34 WILLIAM J. MILLER 
An important feature of the foliation is the notable variation in 
strike within the body of anorthosite-gabbro. Ranges in strike 
Fic. 2.—An exposure of anorthosite-gabbro showing notable local variations in 
composition and foliation. Just north of the northern road across the area. 
Fic. 3.—White dikes rich in plagioclase and scapolite cutting anorthosite-gabbro, 
one-third of a mile south-southeast of the northern road. 
from northeast to northwest have been observed. Notable 
variations also occur within relatively short distances, even within 
a few yards or rods. 
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