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  2. Angadipuram Laterite - Wikipedia

    en.wikipedia.org/wiki/Angadipuram_Laterite

    Angadippuram Laterite is a notified National Geo-heritage Monument [1] [2] [3] in Angadippuram town in Malappuram district in the southern Indian state of Kerala, India.The special significance of Angadippuram to laterites is that it was here that Dr. Francis Buchanan-Hamilton, a professional surgeon, gave the first account of this rock type, in his report of 1807, as "indurated clay", ideally ...

  3. Natural Arch, Tirumala hills - Wikipedia

    en.wikipedia.org/wiki/Natural_Arch,_Tirumala_hills

    The sedimentary thickness of the Cudappa basin is of the order of 12 km (7.5 mi) with volcanic sequences in the form of sills and dykes. A prominent Eparchaean Unconformity of the formation resting on the Archaean peninsular gneissic complex is noted. Rocks of Cuddapah Supergroup including Kurnool Group are the prominent feature of the basin. [15]

  4. Hoodoo (geology) - Wikipedia

    en.wikipedia.org/wiki/Hoodoo_(geology)

    A hoodoo (also called a tent rock, fairy chimney, or earth pyramid) is a tall, thin spire of rock formed by erosion. Hoodoos typically consist of relatively soft rock topped by harder, less easily eroded stone that protects each column from the elements. They generally form within sedimentary rock and volcanic rock formations.

  5. Devils Tower - Wikipedia

    en.wikipedia.org/wiki/Devils_Tower

    The oldest rocks visible in Devils Tower National Monument were laid down in a shallow sea during the Triassic. [citation needed] This dark red sandstone and maroon siltstone, interbedded with shale, can be seen along the Belle Fourche River. Oxidation of iron minerals causes the redness of the rocks. This rock layer is known as the Spearfish ...

  6. National Geological Monuments of India - Wikipedia

    en.wikipedia.org/wiki/National_Geological...

    Rock Monuments [2] 27 Pyroclastics & Pillow lavas of Kolar Gold fields: Peddapalli Kolar district: Karnataka: Rock Monuments [2] 28 Shivalik Fossil Park: Suketi: Sirmaur district: Himachal Pradesh: Fossil Park [2] 29 Pillow Lava in lron ore belt at Nomira: Keonjhar district: Odisha: Rock Monuments [2] 30 Plant Fossil bearing Inter-trappean beds ...

  7. Grand Staircase - Wikipedia

    en.wikipedia.org/wiki/Grand_Staircase

    The major sedimentary rock units exposed in the Grand Canyon range in age from 200 million to 600 million years and were deposited in warm shallow seas and near-shore environments. The nearly 40 identified rock layers of Grand Canyon form one of the most studied geologic columns in the world.

  8. List of national monuments of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_national_monuments...

    Monument Canyon runs the width of the park and includes rock formations formed by erosion. The monument covers semi-desert land high on the Colorado Plateau and has a wide range of wildlife including pinyon pines, juniper trees, ravens, jays, desert bighorn sheep, and coyotes as well as a range of recreational activities. [71] Craters of the ...

  9. Geology of Dartmoor National Park - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Dartmoor...

    Those sedimentary basins relevant to Dartmoor's story are i) the South Devon Basin, the rocks formed within which now stretch around the southern margins of the national park from Padstow via Plymouth to Torquay, ii) the Tavy Basin stretching from Tintagel through Tavistock to Newton Abbot and iii) the Culm Basin which corresponds to the whole of mid Devon.