"Tufaceous" Quotes from Famous Books
 ... of these towns, the road passes over a coarse rock mass, which weathers into spheroidal shells. At Jilmeca and some other points along the day's route the rock over which we passed was a white tufaceous material loaded with streaks of black flint. Sometimes this black flint passes into chert and chalcedony of blue and purple tints. Here and there, along the mountain sides, we caught glimpses of rock ...
— In Indian Mexico (1908) • Frederick Starr
... was of three different kinds. A mixture of lime and clay, a tufaceous deposit, and an apparently recent deposit of soapstone, containing a variety of substances, as alumina, silica, lime, soda, magnesia, and iron. The ranges on either side of the glen were generally varieties of gneiss and granite, in many of which feldspar predominated, coarse ...
— Expedition into Central Australia • Charles Sturt |
