6 H. C. COOKE 
ah 2* 3t 4t | st ot 7t 
SO 43.2 161.7 | 380.38 | 474.0 209,100.0 773 Anes ope 
Chee 7.9 186.4 D7 19.0 127.6 0.52 13.77 
COx na: 110.5 T5LSe AN | LLG )O 20.5 Undetermined | 47.7 241.4 
SiO. 25.0 24.4 | 30.5 133.4 616.0 37.8 59-9 
Rees brrete 80 10.6 198.0 8.4 Sai Ahinrad (hala heise arse 62.26 80.9 
Na. 36.4 LO AG eS y feet 132.0 535-0 0.27 6.86 
Carers ByinAl 146.4 | 148.1 Ioo.1 1,286.0 72.4 Tes ey 
Migr): | NDE Ds ETA ELS AAO 5-9 6,590580- 0 |" 2 Pa)enet | ee 
ATER ick 0.4 TON seers 1 Sf 0,67010°) Hi. Glace ae 
IM) Golo 0.8 O16 )4| testa bere 885 O° | vane. 3s neeeeee 
Belek 0.7 Bre | sapere lenaliie ater Stel¥ hint ects Actes. bal | ete oe 
Fe” ’.. 6.33 5,025.0 
PNCONT Ghia AHI vials estas ea te sree eye aay etl IL iene 147.5 ooo ee 
(OL DTI eA Renee Pei eter eee We innit Mlbae eV errors RIPE occa 0 || soccs 
gt ot rot x18 128 138 148 
SO gs 160.0 Gl 7.8 258.4 26.55 280.1 124.8 
Clie 16.82 3.16 Rol Aliee sere airs 12.4 
CO} 194.7 TATS 0] TAOOO [ieee ee A eee | 
Sion 68.9 Bey 41.4 23 8.0 8.8 18.0 
eel et 254.1 1.0 DOr ene Sa eo sa lec al Ot er 
Nate ee 7.84 13.4 TQ Ee a) Oa eh se ee 
Caieenenn: 84.08 Be} 56) 44.35 90.76 72.48 106.2 46.4 
ANY Ree es] titel Sai) Boas 13 10 14.9 17 ea 14.5 
AU SHR [OA RU See (avaae eae al Wuhan els 1.5 0.4 T.5) Veen 
TYE ea ele ee 0.27 1.9 Ae 4.1 1.9 ae 
1 Deis Bist unre tenae | Laer aia me) Neveu ail] cami eal ee ob ene AIDES AA ; 
Bese: AB ea lliabesp ee eke v late bey 2s oa 6.3 47 eee 
Ncidityes| ieee Alkaline| Alkaline) 23253057 hose § ole | 
ACTS eS AS a act steer LSD ce 2.8 47.4 18.88 8.9 
15! 161! 171 ae Average 
SO} sec Gon r2 |" TO“. 4y 202085 slse7n2 179.0, excluding 5 and 17 
Cli ities: Alia it 50) 8.16 35.6 7.7, excluding 2 and 5 
COE 78.3 O27 Aan 87.9 116.0, excluding 2, 5, 11-14, 17 
510,.. BAAR. || AS. 43.8 64.8 38.6, excluding 5, 
Key tee 2.4 Be5 70.0 3.4 27.0, excluding 2, 5, 8, 11-14 
Nae 28.5 7s 100.3 148.8 | 40.5, excluding 2, 5, 11-14 
Cale 17.3 46.2 187-.2 68.8 83.2, excluding 5 
II i ge T3 7.3 93-5 6.3 40.0, excluding 5-9 
aN Ee | enantio a uaa ca SEO tear ane 1.5, excluding 3, 5-10, 14-16, 17 
Vitara 3 BR 155.6 On 2.0, excluding 3-8, 14, 17, 18 
Ee sane Tis; 2.9 TOA Ss Aye e 
CLASS are hnenapie hllaeenteges Ili iar ch ts 0.7 
Acidity, |)/Alkaline|VAlkalinel coo) pee en 
7AaNemoni ira ier ek eke eae Mette AQ OOM | Pee ees 
(Oi secre | aeeeue sein] Mater cata oeten ie ete 77.05 
*S. F. Emmons, 17th Ann. Rep. U.S.G.S., Part 2, p. 462. 
{ Reed, Bull. Dept. Geol. U. of California, 4, pp. 189 and 102. 
{ Lindgren, 17th Ann. Rep. U.S.G.S., Part 2, p. 121. 
§ Beck, Nature of Ore Deposits, Weed’s translation, II, 377. 
|| W. H. Emmons, unpublished manuscripts. 
{,L. J. W. Jones, Proc. Colo. Sci. Soc., VI (1897), 48. 
** R.C. Wells. 
