Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 1 Vanua Levu, Fiji
CHAPTER XXV
SILICIFIED CORALS, FLINTS, LIMONITE
Mode of occurrence of the silicified corals, 351.—Their character and structure, 352.—Flints, nodules of Chalcedony, Agates, etc., 353.—Other siliceous concretions, 354.—Jasper, 355.—Deposits of Limonite, 356.—Magnetic Iron-sand, 357.—Suggested explanation of the silicification of the corals, 358.—Note on a silicified Tree-fern, 360
_Pages_ 350-360