Note 27 — Chapter X · GEOLOGY OF THE MINE AND SURROUNDINGS.—SECTION OF REEF STRATA.—SURFACE SOIL.—CALCAREOUS TUFA.—LIGHT COLORED SHALES.—BLACK CARBONIFEROUS SHALE.—LIMONITE. LANDSLIPS.—BURNING REEF.—SULPHUR VAPORS.—NATIVES AFRAID TO WORK.—COAL PLANTS.—FIRE AND CHOKE-DAMP.—IGNEOUS ROCKS.—CONTRACTION AND EXPANSION OF MINE.—STRATA OF MINE ITSELF.—RED SAND.—TUFA.—YELLOW GROUND.—BLUE GROUND.—RICH AND POOR CLAIMS.—REMARKABLE BOULDERS.—GREASY SLIPS.—MESSRS. MASKELYNE AND FLIGHT’S OBSERVATIONS.

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