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A drone-based magnetic survey was conducted with a magnetic sensor for the first time in India over a mechanised diamond mine. The paper briefly describes the findings of the drone-based Magnetic surveys over the Majhgawan Diamond Mine in Panna District, Madhya Pradesh, India. The data was interpreted using the Geometrics interpretation software. The experiment showed a promising result in deciphering the lamproite pipe depicted by a magnetic high intruded into the Baghain sandstone of the Kaimur Group. From the total magnetic anomaly map, it can be observed that a high magnetic anomaly of about 27 nT in the central part of the pipe which forms a part of the near-circular anomalous zone, is associated with the diamond-bearing pipe and demarcates its boundary.
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Mukherjee et al. (2024) studied this question.
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