BAILEY: ‘COMPOSITION OF GYPSUM. ROCKS: ‘ 35 
Calculating the above constituents as they probably exist in na- 
ture the result would be: 
Per Cent. 
SILOM AG MNSOLUbNe MESKCU GK Wyn MUN a Nik aniy My inewt ene AaO 
Ibiopabyechuiahyshbhankbaibliotgop, skal utara mits aM Micanennen yal ay er ls aye 
CG UUT SUNDA GN IAN Nc Cane 0 apie aru e lcs aii kate Sar | ue ele aie rms 
\Qecilholwbhianated lanl mfepoitsh we uM saan sipany raise neta Manne acta wouter cg afncch ap als (loys! 
INF eWecine\cnhbligalauto(ahaln {onal hepa y Meus cu iare EN am NNpRIae mits concen oie Lalo, 
VAL O MWe Me wip deayaiebomelde skipuc Ae victie! Wigvechy’ceMMntly Mercer enn Cin VRlny a eae 
Only one specimen of the gypsum was obtained from Clay coun- 
ty. This was from the mill at Longford, in the southwestern part 
of the county. The composition is as follows: 
Per Cent. 
SULiGd An MMSOlU DLE  TESICUG awn iG. vpicinmany thaws aloe 
ecco tamatahaeulfibanynalb lan icep: cis kis jay Ra ema moat acc EE NMR cel falar 700 
\Cieullor thine telah bouncy Tae eta ket d Ran init Mua mn RRA Vics), 7 
Indl clients Abba co pb hul aNargey Gur Dee CusaD ab io Aneel aLbet an aan aya ri cK) 
HEMI Ni tole eebntl nia dah athal Matai Mun wun Ra tee Ma LUMEN aN Cru NMI a shop 7V/ 
(Cahn pj alan Melidapratale (or: HRoh n= Wacpak ite te eines Ma cer eat als ty HG) 8G 
NCO TO rise MR cy an cee atucat ta tolate Au aeMe Ate Sein 1c ays teeta CeCe 
Ki Drotisd lc eGR een on ics eR CURE RR OEMS ie cyte lot Ua) 
Calculating the above constituents as they probably exist in the 
tock, the result would be: 
Per Oent 
SHOR CAN SOU TESTO yy Wires dab 0 viet an nutes Be nOw) 
vnohath chalaleiahbonahinnah saberop-aial eee Mannie CHARMING MCU rei niiecah ae avin 05 001 
(Ceailloiiihaa HehBhich cla ae eta Unhe Cea aminar Miah umnnn Mantancr mash ciaty ay Ws16 | 15)0) 
(neki btaalvtake blohakcni: WMC an pene Penaomn a Timm UCC eRER Ze Ah}s 110) 
NiO SETI CATOONATCN, Foie hui Sele Wa oliniy nin Aun Gaiiet sere sian I 
\AV/21I oie a eae Brak irae Maire ne BARR Ore MMS Sage Ure uN a rm nt Le] a 
It will be noticed by an inspection of the analyses that but one 
iS given from Barber county, while seven are from Dickinson 
county, three from Saline county, and one only from Clay county. 
There has been great activity in Dickinson county, especially, in 
this industry for the past ten years. 
3ut little need be said at this time in the discussion of the com- 
Position of these rocks. It has been noticed from the analyses 
above given and from a large number of other analyses of similar 
Material made in the University laboratories, that the per cent of 
Calcium sulfate is from sixty to eighty. The amount of water us- 
ually corresponds quite closely to the amount that theoretically 
HA Ve014 i 
Alkalies undetermined. 
