Anomaly

{
  "id": "MLC-T-OAG-000139",
  "term": "Anomaly",
  "field": "Oil and gas",
  "definition": "A deviation from the expected or average value of a geological or geophysical parameter, which may indicate a subsurface feature of interest. For example, a gravity anomaly can suggest variations in rock density, while a magnetic anomaly might point to magnetic mineral concentrations. Identifying anomalies is a key step in exploration.",
  "subject": "Geology",
  "url": "https://mlchart.com/terminology/oil-and-gas/anomaly/"
}