MUSHROOM-SHAPED ROCKS ARE FORMED BY A VARIETY OF PROCESSES INVOLVING DIFFERENTIAL WEATHERING AND EROSION/ABRASION. THEY OCCUR BOTH IN LAYERED ROCKS or IN ROCKS COMPOSED OF SIMILAR material throughout
PeDeStaL RoCK AlUla, Saudi Arabia. The breath taking AlUla Valley, which lies in the north-west region of Saudi Arabia 𝘿𝙀𝙎𝘾: From its verdant valley to its magnificent sandstone mountains, the alula region presents one of the most beautiful and unique landscapes in the world. The breathtaking AlUla Valley, which lies in the north-west region of Saudi Arabia, is as diverse as it is beautiful. 𝙂𝙚𝙤𝙡𝙤𝙜𝙞𝙘𝙖𝙡 𝙄𝙣𝙛𝙤: From the geological point of view, the area of AlUla is located at the border between the basementcomplex and the Arabian foreland, constituted by coarse clastic sediments (mainly sandstone). Outcropping succession in the AlUla archaeological region includes the Siq Sandstoneand Quweira Sandstone and the upper Quaternary alluvial deposits. The AlUla oasis covers a wide archaeological area where it is possible to visit ancient heritage sitesin a rock cut landscape shaped for thousand years. In addition to its best-known World Heritagesite of Hegra,...