i68 PRINCIPLES OF STRATIGRAPHY 



character. For a more extensive tabulation the student is referred 

 to Clarke's Darta of Geochemistry. As with the waters of lakes, so 

 here a number of divisions are made, but no hard-and-fast line can 

 be drawn between end members of adjoining groups. The follow- 

 ing springs are given : 



A. Spring near Magnet Cove, Arkansas — ordinary (Car- 

 bonate) spring water. 



B. Spring near Mount Mica. Paris, Maine — ordinary (sul- 

 phate) spring water. 



C. Artesian well, Cincinnati — chloride waters. 



D. Upper Blue Lick Springs, Kentucky — chloride waters. 



E. Utah hot springs, 8 miles north of Ogden, Utah — chloride 

 waters. 



F. The Kochbrunnen, Wiesbaden — chloride waters. 



G.* Well, 2,667 ^^^t deep at Conneautsville, Pa. — chloride wa- 

 ters. 



H." Boiling spring, Savu-Savu, Fiji — chloride waters. 



I.f Congress Spring, Saratoga — chloride waters. 



J.f Steamboat Springs, Nevada — chloride waters. 



K. Bitter Spring Laa, Austria — sulphate waters. 



L. Cruzy, Herault. France — sulphate waters. 



M. Pine Creek \"alley Spring, near Atlin, British Columbia — 

 carbonate waters. 



N. Orange Spring, Yellowstone National Park — mixed waters. 



O. The Sprudel, Carlsbad, Bohemia — mixed waters. 



P. Chalybeate waters, Mittagong, New South Wales — mixed 

 waters. 



Q. Old Faithful Geyser, Upper Geyser Basin — siliceous wa- 

 ters. 



R. Excelsior Geyser, Midway Basin — siliceous waters. 



S. Great Geyser, Iceland— siliceous waters. 



T. Hot Spring, Sulphur Bank, Clear Lake, Cal. — borate water. 



U. Viry, Seine-et-Oise, France — phosphate water. 



V. Holy Well, Zem Zem, Mecca — nitrate water. 



W. Tuscarora Sour Spring, 9 miles south of Brantford, Can- 

 ada — acid water. 



X. Solfatara at Pozzuoli, Italy (volcanic) — acid water. 



Y. Hot Lake, White Island, Bay of Plenty, New Zealand 

 (a 10% solution of HCl) — acid water. 



* With much calcium. t Notable quantities of other acid radicles present. 



