Siderophile — means iron loving . This can refer to: * Siderophilic bacteria, bacteria that require or are facilitated by free iron * Siderophile elements, chemical elements such as iridium or gold that tend to bond with metallic iron, as described by the… … Wikipedia
Sidérophile — En géochimie, un élément sidérophile, ou simplement un sidérophile est un élément chimique qu on rencontre fréquemment associé au fer en raison de son affinité pour cet élément à l état liquide, d où le nom sidérophile (littéralement :… … Wikipédia en Français
Classification géochimique des éléments — La classification géochimique des éléments est aussi appelée classification Goldschmidt puisqu elle résulte des travaux menés dans les années 1920 par le chimiste Victor Goldschmidt en vue d éclaircir les fondements des diverses proportions des… … Wikipédia en Français
Abundance of the chemical elements — Estimated proportions of matter, dark matter and dark energy in the universe. Only the fraction of the mass and energy in the universe labeled atoms is composed of chemical elements. The abundance of a chemical element measures how relatively… … Wikipedia
Goldschmidt classification — The Goldschmidt classification, developed by Victor Goldschmidt, is a geochemical classification which groups the chemical elements according to their preferred host phases into lithophile (rock loving), siderophile (iron loving), chalcophile… … Wikipedia
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
History of the Earth — For the history of modern humans, see History of the world. Geological time put in a diagram called a geological clock, showing the relative lengths of the eons of the Earth s history The history of the Earth describes the most important events… … Wikipedia
Сидерофильные элементы — (от греч. sideros железо и phileo люблю * a. siderophile elements; н. siderophile Elemente; ф. elements siderophiles; и. elementos siderofilos) группа переходных хим. элементов, относящихся в осн. к VIII группе периодич. системы… … Геологическая энциклопедия
Chondrite — Not to be confused with Chondrodite. A specimen of the NWA 869 chondrite (type L4 6), showing chondrules and metal flakes Chondrites are stony meteorites that have not been modified due to melting or differentiation of the parent body. They… … Wikipedia
Planetary differentiation — In planetary science, planetary differentiation is the process of separating out different constituents of a planetary body as a consequence of their physical or chemical behaviour, where the body develops into compositionally distinct layers;… … Wikipedia