THE VOLCANIC ROCKS OF VANUA LEVU (_continued_)
THE ACID ANDESITES, TRACHYTES, QUARTZ-PORPHYRIES.
The Hornblende-Andesites of Fiji, 293.—Occurrence of Dacites in Fiji,
294.—Suggestion of “felsitic andesite” as a rock-name, 295.—The Acid
Andesites of Vanua Levu, 295.—The Hypersthene-Andesites, 296.—The
Hornblende-Hypersthene-Andesites, 298.—The Quartz-Andesites or
Dacites, 302.—Tabular comparison of the Acid Andesites, 304.—The
characters of the Rhombic Pyroxene, 306.—Magmatic Paramorphism,
306.—The Oligoclase Trachytes, 308.—Quartz-Porphyries and Rhyolitic
rocks, 309
_Pages_ 293-311