Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 1 Vanua Levu, Fiji
CHAPTER XXI
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