laccolith definition

  • noun:
    • A mass of igneous stone intruded between levels of sedimentary rock, leading to uplift.
    • scores of igneous or volcanic rock discovered within strata which makes the overlaying strata upwards and types domes.
    • size similar to lopolith but concave up.
    • A name written by G. K. Gilbert to masses of lava which, whenever increasing from below, have not found their option to the area, but have spread-out laterally, and formed a lenticular aggregation, thereby raising the stones above into dome-shaped kinds.

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