Editing Brumley Mountain Trail
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The Great Channels are an unusual geological maze of large sandstone boulders and eroded crevices. | The Great Channels are an unusual geological maze of large sandstone boulders and eroded crevices. | ||
Per a park brochure: "At the crest of the mountain, within the Natural Area Preserve, are the Great Channels of Virginia, impressive formations of 400-million-year old sandstone outcroppings. Geologists conclude that the Channels were likely formed while the high elevation sandstone cap was under the influence of permafrost and ice wedging during the last ice age. These forces shattered and enlarged joints in the sandstone caprock." | Per a park brochure: "At the crest of the mountain, within the Natural Area Preserve, are the Great Channels of Virginia, impressive formations of 400-million-year old sandstone outcroppings. Geologists conclude that the Channels were likely formed while the high elevation sandstone cap was under the influence of permafrost and ice wedging during the last ice age. These forces shattered and enlarged joints in the sandstone caprock." | ||
== How to get there == | == How to get there == |