206 
GEOLOGY OF THE FIRST DISTRICT. 
LOCALITIES. 
Several. 
Many. 
Many. 
IMot noted, 
E’ly & W’ly 
if memory 
serves me 
N18» W ... 
Conglomerate 
Talcose slates 
and primary 
rocks 
Prim., trap & 
other rocks 
Slate, conglo¬ 
merate, sie- 
nite, etc. 
NE to SW.. 
Uniform to¬ 
wards the 
ocean, course 
not specified 
S’ly up an in- 
Personal ob¬ 
servation in 
1833. 
Geol. of Mass, 
p. 395. 
Hitchcock’s 
Geol. Mass. 
AJ,27,p.342 
Bost. Jour. Sc. 
p. 91. 
At the gap of the mountain in Bolton, on the Hartford 
and Providence turnpike. 
Canaan mountain and Mount Tom in Litchfield. 
Top of Wachuset mountain, three thousand feet at 
tide. 
Lowell, half a mile from the river, near the place where 
the railroad enters the town. 
In Roxbury and Dorchester. 
In Newton, two and a half miles E.S.E. of the Baptist 
Seminary, half a mile S.W. of a small pond. 
N and S 
slightly W of 
NandEofS 
N150 W ... 
NNW&SSE 
N 18° W ... 
N38°W ... 
Nand S .... 
Hitchcock’ 
Geol. Report 
1841, p. 394. 
In the north part of the 
valley, N.8» to 13° W. 
and in the south part 
N. 8° to 13° E. 
Trap rock., 
Mica slate .. 
All hard rocks 
Granite . 
Rhode-Island 
New-Hamp- 
shire 
Many 
places. 
Granite . 
Gneiss .. 
Slate ... 
do ... 
Talcose slate. 
Slate ... 
Gneiss., 
Mica slate .. 
Granite , 
N5° W ... 
NW and SE 
N 15° W .. 
N and S ... 
N 5° E .... 
N 10° W .. 
N and S ... 
A J, 14, p.20. 
Hitchcock’ 
Geol. Mass, 
p 389. 
do 
AJ, 34, p. 107. 
A J, 22, p. 166. 
2d Geol. Rep 
Maine, p. 50. 
do p. 65 
1st do p. 5" 
do p. 2J 
2d do p. 91 
do p. 91. 
do p.95. 
Throughout the west part of Massachusetts, even the 
highest mountains. Some exceptions. 
Throughout the valley of the Connecticut river. Some 
exceptions. 
Throughout the eastern part of the State. Some ex¬ 
ceptions. 
In the northern part of Essex county. 
In Royalston. 
In Petersham. 
In Princeton. Supposed to be deflected by the Wa- 
chusett mountain. 
About Mount Holyoke and some of the valleys. De¬ 
flection caused by the course of the valley. 
In Florida. Hoosac mountain, two thousand four hun¬ 
dred feet high. 
In north part of Rowe and Windsor, southwest part Causes of deflection ap- 
of Saddle mountain, on Bald mountain, and in the ' ' "" ^ 
tunnel in the east part of Saddle mountain. 
Mount Washington and Mount Everett.* 
Various parts of the State. 
Grafton, in top of valley between the Connecticut and 
Merrimack rivers, one thousand feet. 
On the top of Mount Monadnock, at a height of three 
thousand two hundred fifty feet above the ocean, over 
many acres. 
On the west and northwest sides of the same mountain. 
On the west side of a ridge on an inclined surface near 
the stage road in Rumney towards Plymouth. 
On a mountain in Hebron. Coimnon on the mountain 
rocks in that vicinity. 
Belfast. Grooves across contorted slate. 
Scarboro’. 
In Belmont. 
[n Charleston. 
Near the corner of Winthrop on the road to Redfield. 
In Winthrop. 
Hallowell granite quarries. 
Richmond on the road to Portland. 
Vide also Dr. Jackson’ 
letter to Prof Silliman 
American Journal of 
Science, Vol. 34, p. 72. 
I and \\ve p-incipal exceptions. 
