A scientific study of the Earth, its structure, processes, and history.

An official investigation or examination of a specific area for scientific or civil purposes.

विशेष क्षेत्र की आधिकारिक जांच

English Usage: The geological survey is essential for planning the new highway.

Hindi Usage: नया राजमार्ग योजना बनाने के लिए भूवैज्ञानिक सर्वेक्षण आवश्यक है।