48 ; Pentti Eskola. - (LXIII : i 5 
The analysis of the garnet gave the following results: d 
Ia Mol. prop. 
Si07- IOMA TIG 
TiO, 0.97 3 Sea 
AO, "8165 =080 
Fe,03 19.32 i En 
Fe NAR RAJ 
MnO 0.77 4 
MgO 0.84 > 21 
Na 0: 201000 DD RR 
KOM 00 
CEO SON VB5e 
100.38 
The analysis gives the ratio 
The theoretical ratio is 3: 1:3. The disagreement may 
be due to the various inclusions which necessarily escape any 
quantative estimation. fs. 
The figures resulting from the analysis of the pyroxene = 
are quoted below. 8 
Ya Mol. prop. 
Si0, 48.36 806 
Ti0, 0.78 2 RS 
EN 
Fe034 15.98 NS 
Fe0 12.64 — 175] 
MnO: 0: AON 826 
MoOk 64 AL 
87 
CaO 19.60 350 350 a 
Nea04 00 AT AR — 
K30- MORSE 
100.69 
