74 



INDEX. 



Page. 

 Oxford and Watson mine, description of... 53 



O.xidation, occurrence of 42-43 



Ozark Plateau, extinction of, in Kentucky- 

 Illinois district 14-15 



topography of 14-15 



P. 



Packers Gap, location of 17 



Paragenesis of minerals 40 



Parkenson mine, description of 53 



location of 58 



Patton mine, location of 52 



Pell, mines near 53 



Pell, William, fluorspar found by 12 



Pell mine, descriptions of 53 



Peneplain, location of 16 



Pennsylvanian rocks, occurrence of 17,20 



Pentremites fiorealis, occurrence of 22 



godonii, occurrence of 24 



pyriformis, occurrence of 24 



tuberculata, occurrence of 24 



Pierce, H. B., work of 50 



Pittsburg Mining Company, mine of, de- 

 scription of 58-59 



mine of, rocks near 38 



Platycrinus huntsvilli, occurrence of 21 



Pope County, faults in 32 



geology of 58 



mines and prospects in 11, 58-60 



ore deposits in, character of 36 



rocks in 17, 22-23, 25, 26, 30 



topography of 14-15 



Powell, W. J., on diverse displacement 33 



Princeton limestone, equivalent of 23 



Production of fluorspar 67-70 



Prospecting, guides for 70 



Pumpelly, Raphael, on fiuorite 64 



Pyrite, character of 39 



Q- 



Quartz, character of 37 



occurrence of 63 



Quaternary deposits, character, and occur- 

 rence of 17-18, 27 



Quartzite reefs, occurrence of 33 



R. 



Rainey mine, description of 51 



Ransome, F. L., on faulting 33 



Raum, mines near 58 



Raymond. R. V., on Fairview mine 44 



Raymond, Anton, and Filers, on lead min- 

 ing 12 



Rock, prospecting near .59 



Rockville, Wis., galena from, analysis of .. 62 

 Rosielare, cross section from Karbers Ridge 



to 30 



fluorspar mines near 11-12 



galena from, analysis of 62 



rocks at and near 21, 23, 25, 28-30, 43 



Rosielare area, faults in 43 



geologic map of 18 



geology of, resume of 43 



mines and pro.spects of 43-48 



Page. 



Rosielare member, character of 22 



occurrence of 22, 29, 48 



Rosielare mine, description of '. 4.5-47 



developments at, disclosures of 40 



discovery of 12 



fault at 33 



rocks in 26, 41 



water in 42 



Rosielare quarry, rocks in 28-29 



S. 



Safford, J. M., on Tullahoma formation 20 



St. Louis limestone, character of 18, 20-21 



contact of Tullahoma formation and. . . 18-20 



occurrence of 16, 18, 20-21, 28, 43 



ore in 43 



Ste. Genevieve limestone, character of .. 18,21-23 ■ 



occurrence of 18, 22-23, 28-29, 43, 48-49 



Saline County, minesand prospects in ... 11,60-61 



rocks of 60 



Schoolcraft, H. R., on fluorspar 12 



Sedimentary rocks, occurrence of 17, 27-30 



Sedimentation, period of, history of 34 



Seminula trinuclea, occurrence of 22 



Shawneetown, fluorspar from 12 



Shetlerville, fossils and rocks at and near. . 22-23 

 Shetlerville Hills, location and character 



of 16 



origin of 36 



Showalter mine, location of 52 



Shumard, B, F., on Ste. Genevieve lime- 

 stone 23 



Silver, occurrence of 38, 



Smith, W. S., Tangier, on fluorspar 



on Illinois igneous rocks 



Smith and Ulrich, work of 



Smithsonite, character of 



Soward farm, rocks on 



Spar. .SfC Fluor.spar. 



Spirifer increbescens, occurrence of 



leidyi, occurrence of 



Spiriferina Norwoodi, occurrence of 



transversa, occurrence of 



Steiger, analysis by 



Stenopora cervinus, occurrence of 



Stewart mine, description of 



Stibnite, character of 



Structure, geologic, character of 



general relations of 



Taylors Spring, prospects near 59 



Tennessee, production of fluorspar in 68 



Tertiary depo.sits, character and occurrence 



of 16-18, 26 



Threemile Creek, mine on 53 



Topography of Illinois district 1.5-17 



Tribune limestone, character of 18, 24 



occurrence of 18, 44, 46 



Tullahoma formation, character of 18-20 



contact of St. Louis limestone and 18-20 



name of 20 



occurrence of 18, 20 



