siderophile element concentrations in impactites, compared with
target rock abundances, indicate the presence of either a chondritic or an iron
meteoritic component. It is more complicated to discern an achondritic projectile,
...
G. R. Osinski, E. Pierazzo, 2012
7
An Introduction to Our Dynamic Planet
You should recall from Chapter 1 that one consequence of core-mantle
separation is that the metal-loving siderophile elements would be strongly
partitioned into the metallic core. However, trace amounts of siderophile
elements are retained ...
8
Distal Impact Ejecta Layers: A Record of Large Impacts in ...
Most meteorites are enriched in siderophile elements, especially the platinum
group elements (PGEs; Table 3.1) and have different isotopic ratios of some
elements compared with those in the terrestrial crust. Thus, another way to
identify ...
Billy P. Glass, Bruce M. Simonson, 2012
9
Meteorites, Comets, and Planets: Treatise on Geochemistry, ...
1.21.4.3 Impactite and Regolith Siderophile Signatures The siderophile elements
in polymict lunar materials come almost entirely from meteoritic contamination
added to the outer Moon in impacts. Siderophile elements thus may give clues to
...
Nb 1517 dissolved in CaTiO3 refr. lithophile Tl 448 dissolved in Fe alloy highly
volatile Mo 1595 refractory metal alloy refr. siderophile Pb 520 dissolved in Fe
alloy highly volatile Ru 1565 refractory metal alloy refr. siderophile Bi 472
dissolved ...
Harry Y. McSween, Jr, Gary R. Huss, 2010
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «SIDEROPHILE»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
siderophile w wiadomościach.
Looking Up: Lunar cliffs: Taking a closer peek at the moon's Straight …
... a team of researchers used computer simulations to determine the weight of the earth prior to the impact, and afterwards by examining the "highly siderophile ... «Naples Daily News, Cze 15»
Scientists stunned over findings of Moon's violent birth
This metal has highly siderophile characteristics, meaning it binds tightly with iron, and it would have a strong tendency to move into Earth's iron-rich core. «New York Recorder, Kwi 15»
The Moon Was Formed in a Smashup Between Earth and a Near Twin
This siderophile, or iron-loving, element should sink towards the cores of planets over time, making its abundance much more variable in different bodies even if ... «Smithsonian, Kwi 15»
Comet Strike to Blame for Canada's Iconic Sudbury Basin
Because the Earth pulls siderophile, or iron-loving, elements such as iridium or gold inward to its core, the planet's crust contains relatively low concentrations of ... «Scientific American, Lis 14»
A Comet Did It! Mystery of Giant Crater Solved
Because the Earth pulls siderophile, or iron-loving, elements such as iridium or gold inward to its core, the planet's crust contains relatively low concentrations of ... «Yahoo News, Lis 14»
Mars' Black Beauty
That sample was brought to my lab where we identified it as a highlands breccia on the basis of its high abundance of siderophile elements – elements that are ... «Astrobiology Magazine, Wrz 14»
Undocumented Alien
Typically, this manifests itself as a cryptic chemical component of siderophile (“iron-loving”) elements (such as iridium) within the shock-melted portion of the rock ... «Air & Space Magazine, Wrz 14»
Moon First—Mine the Asteroids Later
In asteroids, platinum is intimately mixed with other iron-loving metals (called “siderophile” elements). To extract Pt from asteroidal material, we must remove its ... «Air & Space Magazine, Sie 14»
Asteroid Parade Created Ancient Hell on Earth
"We also looked at highly siderophile elements (elements that bind tightly to iron), such as gold, delivered to Earth as a result of these early collisions, and the ... «Nature World News, Lip 14»
Geologic Clock Helps Scientists Determine Moon's Age
Highly siderophile elements in Earth's mantle as a clock for the Moon-forming impact. Nature, published online April 03, 2014. Published in. Space Exploration. «Sci-News.com, Kwi 14»
