Study of Igneous Activity in Vernula-Pulivendla Parnapalle Region... http://127.0.0.1/xmlui/handle/123456789/2416 2026-04-17T22:36:58Z 2026-04-17T22:36:58Z Study of Igneous Activity in Vernula-Pulivendla Parnapalle Region Andhra Pradesh India: and its Relation to Nonmetallic Mineralisation Rao, M. Nageswara http://127.0.0.1/xmlui/handle/123456789/2417 2017-10-10T05:41:05Z 1967-10-01T00:00:00Z Study of Igneous Activity in Vernula-Pulivendla Parnapalle Region Andhra Pradesh India: and its Relation to Nonmetallic Mineralisation Rao, M. Nageswara 1967-10-01T00:00:00Z