Geologist Gerard Bond noticed that some of the sediment grains were stained with iron oxide, evidence that they originated in locales where glaciers had overrun outcrops of red sandstone.

地质学家杰拉德·邦德注意到，一些沉积物颗粒被氧化铁染色，这表明它们起源于冰川覆盖红砂岩露头的地方。

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As his whiskers dry, they will curl toward his reddish face, stained from iron in the mud where he feeds.

当它的胡须干的时候，会卷曲在红脸周围。因为深入土中觅食，它的脸有着像铁锈般的颜色。

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Ancient-looking, iron-stained conveyor belts lattice the badlands.

NEWYORKER: The Miner��s Daughter

On the main table I noticed what looked like the ragtag remains of some Physics 101 lab experiments: rusted silver balls on different inclines, distressed balloons, a stained funnel, a markered flask, a calcium-speckled Bunsen burner, iron filings and sandpaper, large magnets, and batteries that could have been bought from a Chinese immigrant on the subway.

NEWYORKER: The Region of Unlikeness