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Frobisher, a sixteenth-century English explorer, had soil samples from Canada's Kodlunarn Island examined for gold content.

弗罗比舍是一位16世纪的英国探险家，曾对来自加拿大 Kodlunarn 岛的土壤样品进行了含金量检测。

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Its gold content is closely related to pyrites and arsenopyrite.

矿石中的金以不可见金为主，含量与黄铁矿、毒砂关系密切。

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It is part of the story--bitter lore to today's frame lovers--that many of the finest and most valuable frames were systematically rounded up to recover the gold content of their gilding.

FORBES: Features

It created so much excitement for gold that not only were people clamoring to come up with more money to pour into gold investments, but housewives were melting down jewelry and family heirlooms to recover their gold content.

FORBES: Gold Still Glitters

In days of old, money-strapped monarchs reduced the gold or silver content of their coins.

FORBES: Magazine Article