J. D. Dana on the Quartzite of Canaan, Ct 183 
pe: Eepentigh along the 40th parallel, west of the Rocky 
Moun 
1. QUARTZITE OF CANAAN, Connecticut. 
The village of Canaan is situated in Northwestern Connecti- 
cut, in the town of North Canaan, the northern town of the 
—. on the east bank of the Housatonic River. Canaan 
untain, an east-by-south and west-by-north ridge, stands 
Monts the southern border of the town. The quartzite out- 
crops occur to the north of this mountain, and within a mile o 
it, not far from the residence of Dr. Adam, on Blackberry River. 
The Green Mountain series of outcrops of quartzite, consist- 
ing in Massachusetts of prominent ridges and ridgelets, here 
has one of its southern terminations, none existing in Connec- 
ticut, as far as known, south of Canaan Mountain. This is not, 
however, the most southern extension of the rock, for other 
uterops occur at distant intervals twenty , miles farther west, 
in Dutchess Co., New York, and to the southwestward. 
e quartzite of Canteen constitutes low ledges in a region of 
crystalline limestone and metamorphic schist. ‘There are six of 
the ledges to Me. Joseph 
Tam sudasane of 
: ‘Ata mn 7 sees a large map are by Mr. coun 
8 ate guarate edges; A, Dr. Alas house; C. W. the Connee 
Nees ro Railroa 
