RErORT OF THE DIRECTOR 1898 



r21 



( 1 c Clarksburg formation 

 Upper Marquette series -j 1 h Michigamme formation 



[ 1 a Ishpeming formation 



1 f Negaunee formation 



1 e Siamo siate 



I 1 d Ajibik quartzite 

 Lower Marquette series i ^ ^ ^^^^ ^j^^^ 



1 h Kona dolomite 

 1^ 1 a Mesnard quartzite 

 Rocks of the Keweeoawan area of Lake Superior 





' 



a) 





2 



s 





£ 



^ 





g 



03 



t« 



CO 









a ■ 



o 



'3 



O 



< 



:3 



1— 1 



W 





. 



M 



3 \ 2 Keweenawan system 



a Basic original rocks 

 h Acid original rocks 

 c Detrital rocks 



Conglomerate, sandstone 



Paleontology 

 Donations 

 From Dr A. H. Getty, of Athens N. Y. : fragments of the 

 Carapace and a few bones of a large turtle, found in Quaternary 

 deposits near Athens, Greene co. 



On deposit 



From Dr Isaac B. Davenport, of Paris France : 1 specimen of 

 Upliantaenia chemungensis, from Yistal, Broome co. 



Purchases 



From Charles Lewis : a fossil stump of a tree from the Hamilton 

 strata of Gilboa, Schoharie co. 



From Ogden H. Cooler, of Monroe N. Y. : a large fossil plant, 

 in situ in the Hamilton strata, near Monroe, Orange co. 



From Dr R. M. Bagg jr : 2 boxes of unidentified fossils from 

 the Eocene, Miocene and Pleistocene formations of Maryland and 

 Virginia. 



From S. W. Adamy : 1 specimen of Uphantaenia che- 

 mungensis, from Union, Broome co. 



