1 30 THE GRANITES OF MATNK. 
The quarry consists of numerous openings on several sides of a 
hillock 100 feet high. 
Rock structure: The sheets, 3 to 15 feet thick, are horizontal, but 
on the east side of the hill dip 10° S. Vertical joints strike N. 75°- 
80° W., and also X. 30°-35° E. There is no marked rift, but a 
vertical mass 4 feet thick, striking X. 65° W. across the hill, lias a 
horizontal rift and greatly facilitates quarrying, as it serves the 
purpose of a channel. 
The plant consists of 3 hand derricks, 2 steam derricks. 1 horse 
derrick, and 3 big wagons. PI. XII, />, shows the character of this 
work. 
Transportation: The product is carted in 7 to 10 ton loads one- 
fourth to one-half mile to wharf on Carvers Harbor. 
The product consists entirely of paving blocks, which find a mar- 
ket in Xew York, Newark', and Philadelphia. 
The Harbor quarry is in the town of Yinalhaven, on the east side 
of Sand Cove, near Yinalhaven village. Operator. Bodwell Granite 
Company, Rockland. .Me. 
The granite is a biotite granite like that of the Sands quarry, 
described on page 129, but is harder and is therefore discarded for 
structural uses and employed only for paving, according to demands. 
The quarry is about t50 feet from northeast to southwest by about 
300 feet from northwest to southeast and from 10 to 40 feet deep. 
The sheet-, from 2 to 5 feet thick, lie horizontal on the top of the 
hill, but dip southeast and northwest up to 15° at the sides. The joints 
are like those at the Sands quarry (fig. 26), but an additional set 
strikes X. 25 AY. 
The Bodwell black-granite openings are in the town of Yinal- 
haven, in the diabase area west of Sand Cove. Operator, Bodwell 
Granite Company. Rockland, Me. 
This rock (specimen LJ, a) is an olivine norite, of almost black color 
and of fine texture, consisting, in descending order of abundance, of 
a network- of usually slender crystals ( from 0.37 to L.66 nun. in length ) 
of grayish unaltered lime-soda feldspar (labradorite to bytownite) 
tilled with hypersthene, greenish olivine, black mica (biotite). and 
magnetite. It takes a very line polish and cuts white. It is not ob- 
tainable in wvy large blocks. This stone is referred to by George P 
Merrill." 
The Gundelow quarry is on Gundelow Island, south of Barton 
Island, west of Vinalhaven Island. It produces paving blocks, but 
was not in operation in 1905. 
The George Gins quarry is at the north end of Green Island, be- 
tween Yinalhaven Island and Hurricane Island. It produces paving 
"Tenth Census, vol. 10. p. 24. 
