PALAGONITE
Its abundance in a fragmental condition in Vanua Levu, 337.—Its
occurrence in deep-sea deposits, 338.—Modes of formation _in situ_,
338.—In the upper portion of a basaltic flow, 339.—In the groundmass
of hemi-crystalline basaltic rocks, 339.—In veins in a basic
tuff-agglomerate, 340.—In the fissures of a basaltic dyke, 341.—In the
matrix of pitch-stone agglomerates, 349.—In “crush-tuffs,”
341.—Regarded as a solidified magma-residuum of low fusibility,
342.—Its connection with crushing, 342.—Bunsen’s experiment,
343.—Rosenbusch and Renard, 344.—The Nandua series of beds,
345.—Suggested explanation of the origin of palagonite, 346.—Type of
basalt associated with palagonite, 347.—Hydration and disintegration
of palagonite, 348
_Pages_ 337-349