LIST OF PLATES 



[ Views. 



Plate 1. — Fig. 1. — Calc-gneiss with Aplitc veins, Dharol. 



Fig. 2 — Calc-gneiss, Khed Brahma. 

 „ 2. — Fig. 1. — Delhi Quartzite blocks in Biotite-gneiss, Dijio. 



Fig. 2. — Delhi Quartzite blocks in Biotitc gneiss, Dijio. 

 ,, 3.— Biotite-gneiss with Aplite veins, Damavas. 

 ,, 4. — Fig. 1. — Dip in Delhi Quart/.ite near Mau. 



Fig. 2. — Dip slope in Delhi Quartzite, Harnav R. 

 ,, 5.— Fig. 1. — Balanced block of Idar granite, Vasna. 



Fig. 2. — Delhi Quartzite ridge X. of Chorivad with Aravallis in 

 foreground. 

 ,, G. — Fig. 1. — Granite boss near Idar. 



Fig. 2. — Weathering of Idar granite. 

 ,, 7. — Fig. 1. — Ahmednagar Sandstone Hathmati R. 



Fig. 2. — Quartz-porphyry Tor, Sabli. 



Micro- Sections. 



Plate 8. — Figs. 1 to 6. — Calc-gneiss. 

 ,, 9. — Figs. 1 to 3. — Calc-gneiss. 



Fig. 4. — Biotite-gneiss. 



Fig. 5. — Quartzite block in Biotite-gneiss. 



Fig. G. — Biotite-gneiss. 

 ,, 10. — Figs. 1 to 3. — Granite aplite. 



Fig. 4. — Graphic pegmatite with tourmaline and sillimanite. 



Fig. 5. — Diorite aplite. 



Fig. G. — The same with crossed nicols. 

 „ 11. — Fig. 1. — Allanite in aplite. 



Fig. 2. — Amphibolite. 



Fig. 3. — Idocrase in Mundeti Series. 



Fig. 4. — Muscovite (sericite) schist with chlorite and tourmaline. 



Fig. 5. — White pyroxene rock. 



Fig. (5. — Tremolite rock (pseudo-jade). 

 ,, 12. — Fig. 1. — Quartz-pyroxene schist. 



Fig. 2. — Microcline rock. 



Fig. 3. — Massive white pyroxene rock with pyrolusite. 



Fig. 4.— Delhi Quartzite. 



Fig. 5. — The same with crossed nicols. 

 £ Fig. 6. — Delhi Quartzite of Kercha hill. 



