Detail Of the Mines and Quarries

Thoothukudi district represents a well-developed lithopackage of meta-sedimentary sequence
inter banded with charnockite Group of rocks. The rock types exposed are of quartzite, calc-granulite,
garnet-biotite-sillimanite gneiss, garnet quartzo-feldspathic gneiss and garnet-biotite-cordierite gneiss
belonging to Khondalite Group of rock. Charnockite and pyroxene Granulite are the Charnockite
Group.

The Department of Geology and Mining office is functioning in Thoothukudi District under the
control of District Collector, Thoothukudi. The Assistant Director, Geology and Mining is assisting
the District Collector in the mineral administration works.

Further, In Thoothukudi district there are 5 Limestone mines and 60 Rough stone quarries in operation.