1887. ] 
NEW YORK ACADEMY OF SCIENCES. 
23 
which much of its material has been found suited to burning 
lime—and by the chemist, from a comparison of the following 
published analyses of samples of this rock from the most widely 
separated localities, arranged from Vermont southward. 
ANALYSES OF MARBLES AND CRYSTALLINE LIMESTONES. 
Locality. 
Brandon, Vt. 
Pittsford, Vt. 
ce “ce 
Hydes’ Quar- 
ry, Rutland, 
Vt. | 
West Rutland, 
Vit. 
West Rutland, 
Vt | 
Plymouth, Vt. 
Bristol, Vt. 
East Dorset, 
Vt. | 
East Dorset, 
Vt. | 
Lee, Mass. 
rear 
West Stock- 
bridge, Mass. 
East Canaan, 
Mass. | 
Mansfield) 
Woodhouse, 
Eng. 
Bolsover 
Moor, Eng. | 
Mansfield, 
Eng. | 
Gray. 
Variety. 
Florence. 
White. 
Dark bluish 
gray. 
Dark. 
Light. 
White, with 
grayish 
streaks. 
| 
| 
Dark gray. |81. 
] 
| 
| 
Gray. 
Vellow- aud 
hard. 
Yello wis h- 
brown and | 
compact. 
White sili-. 
ceous. 
Calcium 
carbonate. 
99.51 
99.05 
98 
97. 
99. 
O4. 
51. 
ol, 
26. 
| 
Magnesium 
carbonate 
| 
} 
| 
| 
el 
=) Sr 
former) C9 0% 
| Quartz and clay. 
es) 
| 3.55 
5| 0.85 
3.70 
3.60 
'17.98.51.40 
Ferric oxide (and 
alumina). 
Water. 
(=) 
jar 
ot 
0.59... 
O10 ore. 
2) 0100.27 
je eee 
0.15 0.70! 
| | 
0.300.380) 
trace 2.50 
| 
1.80/3.30 
| 
_..|With a little gra- 
phite. 
With a little gra- 
phite. 
on Pyrite, 0.18. The 
lime-kiln near 
this quarry in- 
dicates the oc- 
currenceof 
more calcare- 
ous layers. 
Pyrite, 0.37. 
Both stones re- 
main perfect 
in buildings of 
the twelfth 
century. 
Unfortunately these analyses are merely chemical, unaccom- 
