Nonconformity

{
  "id": "MLC-T-OAG-004397",
  "term": "Nonconformity",
  "field": "Oil and gas",
  "definition": "An unconformity where younger sedimentary rocks directly overlie older, eroded igneous or metamorphic rocks. This type of geological boundary represents a gap in the geologic record where the underlying crystalline basement rocks were exposed at the surface and eroded before the deposition of the overlying sediments. A nonconformity indicates a period of major uplift, erosion, and subsequent subsidence.",
  "subject": "Geology",
  "url": "https://mlchart.com/terminology/oil-and-gas/nonconformity/"
}