132 
Analyses of foyaites and related rocks. 
| 4 A B С 
И 56-31 56-40 56-10 54-55 
BOSSE ERR, ae 84 21 | Be 
On Sa GERS ] 31 
Е MI. 20:11 21:36 21:80 19-07 
Re OR ad 3:93 2-96 2-26 2-41 
Be Opa oi? a: 1-45 2-39 87 3-12 
MNO} Le Le "60 49 58 17 
МОЕ re 36 90 83 1-98 
LAON 62 1-81 88 3-15 
Nag Orsi aid: 8:76 8:57 9°85 7:67 
RADAR az 4-65 4-83 4-35 4-84 
EONS à 113 01! 1-66! "721 
Er A 15 45 
POE te 13 74 
101-02 100-15 
el oa. 03 10 
Total 100-99 | 10056 | 100-05 99-82 
Sp. gr 2-67? | 
4. Foyaite, Naujakasik, $. Greenland. С. Detiersen, analyst. 
A. Nepheline-syenite, Poutelitschorr, Umptek, Kola. Е. Erca- 
LEITER, analyst (У. Hackmann, Der Nephelinsyenit des Umptek. 
Fennia XI, 1884, p. 139). 
B. Nepheline-syenite, egirine-bearing, Ruma, Los Islands. Pısanı, 
analyst (A. Lacrorx, Les syénites nepheliniques des iles de 
Los. Comptes rendus CXLI, 1905, p. 988). 
С. Lardalite, main type, Love, Lougendal, Norway. У. ScHMELcK, 
analyst, (W. С. Bréccer, Die Eruptivgesteine des Kristiania- 
gebietes, III, 1898, p. 19). 
1 Loss on ignition. >” Determination by Dr. STEENSTRUP. 
