Iron meteorites account for only 4–5% of meteorite falls (Buchwald, 1975; Krot et al., 2014) but are more abundant among finds in certain areas, for example, around terrestrial impact craters <1 km in diameter (Buchwald, 1975) and on Mars (e.g., Ashley et al., 2012).The 12 largest individual meteorites each weigh 10 to 60 tons and are all irons (Meteoritical Bulletin Database).