The caverns of Luray : an illustrated guide-book to the caverns, explaining the manner of their formation, their peculiar growths, their geology, chemistry, etc. . portions of carbonate of iron in the water whichtrickles down the growing edge. The stalactite assumes a thou-sand forms, and one of the chief pleasures of the visitor is tostudy and account for its wonderful vagaries. 2. Stalagmite.—Meanwhile a growth has been taking placebelow from the drops which have fallen upon the floor and thereevaporated. The result is a solid column much larger than its «5 correspondingstalactite. Sta-lacti
The caverns of Luray : an illustrated guide-book to the caverns, explaining the manner of their formation, their peculiar growths, their geology, chemistry, etc. . portions of carbonate of iron in the water whichtrickles down the growing edge. The stalactite assumes a thou-sand forms, and one of the chief pleasures of the visitor is tostudy and account for its wonderful vagaries. 2. Stalagmite.—Meanwhile a growth has been taking placebelow from the drops which have fallen upon the floor and thereevaporated. The result is a solid column much larger than its «5 correspondingstalactite. Sta-lactite and sta-lagmite oftenmeet in mid-airto form a pillarextending fromfloor to Hdie tite.—The Luray Caveproduces a newand peculiar for-mation, neitherstalactite norstalagmite, forwhich is pro-posed the namehelictite (Greekhelisso, to bend ortwist), to indicatethe contorted orbroken line ofgrowth which itaffects. The he-lictite abandonsthe vertical prefers to ex-tend horizontal-ly from one tothree inches,until it can befree to move inany then oftengrows upward,seldom down-ward. This eccentricformation is duetoaslowcrystal-. THE CONICAL SHOT. A Combined Helictite, Stalagmite, and Stalactite. i6 lization taking place on a surface barely moist, from material con-veyed to the point of growth by a capillary movement. Thepolar forces concerned in crystallization by a happy chance con-tinually getting the better of gravitation, it departs from the ver-tical line to which cave growths are usually restricted. 4. Calcitc Crystals are deposited in still water. They areabundant in the cave, forming the sides and bottom of its nu-merous springs and lakes, but should be distinguished fromothers found protruding from the blue limestone of the ceiling,the latter having been formed therein long before the period ofthe cave. 5. Cave Pearls are formed about pebbly nuclei in water agi-tated by falling drops. Botryoids result when adjacent massesof stone are bespr
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Keywords: ., bo, bookcentury1800, bookdecade1880, bookidcavernsoflurayil00amme
