150 University Geological Survey of Kansas. 
Another sample of this material showed a per cent. of 6.49 of 
silica and insoluble residue, but this is evidently below the ay- 
erage of the deposit. 
Gypsite from a bank about three miles south of Dillon, known 
as ‘‘Aluminite,’’ and manufactured by the Dillon Cement Plas- 
ter Company, gives the following analysis :“ 
78. 79. 
Silicayandsinsolublesresicuei ea eee re eee alifgall@) 3.18 
IhRosay ayavel AKUoMV AON OMG oocdaccdbacceo odds voce badcoosovoee 2.04 0.95 
Calor amM Ox h See tee CO AU MTEC eA aU ene RO a A (OX 32.16 
Magn esitim ro xi 6 ac Ali ce) oii ha dui sure tira Wate aue Vr nu aire aE 0.59 0.15 
Sulphiuricvanhy deride. cae eee ae een es gene al grates pene ra nies 33.28 41.00 
Carbonydioxidercalculated) peer eee eee ee ee ecere 4.04 2.90 
WW altGer yi ee Ae eC TEN lad tr UC a Oe 15.16 19.44 
Dye itl k= Peas ea ert LS yes Een Pe REM IN uO aN A aU at AS 99.83 99 .29 
If the constituents are combined as they probably exist in 
the sample : 
78. 79. 
Silicavandemsolwlol Sere STGiuie meee wearer ae 17.10 3.18 
lieve, Gravel sUlibioarbayban OCS), bscoccncogovgsosoddovdvos.c000 s006 2.04 0.95 
Miaone simmer car bomatelse es caster ita crane) ster rd tee a ana Ge 1.24 0.33 
CaleimimCarbomate ye iais Scope Pes ae a Tecate ae Ga Na) Boks 
Caletuim (Supa Ce wedi eee tere oO een oa 56.58 69.70 
Water eee tet AG oo. atti deakeahen is ACI: Sc SAU ior cia ce ent ASI eel ee SG 19.44 
Totals es Ue es ia 2 aR aes Ee SR Ee atk Bega etn Ree 99.83 99.78 
GYPSITE FROM RHOADES. 
5 || gen | team | Bea os 
surface.®!|surface. 81| 0 P&G: acre.°! 
Silicia and insoluble residue....... ..| 3.06 4 25 482 5S 7 8.78 
Iron and aluminum oxides........... 0.34 (0) 53 0.79 0.49 1.98 
Magnesium carbonate................ 0.90 0.21 0.34 A 1.12 
Calciumicarbonatene ee eee ee eer 11.03 3.56 4 52 oe Lo 2D 
Calciumyisulphatewee eee eee oer Yor, | OD | Gib | D).Gs) 58.25 
CWA CGE. My tGUae ete OL 2 ey cnr met aieaei ys 17.24 20.82 20.41 18.64 20.66 
A OWEN SN din oR Recon mab Aton Jou SET 99.89 98.88 99.02 99.96 98.04 
pate This was not an average sample, as a part of the bed was under water at the time it was 
taken. 
78. Analysis by Bailey and Whitten. 80. Analysis by Bailey and Whitten. 
79. Analysis by Bailey and Stafford. 81. Analysis by Paul Wilkinson. 
os 
