100 FIELD COLUMBIAN MustumM— GEOLOGY, VOL. III. 
B. NICKEL-RICH ATAXITES. 
These ataxites are fine-grained to compact, and acquire, as a rule, 
on weak etching, a characteristic varnish-like luster. Stronger etch- 
ing produces a dull surface, having a peculiar velvety sheen. The 



SMIT} 
Name. Fe. | Ni. | Coo} cu]cr.| Pp. | s. | & } Si | Ch EY Miscep 
Babb’s Milk-.....22.- 85.30 [14 FO} sc ee foc oe fae aa| «ae ols» [oles in. 0} Bese tee nen ann Al. Mg 
(Troost Iron) 
4: 87.161 9.76). 2...) eee clan ce| need opts: calf 2 tens Seen re 
‘6 Mo. 
80.50 [IF 10). 2044... 0) anol cones wl sae ffs aoe I2)p Fe! 
t SL. S417. 7All 2OUi weiter, LI ‘Jove occ | so etre) eee ee Po Fes 
SI 64541730) 1 .07} 5051 4-03] sate ey MUM SAN ah cot ates | 
(Blake Iron) 0) Oe a ey ane) -) Pe ee a I ye 
* 86.30 [12-58] 1.66)... 2. , at [ so ee fa oe wae | opine cro etin tenn 
BSs2 311 kOe wy. 72ive ee aoe eet tr. 2} [033 ae MOLI Mad ey a3 ae 
“ 88.41 111.00} => s00} sees erOn| Meeaer. {f.{| \O30heeae SORT aaek Loss 5 cee 
a 
Botetourt 4.2. ess 85.88 18.523 - ols camel Spratt «Poche eg ate aloe Labs eats [eae oOo 
—Y’ 
Deep Springs, <2: 07.00 1EI 706). 2. 70)easethaea SOAS orcs aeten a so e 531 S3OU ereel ae are 
: 85 99 [13.441 0. 70) .O31esO3he OO] wees 02% |g ae ORs) Bole « <= 
Dehesazs cand es. 86.20 [14.20]. vec cde eee |s cee] os oa ae] oeee ee [ete a af tenement teen nnn ean 
Linville yar 54 SGl14. O58 35leaced ee tr -12.| “tre |. 215 )Seeeee eee eee 
% 83 1371 O032)= w7Gl O22 Mars tees 002, -T old, ba sie Mears ara | 
Morradalaevens. 7Q..07418.7-7| Aik O00) OO tte 27. |» is <a f= ae eur pete eee 
SOMiitanGg., . 2s. 5 82.83 |16.42] .o4]....] .06] .09 617 1, oc ucite cee Bate eee oe 
Weaverniccs ee. ey 80", 78.) £7 .O2K — OA lke oad os oe sg be, -15 |... 2] ote «ae | ote Geter 
