Biostratigraphy

{
  "id": "MLC-T-OAG-000353",
  "term": "Biostratigraphy",
  "field": "Oil and gas",
  "definition": "The branch of stratigraphy that focuses on dating and correlating rock layers using the fossil content within them. It involves identifying and analyzing index fossils, which are species with a wide geographic distribution and a short stratigraphic range. This technique provides a high-resolution framework for understanding geological time and sedimentary basin evolution.",
  "subject": "Geology",
  "url": "https://mlchart.com/terminology/oil-and-gas/biostratigraphy/"
}