点评:The Skyline Caverns are estimated to be approximately 50 to 60 million years old. But they were only discovered in 1937 by Walter S. Amos, a retired geologist and mineralogist from Winchester, Virginia. Located at 10344 Stonewall Jackson Highway near Front Royal, Virginia, a mile from the northern entrance to Skyline Drive in the Shenandoah National Park, Skyline Caverns is a series of geologic caves and a popular tourist attraction that offers year-round guided tours that depart every 15 to 20 minutes and last about one hour and cover about 1 1/8 miles of walking while reaching a depth of 260 feet below ground. The tour covers only about 20 percent of the caverns. Visitors see stalactities, stalagmites, columns, anthodites and aragonites and three flowing streams. Additional attractions include a miniature train ride and mirror maze. During his digging, Amos discovered anthodites, an unusual form of crystal or perfect six-sided crystalline structures made of pure calcite. These crystals are protected by Virginia State Law and are kept behind closed doors that a tour guide must open for the public to view them.
翻译:天际线洞穴的形成年代估计在5000万至6000万年前。然而,直到1937年,弗吉尼亚州温彻斯特的退休地质学家兼矿物学家沃尔特·S·阿莫斯才发现了它们。天际线洞穴位于弗吉尼亚州弗兰特罗亚尔附近的斯通沃尔·杰克逊公路10344号,距离谢南多厄国家公园天际线公路北入口仅一英里。它是一系列地质洞穴,也是一个热门的旅游景点,全年提供导览服务。导览团每15至20分钟一班,全程约一小时,步行约1.25英里,最深处达地下260英尺。导览仅涵盖洞穴的约20%。游客可以看到钟乳石、石笋、石柱、石笋和文石,以及三条潺潺溪流。其他景点还包括迷你火车和镜子迷宫。阿莫斯在挖掘过程中发现了方解石,这是一种不寻常的晶体,或者说是由纯方解石构成的完美的六边形晶体结构。这些晶体受弗吉尼亚州法律保护,被保存在不对外开放的展厅中,只有导游才能打开大门供公众参观。