Iron meteorite - Wikipedia
Iron meteorites, also called siderites or ferrous meteorites, are a type of meteorite that consist overwhelmingly of an iron–nickel alloy known as meteoric iron that usually consists of two …
Iron Meteorites: Origin, Classification, Pictures - Geology.com
Iron meteorites typically consist of approximately 90 to 95% iron, with the remainder comprised of nickel and trace amounts of heavy metals including iridium, gallium and sometimes gold. They …
Iron meteorite | Meteorite Classification, Composition, Structure ...
iron meteorite, any meteorite consisting mainly of iron, usually combined with small amounts of nickel. When such meteorites, often called irons, fall through the atmosphere, they may …
Iron Meteorites: Composition, Age, and Origin | Oxford Research ...
Iron meteorites are thought to be samples of metallic cores and pools that formed in diverse small planetary bodies. Their great diversity offers remarkable insights into the formation of asteroids …
Meteoric iron - Wikipedia
Meteoric iron, sometimes meteoritic iron, [1] is a native metal and early-universe protoplanetary-disk remnant found in meteorites and made from the elements iron and nickel, mainly in the …
Types of Meteorites: Iron, Stone, Stony-Iron, Lunar, Martian - Geology.com
Iron Meteorite: A superb 1,363-gram complete iron meteorite from the Sikhote-Alin meteorite shower which occurred in a remote part of eastern Siberia in the winter of 1947. This fine …
Iron meteorites: Crystallization, thermal history, parent bodies…
2009年11月1日 · We review the crystallization of the iron meteorite chemical groups, the thermal history of the irons as revealed by the metallographic cooling rates, the ages of the iron …
Iron meteorites – Buseck Center for Meteorite Studies
Most iron meteorites likely originated in the cores of large asteroids, and are composed almost entirely of nickel-iron alloy, which is also a primary component of the Earth's core. Even …
Iron Meteorites - SpringerLink
2018年1月1日 · Iron meteorites are fragments of the metallic cores of asteroids. Iron meteorites are possibly the most foreign geological samples to be found on Earth. Their chemistry, …
Heavy iron isotope composition of iron meteorites explained by …
2020年8月3日 · Experiments show that the iron isotopic composition of iron meteorites can be explained by core crystallization, and suggest the presence of sulfur-rich core material that …