A large rock glacier fills a valley in Grand Teton National Park in Wyoming. Google Earth: Google, Airbus, Landsat, CopernicusIf you have ever hiked in the high peaks of Colorado, the Wasatch Range in Utah or the Tetons in Wyoming, you’ve almost certainly seen a rock glacier, perhaps without even knowing it.
1. 怀俄明州大提顿国家公园内，一条巨大的岩冰川填满了山谷。谷歌地球：谷歌、空客、陆地卫星、哥白尼计划。如果你曾在科罗拉多州的高耸山峰、犹他州的瓦萨奇山脉或怀俄明州的提顿山脉徒步，你几乎肯定见过岩冰川，甚至可能浑然不觉。
Rock glaciers are slow-moving masses of rock debris and ice that flow downhill the same way that glaciers do, but they are covered by a thick layer of rock and boulders that can easily be mistaken for stable ground.
2. 岩冰川是由岩石碎屑和冰组成的缓慢移动的块体，它们像冰川一样向下游流动，但表面覆盖着厚厚的岩石和巨石层，很容易被误认为是稳定的地面。
The Conversation contributors · CC-BY-ND 4.0