Willbold and his colleagues concentrated on investigating the ancient Greenland rocks for isotopes of tungsten, a metal that, like gold, has an affinity for bonding with iron.
维尔博尔德和他的同事们集中研究了古代格陵兰岩石里钨的同位素，它们同黄金一样，也具有粘接铁的吸引力。
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Our understanding of planet formation suggested that precious metals such as gold and tungsten should have moved into Earth's iron core long ago, due to the affinity they have for bonding with iron.
It is the world's top producer of cadmium, gold, indium, iron ore, lime, lead, manganese, mercury, molybdenum, phosphate, salt, tin, tungsten, vanadium and zinc.