Lava flows and rocks from volcanic eruptions cover most of the land area of Yellowstone.

火山喷发出来的熔岩流和岩石占了黄石公园的大部分地区。

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Natural use materials that contrast the color and/or texture of the signaling area (rocks, brush, branches, stomped grass).

信号区域中颜色、纹理差异较大的材料（岩石，树林，树枝，践踏过的草地等）

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For centuries, coastal farmers used a powerful fertilizer that they found covering the rocks on the tip of this peninsula during the dry season-thus giving this area its descriptive name.

几个世纪以来，沿海的农民在旱季把一种效果很强的肥料覆盖在半岛末端的岩石上- - -因此，这个地区的名字是描述性的。

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Other rocks buried the area.

VOA: special.2009.04.15

"With Mastcam, we see elevated hydration signals in the narrow veins that cut many of the rocks in this area, " said Dr Rice.

BBC: Curiosity breaks rock to reveal dazzling white interior

The rock is peridotite, which is one of the main rocks in the upper mantle, an area that provides a girth below the Earth's crust.

ECONOMIST: Greenhouse gases

The winners of Retail Rocks were given empty shop units rent free for a year in the Torry area, plus ongoing business support.

BBC: Retail Rocks Aberdeen project 'should be rolled out'