142 University Geological Survey of Kansas. 
GYPSUM FROM NOVA SCOTIA.° 
EEE EO EE eee 
‘ 
Sulphuricacidtenn cc eee eee Seer ee 43.65 | 48.98 | 40.84 44.86 
Wadi re isso lete Pa ere oe IO SI PRA De geod ict TL eae | 18.47 20.02 
Insolubleympacidsrn. Soy tees eee cet ee rae 1.88 Y BY 0.99 fal 
Un@eterinimed ys a5 ie ees ae ene Ne On ee nar ean 4.28 Bett | WL XO 0.97 
Hydrated sulphate of lime (gypsum)........... ~ 94.84 | 94.56 | 87.81 96.46 
TO Gall iets Ee oN Lema nit oy a Bah Re gee Roe ee 100 100 100 100 
GYPSUM FROM NEW YORK. 
Cayuga.°®? Onondaga.®? 
Fiydratedscalciumirsulphatennce nee eeeee 74.09 64.53 73.92 
Insohulblexe nie iecany io hate for ses verre eee eee ae 6.05 OL LY 4.64 
Othersmatterychretly/CaCOne a eee 19.86 24.27 21.44 
The average of the New York plasters : 
Land plaster.®+ Severance quarry.®® 
Hydrated calcium sulphate .......... 65 to 75 per cent. | 80 to 90 per cent. 
insolwlolemmatenraliaeeewserse re waren GV UO) ft} 10 per cent. or less. 
Calciumycarbonate enna ne ee ere IS 1k) 2s) OS Trace. 
Maonesiumicarbonatenc. cease ae ety Reena ren ener 5 per cent. or less. 
GYPSUM FROM OHIO. 
The following analysis is given of asample from Ottawa county 
by Professor Orton :” 7 
Rotten 
A Land 
camino Lee ale Rete: 
BATA KeCe9 (Cl cs DEN) nena aaron cat nC nT cet se Seu ch ERE At 20.14 20.00 19.70 
nso lumbleswresiau cise see cee ee oe ne nee 0.68 0.46 0.91 
Fae qouaonaatety| GAUlP ODA) Ween VenEeE NA iI RH Sioa SG 0/3 0.16 0.29 0.60 
@alciumroxides(Ca@) ee eee eee eee 30) 52} 32.76 32.35 
Wipyeravasiuban Oracle) (MUO) co'chocecc0sb 00066800 0Gb008 0.56 0.03 0.54 
SLUM NAS BOSON scodeoongowuoescsoosoaooadcges 45.56 46.20 46.38 
IDG bev LSet hy. es St gee Ba, lth ihe Ran aa dr a en 99.62 | 99.74. | 100.48 
61. Report Ct. Agric. Exp. Station, 1883, p. 62. 
62. Id., 1884, page 75. 
63. Id., 1883, page 62. 
64. Id., 1882, page 50. 
65. Bulletin N. Y. State Museum, Vol. III, page 81. 
66. Geol. of Ohio, Vol. VI, 1888, pages 696-702. 
