Devil's Hole Road

Trail Overview

This fairly well graded gravel trail connects the Amagrosa Flat to the Ash Meadows National Wildlife Refuge. The first section takes you into a Mars-like area of Amagrosa Flats. Amargosa Flats material is primarily composed of a complex mix of geologic materials, including coarse-to-fine-grained alluvium, playa and palustrine deposits, eolian sands, and interbedded volcanic units. It also includes a unique, commercially important deposit of sepiolite, a clay mineral. You can see large heavy equipment mining the clay mineral. After the flats, the area turns into a greener area, with a few surrounding mountain areas. Once you enter the Ash Meadows National Wildlife Refuge, don't forget to stop and take the short hike to the Pulp Fish exhibit.

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Difficulty

When graded, the trail is smooth. But the road material can change quickly. After the mining operation, there are more washboards.

History

Amargosa Flats in Nevada is primarily composed of a complex mix of geologic materials, including coarse-to-fine-grained alluvium, playa and palustrine deposits, eolian sands, and interbedded volcanic units. It also includes a unique, commercially important deposit of sepiolite, a clay mineral. Here's a more detailed breakdown:Alluvium: This refers to sediment deposited by rivers and streams, forming a variety of textures from coarse gravels to fine silts. Playa and Palustrine Deposits: These are sediments formed in dry lakebeds and shallow marsh environments, often containing layers of mud, clay, and sand. Eolian Sands: Wind-blown sand deposits are also present, adding to the dynamic landscape. Interbedded Volcanic Units: Volcanic rocks are also incorporated into the basin fill, representing past volcanic activity in the area. Sepiolite: The Amargosa Flats are also home to the only commercial source of sepiolite in the United States, according to the USGS. Sepiolite is a fibrous clay mineral that forms in a specific geological environment, often precipitated from fresh water.

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