CE eee aE. 
in the Counties of New-Haven and Litchfield. 235 
2. Mica slate succeeds and occupies the country, for 
many miles. : ' 
3. Gneiss succeeds to the mica slate, and occupies the 
country for many miles more. 
crystalized primitive marble, and, including the formation 
further south, between New-Preston and: New-Milford— 
these beds of marble, are included in strata of mica slate 
and gneiss—the whitest and most crystaline and purest 
marble being in the gneiss. 
9. West of Litchfield, a few miles, (as 1am informed from 
the best authority,) there are hills of primitive hornblende 
and sienite. 
of Werner, and the secondary district, on which New-Ha- 
ven stands, includes a considerable portion of his seconda- 
ty formations. 
The direction of the ranges of primitive rocks, is general- 
ly North, a little inclining to East, and of course South, a 
little inclining to West; the inclination of the strata, is to 
the East, at an angle, varying very much in different pla- 
es; the strata are in some places, nearly vertical and in 
. 
others, at angles of less than 45° with the horizon. 
* Possibly it is on'y in veins. 
