Sandstone Formations

The Property Is Also Of Great Geological And Aesthetic Interest: The Panorama Of Geological Formations With "Rock Forests" Of Eroded Sandstone Resembles A Strange Lunar Landscape. (Description Unesco Website)

"It Is Marked By A Number Of Sandstone Outcrops Of Various Sizes And Heights, Which Formed The Basis Of The Development Of Nabataean Monumental Architecture." (Ab Ev)

Sandstone Escarpment

"The Former Freshwater Lake Of Jubbah Was One Of Several Such Water Bodies Owing Their Existence To A Series Of Sandstone Inselbergs, Occurring Mostly In A North-South Alignment. (...) The Largest Of These Mountains Is Jabal Umm Sinman (...)" – "The Long-Term Weathering And Erosion Has Resulted In The Weakening Of The Sandstone Rocks And Creating Distinctive Morphologies And Appearances (...) The Vertical Joints And Columns Produced By The Processes Of Erosion, Both By Rain And Wind, Are One Of The Essential Aesthetic Elements Of Jabal Umm Sinman And Are Characterized By Pyramidal Hill Tops And Hump-Like Summits. Thus The Mountain Comprises Spectacular Towers Of Varying Heights And Width." (Nomination File, P. 13, 16)

"The Site On Sandstone Rocks Is Vulnerable To Weathering" (Ab Ev)

Pillars

"One Of The Sandstones At Mammoth Cave, Named The Big Clifty Sandstone, Formed About 320 Million Years Ago, When Sand Was Deposited Over Top Of Mammoth Cave's Shale And Limestone Beds By A Large River Delta. This Sandstone Is Usually The Top Layer Of The Park's Many Ridges, Like Flint Ridge, Mammoth Cave Ridge, And Joppa Ridge Because It Is Resistant To Erosion."
See Www.Nps.Gov

"The Reddish Conglomerate And Sandstone That Form This Landscape Of Exceptional Natural Beauty" (Ouv)