 | | Journal (article/letter/editorial) | | compositions for 5 differentiated planets (Earth, Venus, Mars, Moon, and eucrite parent body) suggests that...Jupiter zone (KAULAand BIGELELSEN. 1975). Bodies with small enough perihelia to reach Earth and Venus (q <...- Spine1 Oxides present Mantle (81%) Chromite Ilmenite Jadeitic pyroxene 0.68 0.44 0.72 U = 46ppb Oxides...b). A rough estimate for the K- and Tl-groups on Venus may be obtained from the K/U ratio (KELDYSH,1977;...slight variation, with the Earth (and probably Venus) being enriched. If we generalize this marginal |  | | Journal (article/letter/editorial) | | ultimate development of one planet in each feeding zone, which flares out and ultimately overlaps with adjacent...silicate may not be just early condensate. For Venus, reviews are given o f the surfitce properties,...primary condensation and local accretion. The inner zone contains some brighter S-type asteroids interpreted...near Mercury to oxidized material from the asteroid zone outwards. Growth of a terrestrial planet begins...distant fast planetesimals. Only the Earth and Venus are big enough to retain debris from late volatile-rich |
|
