384 



GEOLOGY OF OLD HAMPSHIRE COUNTY, MASS. 

 Record of artesian-well boring at Holyole — CoDtinued. 



Kind of rock. 



Dark-gray shale mixed with red 



Same 



Fine, coal-black shale : calcareous . 



Chocolate, shaly sandstone. 



Same 



Dark-gray shale 



Same 



Bright-chocolate shale 



Dark-gray shale 



Black shale 



Light-gray, calcareous shale 



Dark-gray, calcareous shale 



Dark-chocolate, fiue-grained sandstone. 

 Same 



Same I more m icaceous 



Black shale 



Gray shale 



Dark-gray shale with layer of light-buft", highly calcareous sandstone- 



Dark-chocolate, shaly sandstone 



Same ; micaceous 



Dark-gray shale with admixture of 475 j 



Dark-gray shale ; layers of fiue-grained, light-gray, micaceous sandstone. ■ 



Dark -gray shale; micaceous and only slightly calcareous j 



Reddish- gray, fine-grained, shaly sandstone \ 



Chocolate-colored, fine-grained, muscovitic sandstone 



290 

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 347 

 355 

 360 

 365 

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 380 

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 390 

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 408 

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 435 

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 460 

 472 

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 485 

 490 

 500 

 505 

 510 



Parsons Paper Company, Holyoke, Mass. A separate partial series 



from the same well as the last. Samples deposited in collection at Amherst 



College. 



Record of artesian- icell boring at Holyoke. 



KiDd of rock. 



Eed-brown, fine-grained, marly sandstone, very ferruginous 



Black shale 



Very coarse, rusty sandstone 



Coarse, dark sandstone 



Same, granitic 



Black shale 



Same 



Dark-brown sandstone 



250 

 365 

 400 

 420 

 425 

 435 

 445 

 455 



