Geology terms helps us to explain the phenomena that occurs above, below and on the surface of Earth. These terms can help you gain a better understanding of geology. Learn more geology terms here.

Artesian Well

Artesian Well, a well in which water rises under its own pressure, without pumping.

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  • Seismograph


    Seismograph, an instrument designed to measure and record vibrations in the earth. See more »

  • Stalactites and Stalagmites

    Stalactites and Stalagmites

    Stalactites and Stalagmites, , formations often found in limestone caves. Stalactites hang from a cave's ceiling and frequently resemble icicles, although some have a flatter, curtain-like appearance. See more »

  • Stromatolite


    Stromatolite, a natural structure consisting of alternate layers of hardened sediment and the remains of bluegreen algae. See more »

  • Tektite


    Tektite, a small object of natural glass whose mineral composition is different from that of glass formed by volcanic activity on the earth. See more »

  • United States Geological Survey

    United States Geological Survey

    United States Geological Survey, an agency of the Department of the Interior. Its main functions are to appraise the nation's mineral and water resources and to survey and map the country's physical features. See more »

  • Water


    Water, the most common substance on Earth's surface. It also covers more than 70 percent of Earth's surface area and exists as vapor in Earth's atmosphere. See more »

  • Weathering


    Weathering, in geology, the natural decay and disintegration of rocks at or near the surface of the earth. See more »

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