Annals and Antiquities of Rajasthan, or the Central and Western Rajput States of India v1.c16.s2.1

v1.c16.s2.1

The general character of the Aravalli is its primitive formation : ¹ granite, reposing in variety of angle (the general dip is to the east) on massive, compact, dark blue slate, the latter rarely appearing much above the surface or base of the superincumbent granite. The internal valleys abound in variegated quartz and a variety of schistous slate of every hue, which gives a most singular appearance to the roofs of the houses and temples when the sun shines upon them. Rocks of gneiss and of syenite appear in the intervals ; and in the diverging ridges west of Ajmer the summits are quite dazzling with the enormous masses of vitreous rose-coloured quartz.