Bouma sequence

{
  "id": "MLC-T-OAG-000429",
  "term": "Bouma sequence",
  "field": "Oil and gas",
  "definition": "A classic vertical succession of sedimentary structures observed in turbidite deposits, representing deposition from a waning turbidity current. It consists of five distinct layers, labeled A through E, from bottom to top: massive sandstone, laminated sandstone, ripple-laminated sandstone, laminated mudstone, and pelagic mudstone. This sequence provides insights into deep-water depositional environments.",
  "subject": "Geology",
  "url": "https://mlchart.com/terminology/oil-and-gas/bouma-sequence/"
}