Montmorillonite

{
  "id": "MLC-T-OAG-002425",
  "term": "Montmorillonite",
  "field": "Oil and gas",
  "definition": "A common clay mineral belonging to the smectite group, known for its expansive properties when hydrated. It is a major component of bentonite and forms from the alteration of volcanic ash. Montmorillonite can cause wellbore instability and swelling in shales, posing challenges during drilling operations.",
  "subject": "Geology",
  "url": "https://mlchart.com/terminology/oil-and-gas/montmorillonite/"
}