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The star of the area: Cap Rock surrounded by some Joshua Trees.
https://geologyistheway.com/blog/2022/0 ... onal-park/
When this mix of boulders and loose regolith reaches the surface, erosion easily removes the unconsolidated material, leaving behind piles of boulders, the intact material far from the joints that resisted weathering. Soil erosion happens very easily in Joshua Tree, thanks to the barren landscape, with little to no vegetation able to hold soil against the occasional flash floods. Indeed, tors are typical of arid climates, not only deserts but also periglacial environments like tundra.
https://geologyistheway.com/blog/2022/0 ... onal-park/
When this mix of boulders and loose regolith reaches the surface, erosion easily removes the unconsolidated material, leaving behind piles of boulders, the intact material far from the joints that resisted weathering. Soil erosion happens very easily in Joshua Tree, thanks to the barren landscape, with little to no vegetation able to hold soil against the occasional flash floods. Indeed, tors are typical of arid climates, not only deserts but also periglacial environments like tundra.