1. Granite:
In the Eastern-ghats, Rajasthan, in the Himalayan ranges, these rocks are in abundance. They mostly contain orthoclase, quartz, muscovite and small amounts of hornblende.
2. Basaltic rocks:
As deccan traps, occur in abundance in Gujarat, Madhya Pradesh, Maharashtra, A.P. etc. Their mineralogic contents are usually plagioclase, augite sometimes a little olivine.
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3. Pegmatites:
In Bihar, Andhra Pradesh and Rajasthan. Felspar, (Quartz and mica are the usual minerals.
4. Lamprophyres:
These are dyke-rocks and are believed to have arisen from the same general body of magma. Mostly occur in the coal-fields where they are more prominent. In case of mica- lamprophyres-biotite is the dominant-mineral. In Hornblende lamprophyres, hornblende is dominant. In Augite lamprophyres- Augite is dominant. But their occurrence is rare.
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5. Anorthosite:
In Eastern Ghats, they are found, in Bankura of West Bengal, Sitampundi Compbx ofTamilnadu, Banpur, Angul of Orissa. Dominantly composed of labradorite feldspar.