Page:South African Geology - Schwarz - 1912.djvu/62

Fig. 9. — Diagram showing the Relationships of the Igneous Rocks

A, Dyke running into a sill. B, Laccolite, ordinary type, C, Bushveld type of laccolite. D, Cedar tree, or Karroo type of laccolite. E, Bysmalite (under C).

dissolve one another with or without the intervention of water; and though heat quickens the process it is not essential. A cup of tea consists of water on the one hand, and tea, sugar, and the substance of milk on the