June, 1911. ANALYSES OF STONE METEORITES — FARRINGTON. 205 
Permagnesic. Extremely magnesic; having Mg O more than seven times Fe O. 
Mea? 
POs 
Permiric. Extremely miric; having Mg O + FeO more than seven times Ca Os 
MgO + FeO = va 
4 OY ie 
Permirlic. Extremely mirlic; having MgO + Fe O+ CaO” more than seven 
Mg O + FeO + Ca O” wads 
K, O” + Naz O” ta 
Perolic. Extremely olic; having olic minerals (olivine, akermanite) more than 
: : : B I 
seven times the pyric minerals (pyroxenes). O < 
Perpolic. Extremely polic, having polic minerals (pyroxenes, olivine, akermanite) 
more than seven times the mitic minerals (magnetite, ilmenite, titanite, hematite, 


times Ke O”’ + Na, O”. 

Puy oly 
etc.). Va > .: 
Perpotassic. Extremely potassic, having K» O’ more than seven times Na: O’. 
SAE ee 
Nag O iI 
Perpyric. Extremely pyric, having pyric minerals (pyroxenes) more than seven 
times the olic minerals (olivine, akermanite). rey e, £. 
Perquarfelic. Extremely quarfellenic; having normative quartz, feldspar, and 
feldspathoids more than seven times corundum and zircon. ae > L. 
Perquaric. Extremely quaric; having normative quartz more than seven times the 
normative feldspar. £ > f. 
Pol. Syllable mnemonic of the femic silicates pyroxenes and olivine, including 
akermanite. 
Polic. Characterized by the presence of the femic silicates. 
Polmitic. Having equal or nearly equal amounts of polic and mitic minerals. 
oO 5 3 
M an 3 = 5 
Pyr. Syllable mnemonic of pyroxenes. 
Pyrolic. Having equal, or nearly equal amounts of normative pyroxene and olivine 
or akermanite. = < 5 > a: 
AEs 5 , 
Q 
Quar. Syllable mnemonic of quartz. 
Quardofelic. Having felic minerals (feldspar) dominant over normative quartz. 
pS: 
“ees 
Quarfelic. Having equal or nearly equal amounts of normative quartz and feldspars. 
DELS 3 
i >, 
Pees 5 
