279 
gray augite, egirine, and green biotite, all in about equal quan- 
tities. Apatite and iron ore occur but sparingly. 
29. 
Analyses of Hedrumites. 
29 | A B 
Si | 56.90 59:88 | 57°52 
О | 109 |  .85 92 
MO... 16°34 17°87 18-46 
Ra OU : | 361 2:67 2-23 
HO AMENER loire 1:50 | 2:44 
Mao. | trace trace | 1:20 
Ми | 22 | 1104 1:08 
BE) о | aa BORE 219 
INGO ere eon TR | e758 
О. | 4:96 5-69 4:08 
H,O above 110°... | 1:10 90 | 1/80? 
HOR 1102... | "08 
(DRASS . | trace 
PROB.“ rer 
Total... 10050 | 10069 | 99-64 
Sp er. | 2.783 
Hedrumite, Akuliarusek, Igaliko Fjord, $. Greenland. С. 
Winter, analyst. 
. Hedrumite, Sundet, Aasrum Lake, Norway. У. ScHMELcK, 
analyst (W. С. Brösger, Die Eruptivgesteine des Kristiania- 
gebietes Ш, 1898, р. 190). 
. Hedrumite, Skirstad Lake, Norway. У. Зснметск, analyst 
(W. С. Brôccer. I. с.). 
? Loss on ignition. 
