JUNE, 1911. ANALYSES OF STONE METEORITES — FARRINGTON. 207 
EXAMPLE I 
ALLEGAN 
Proc. Washington Acad. Sci. 1900, 2, 51 
Per Cent. | Mol. | Apat.| Ilm. | Chrom.|Orth.| Alb. | An. | Diop.| 8®™']uyp. loliv. 
2 OF Sean Ba-95 41 583 |. - Mes a 124), GOs 24 22 |459 |262 |197 
Pilg Oat cc's 2.55 A ne ze Re BML aCe hie: . Teast eee 
etal emis. 53 a eae, oe 5) ya Meee oA 7% 
ie LE eee Sear TLS | os). I 3 ‘aa oe ey 
Nar GI tes le .18 <4 ue te xfs Prat tae II |656 |262 |394 
Cd 0 eee mie007). 550) .: hs a sean fected x 
eG). et) 1273 RO eee fe: oA ES tod 04 ©, II 
Nae Osa. .66 CO peo if at Lah bold 8 ong re fen 
TSE ese ey naa 7a ae ah ie Dab lobe J 
SES Pee 25 oes ie 46 ; 
LEE War, bes .08 eee I 
Pawecack 21.09 Ath dager me 
Latins ee pee 1.81 Ae 
CSO an as .05 : 
SU Sear: .OI oe 
FSS RA h 5.05 uf 
Pe Opiarnat 27 Ba. 2 
RHATi ee ee ok as 100.00 
x + y = 656 (Mg. Fe) O 
x += = 459 SiO, 





x = 262 
y = 394 
Formula Mol. Wt. Norm 
Ke O.Al, O3.6 Si O2.. 2X 556 =orthoclase = I.II 
Naz O.Al, 03.6 Si O2. II X 524 = albite 2 Gh. 76eER 10,21 «Sal'io,21. 
a One 32. Oy.,. 12 X.278 =anorthite. = 3.34 
Cad OY Oana a. teal tO 
Me Oot, c.. « 9 X 100 + = diopside = 2.44 
Re. 0 Su Oss. =. +: ox 132 Pp 
\ 20 T! 
Cok st! ae pre t= ; Sas P+0O) 
Phe Omens. sot. 46. X 1324 ~ hypersthene = 27 .67 59.90 | 
2Me O57 O,..... <v4-Eb © Gli eer xe 
2 Fett Ov... Oe 1 O22 i ts ene 29.79 O Fem 
52 0 2.5 0 So 3.X 224 =chromite = .67 {M .82 | 89.45 
Be EV Aaya ars <5, +s I X 152 = ilmenite =) 15 
LENG lsd 6 or 2X 310 = apatite aa sy 
CONSE We Aas sass = troilite pe SOG. A 2n0 73 
eee ate Cad. «+ - = nickel-iron = 23.06 
99.66 
Perfemic Dosilicic Perpolic Pyrolic 
remo PON | 60772 07 ..5. PO° 59:00. 7. RP _ 30.11 (5. 3 
oS =, = Sr et eee oe 
Pem’ 89.45 7 A 74 ge Ss OI te .82 pet) SOUR Ta eS 
Permirlic Permiric Domagnesic 
CaO+MgO+FeO 690.7 MgO+FeO_667_7 Mg O/_ 550-7. 5. 

Naz O \ Sandee es Ca O py, Seay (PAO n OU em a aia 
