52 Miscellaneous Localities of Minerals. 
sue several springs of pure limpid water from caverns of 
haps two feet diameter, and unknown extent. The 
iddle hill is N. of the first, and the 3d is N. W. of the 
middle hill, between whick a small brook meanders 
through a small patch of meadow. This latter hill fur- 
the b 3 
nishes the rhomb spar, and silvery ae and lime of 
t has fr 
so soon as most other lime, but continues in | 
jacent to the W. side of this rock isa ledge ae ile, 
dipping at a very acute angle. 
94. Greenstone, a vein about eight inches wide runni 
so N. and S. through the middle lime rock, ‘igor ee 
rently about forty-five degrees ; another similar vein 
oxi about fifteen feet E. of this, two and a half to three 
feet wide. 
25. The principal rock in the hills and in the vicinity of 
the lime rocks. 
96. Slate, forming a vein three to five feet wide, run- 
ning E. and W. through the middle of “ the Deater Lime 
Rock,” having an acute dip tothe E. Some of it contains 
sulphuret of iron 
The Deater. Lime Rock, of much the same appearance 
and quality of the Harris Lime Rock, is situated a little 
more than a mile 5S. E. from the latter, and about }. a mile 
W. of Blackstone river on the W. side of a basin, which i is 
considerably elevated above the Blackstone, surrounded 
by hills of argillite. 
60,000 casks of lime have been burnt in one year, from 
the Harris and Dexter rocks. It is said this lime will ad- 
mit considerably more sand than most other lime and form 
as good cement 
27 and 28. Sandstone Slate, or micaceous sandstone, 
fair specimens of the formation of “ Woonsocket Hill,” 
about a mile S. of W. from Woonsocket village. Smith- 
99. Micaceous Semele or whetstone slate, a vein 
commencing about } a mile of Woonsocket Village 
and running S. W. io a one Susie years from six to 
eight thousand dozen whetstones have been quarried in 
this place, but the average number for ten years past is 
ter 
e r 
