An Exploration of Building a Thematic Sub-database within the Framework of DDE:A New Detrital Zircon U-Pb Dating Database

摘要

Within the framework of the Deep-time Digital Earth(DDE)project,thematic databases driven by scientific issues will have strong scientific vitality.In the field of sedimentology,thematic databases based on the current unified sedimentary knowledge tree established by the Sedimentary Data Group(Fig.1),can solve specific scientific problems effectively and improve the scope and utility of the DDE platform significantly.