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  1. 4 days ago · Tectonic plates are composed of the oceanic lithosphere and the thicker continental lithosphere, each topped by its own kind of crust. Along convergent plate boundaries, the process of subduction carries the edge of one plate down under the other plate and into the mantle.

  2. Which statement describes the formation of metamorphic rocks. A- rocks beneath the surface melt. B- rocks above the surface eroded. C- rocks beneath the surface are forced toward the mantle. D- rock layers near the surface decrease pressure on layers beneath them.

  3. Jun 15, 2024 · A formation in geology refers to a distinct rock unit that can be distinguished from the surrounding rock layers based on its lithology. Formations are formed through various geological processes such as sedimentation, volcanic activity, and metamorphism.

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  4. 4 days ago · Some of the rock formations are sharp and prickly; others smooth and wave-worn. Towards the southern end of the preserve, the rocks are worn into shapes not much higher than the sand and erosion has caused bowl-like holes and swirling lumps.

    • Hole in the Rock (rock formation)1
    • Hole in the Rock (rock formation)2
    • Hole in the Rock (rock formation)3
    • Hole in the Rock (rock formation)4
    • Hole in the Rock (rock formation)5
  5. 3 days ago · A 2.4-billion-year old micro-fossil has been discovered in Western Australia's Hamersley Ranges. Research is under way to confirm if the microfossil is the oldest known evidence of complex life on ...

  6. 4 days ago · Most agates occur in cavities in eruptive rocks or ancient lavas. These agates have a banded structure, successive layers being approximately parallel to the sides of the cavity. It is probable that they have been formed as follows.

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  8. 4 days ago · In J. Hood Wright Park lies the Manhattan Schist , which, at 450 million years old, is the second oldest rock formation. These bedrock ridges are all part of what used to be a massive mountain...