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The giant-impact hypothesis, sometimes called the Big Splash, or the Theia Impact suggests ... The more volatile materials that were emitted during the collision probably .... It is noteworthy that the Earth has the highest density of all the planets in the ... The iron oxide (FeO) content (13%) of the Moon, which is intermediate ...


Apr 26, 2010 ... Because only metal and rock could condense in the inner solar system, while ice ..... Processed meteorites with high metal content probably are ...


Processed meteorites apparently once were part of a ... so that the heavier metals sank to the center and the lighter rocks rose to the surface. ... Made mostly of high -density iron and nickel mixed with smaller amounts of other metals; Resemble the terrestrial planet cores in composition.


May 27, 2014 ... perturbations probably prevented ... High reflectance: S (silicates, rock). – Meteorites .... a meteorite? – they have a higher metal content than terrestrial rocks .... Processed meteorites come from large objects in the inner Solar ...


Why do asteroids and comets differ in composition? A. Asteroids formed ... Processed meteorites with high metal content probably are. A. Leftover chunks of rock ...


Irons - meteorites composed almost entirely of nickel and iron. .... These objects have been much less processed than stoney meteorites than contain no metals.


Aug 9, 1994 ... rocks are probably differentiated igneous rocks or breccias or melt rocks derived therefrom. Solar nebula .... exposed on the surface of the planet and processed by micro- .... silicate-rich, metal-poor crust and mantle of the planet. They are ..... Even as high solar-wind content does not forbid a mercurian.


Oct 25, 1994 ... Suitable metallic asteroids could be processed in their entirety. Statistically, ..... Abundances and Potential Value of Precious Metals in Meteorites and Asteroids. Metal ... because (1) some asteroids probably contain the high con- centrations of .... ordinary chondrites and the metal's content of Au and PGM.


Dec 15, 2015 ... A series of high-pressure experiments was also carried out to investigate ... Cr isotopes;; core formation;; metal–silicate equilibrium;; meteorites;; differentiation .... and the unspiked and spiked samples were processed in the same way. ..... This is probably due the greater tendency of crystalline MgO to ...


Printed in USA Camel Donga: A Eucrite with High Metal Content H. P~u~ti~, ... the Camel Donga metal was formed by reduction of FeO and FeS, probably through ... The fact that major parts of the meteorite still contain sulfides, in many cases ... All spectra were processed according to the peak-fitting routine of Kruse (1979).