Note 15 — Chapter VI · PLUTONIC AND METAMORPHIC ROCKS:—CLEAVAGE AND FOLIATION.
Reading edition
See Mr. Brooke’s Paper in the London Phil. Mag., vol. x. This mineral occurs in an ancient volcanic rock near Rome.
Reading edition
See Mr. Brooke’s Paper in the London Phil. Mag., vol. x. This mineral occurs in an ancient volcanic rock near Rome.