Deep Time Knowledge Base: This repository contains the documents, materials, source codes we collected and developed for a deep time knowledge base. The work is based on an NSF funded project. For more details please check the website: https://www.deeptimekb.org.
Data source: The international geologic time concepts are from the International Chronostratigraphic Chart by International Commission on Stratigraphy. The regional geologic time concepts are TimeScale Creator by led by Dr. James Ogg.