Abstract
The mining lease area of Surka [District Bhavnagar, Gujarat (India)] is located within 6–12 km horizontal distance of sea shore of Gulf of Cambay. Whenever, there will be onset of lignite extraction, there will be always a threat of sea water intrusion into the mining lease area due to its close proximity to seashore. This article describes the prediction of sea water intrusion into the lease area of whole mining block using Ghyben-Herzberg relation between fresh and saline water, Remote Sensing, Ground Truth verification, Electrical Resistivity Survey and groundwater table monitored during the year 2004. As per the Ghyben-Herzberg relation, results show that there will not be sea water intrusion. If there is excess pumping of water then also the basement rock below the lignite seam will put hindrance to any possible upconing of saline water interface.
Highlights
Surka Mining Lease area is located at a distance of 30 km in the south of District Bhavnagar (Gujarat, India) belongs to Gujarat Mineral Development Corporation (GMDC) shown in the location map of the area as Figure 1
In Surka mining lease area, the disposition of lignite seam ranges between 55–118 m depth from surface and in other words 32–95 m from mean sea level (MSL)
The mining block is surrounded by some prominent villages namely Bhuteswar, Bhumbhli, Rampur, Thoradi, Surka, Pithalpar and Tagadi
Summary
Surka Mining Lease area is located at a distance of 30 km in the south of District Bhavnagar (Gujarat, India) belongs to Gujarat Mineral Development Corporation (GMDC) shown in the location map of the area as Figure 1. In Surka mining lease area, the disposition of lignite seam ranges between 55–118 m depth from surface and in other words 32–95 m from mean sea level (MSL).
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