groundwater

Area: Groundwater Resources

1. Title of Project:	High-Resolution Geophysical Investigations to Delineate Cavities and Vesicular Basaltic Zones in Deccan Traps of India for Minerals and Groundwater Resources
2. Project Number :	NWP-0046
3. Project Leader :	Dr. Shakeel Ahmed
4. Co-Project Leader :	Dr. Dewashish Kumar
5. Duration:	April 2007 to March 2012

6. Objectives:

The project envisages an integrated multi-disciplinary study for hidden mineral wealth and

groundwater resources of both economic and strategic value.

Identification of zeolite cavities and vesicular basaltic zones with the help of HERT (High-Resolution

Electrical Resistivity Tomography) using multi electrode resistivity imaging,

magnetic and electromagnetic techniques is the present study.

7. Staff [Only S&T Staff]

S#	Name(s)	Designation	Email	Tel.
1.	Dr. Shakeel Ahmed	Sct G	shakeelahmed@ngri.res.in; shakeelifcgr@gmail.com	23434657
2.	Dr. Dewashish Kumar	Sct C	dewashishkumar@ngri.res.in dew_kumar@yahoo.co.uk	23434700 extn.2636
3.	Mr. E.Nagaiah	STA	enaga_k05@yahoo.co.in	23434700 extn.2560

8. Results achieved so far:

v Delineated Groundwater saturated vesicular/weathered basaltic zones which possess resistivity ranges from about 15-90 ohm-m but Zeolite cavities have higher resistivity in the rang of 150-200 Ohm-m while massive basalt > 500 Ohm-m

v Zeolites cavities are the contributing sources for groundwater

v Drilling at few sites had confirmed the presence of Zeolites and latter resistivity logging clearly delineated the weathered & fresh zeolite bearing zones based on resistivity values

v The characteristics resistivity obtained for fresh basalt in association with zeolite have a resistivity ranges between 90-105 Ohm-m while the weathered zeolitic basaltic layer have resistivity values lies between 40-50 Ohm-m as compared to 500-600 Ohm-m which corresponds to fresh basalt without the presence of zeolite

9. Linked Sponsored projects : nill

NWP-0046

3.

Mr. E.Nagaiah

STA