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Dhaulvali-Barsu and Nakhare Area, Ratnagiri District, Maharashtra
Reconnaissance Survey (G4 Stage) for Critical Minerals
Dhauli–Barsu and Nakhare Area, Ratnagiri District, Maharashtra, India
A G4-stage Reconnaissance Survey was conducted for critical minerals associated with aluminous laterite in the Dhauli–Barsu and Nakhare area of Ratnagiri District, Maharashtra. The survey aimed to assess regional geological characteristics and identify zones of mineral potential for further exploration.
Scope of Work
Regional reconnaissance geological mapping of lateritic terrain. Identification of aluminous laterite horizons and associated mineral indicators. GPS-based location recording using handheld instruments for accurate spatial control. Preliminary surface observations and sampling from exposed laterite sections. Documentation of geomorphology, weathering profiles, and lithological variations.
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Field Investigations
Fieldwork included systematic traverses across laterite plateaus, abandoned pits, and natural exposures. Observations focused on laterite thickness, texture, color variations, and structural features. Handheld GPS units were used to record observation points and sample locations, ensuring precise spatial referencing.
Outcomes
Identification of prospective zones for critical minerals within aluminous laterite.
Generation of baseline geological and spatial data for planning G3-stage exploration.
Recommendations for detailed geological mapping, trenching, and geochemical sampling.
Significance
The reconnaissance survey provided essential regional-scale information and helped prioritize areas for detailed exploration, supporting informed decision-making and efficient resource targeting.
