275 
Analyses of nepheline-porphyries and related rocks. 
| | 
| 27 | 28 A | В 
| i TT >> an | = 
Bae or | 5131 | 5488 | 53:19 55-65 
и. 1°20 62 | trace 
Во... | 2154 | 20:43 22:57 | 20:06 
0... | 368 | 2:08 1-98 3:45 
BE... т 339 1-72 1-25 
MIMO ee fee 7: | ål | trace trace 
о. | 18 | trace "49 ‘78 
О... ie) 01:39 Sere ES Es 2°55 1-45 
ВО... | 925 | 1070 | 886 | 899 
о... | 5:49 S74 | 2 660 | 60% 
И. | | 1 Мы 1-51 
H,O at 110°.... | и | | 
Ben. >... I la | om a 
В. | trace trace trace 
и. ПОЕТ: ОВ | — | 
| 98-98 | 9991 | 
M—-0......:. | 04 | | Sea 
Total...) 9894 | 10024 | 99-83 | 99-21 
Soie | a Sa, 
27. Nepheline-porphyry, Fox Bay type, Akuliarusek, Igaliko Fjord, 
S. Greenland. С. Dettersen, analyst. 
28. Nepheline-porphyry, Nuk type, Akuliarusek, Igaliko Fjord, 
$. Greenland. С. Winter, analyst. 
A. Nepheline-syenite-porphyry, Val dei Coccoletti, Predazzo. 
М. Ditrrica, analyst (С. Romperc, Sitzungsberichte der К. 
preuss. Akad. d. Wiss. 1902, p. 748). 
1 Determinations by Dr. С. WINTHER. 
? Determination by Dr. К. J. У. STEENSTRUP. 
18* 
