A specific layer within geological strata that is used to understand the history of geological and environmental changes.

भूवैज्ञानिक स्तर

English Usage: "The stratigraphic level of the fossil indicates it is from the late Jurassic period."

Hindi Usage: "जीवाश्म का भूवैज्ञानिक स्तर यह संकेत करता है कि यह लेट जुरासिक अवधि से है।"