"Chiastolite" Quotes from Famous Books
 ... the Clay Slate and Grawacke Slate System; that is to say, it is higher in the ORDER OF SUPRAPOSITION, though very often it rests immediately on the primitive granite. The sub-groups of this system are in the following succession upwards:- 1, hornblende slate; 2, chiastolite slate; 3, clay slate; 4, Snowdon rocks, (grawacke and conglomerates;) 5, Bala limestone; 6, Plynlymmon rocks, (grawacke and grawacke slates, with beds of conglomerates.) This system is largely developed in the west and north of England, and it has been well examined, ...
— Vestiges of the Natural History of Creation • Robert Chambers
... consist of a clay-slate, with crystals resembling chiastolite and crystals of sulphide of iron interspersed. At the Cape itself the clay-slate is crossed by a thick vein of pure white quartz. Here, according to an old custom of Polar travellers, a stately cairn ...
— The Voyage of the Vega round Asia and Europe, Volume I and Volume II • A.E. Nordenskieold |
