31G M:\\ YORK STATI-: MUSEUM 



T'Hcftnfonnit}/ (covorliip: tlio interval from nbont Middle Cham- 

 j)laini(' to Tpper Siluiic ( Salina i. 



Huds<))i rii'cr strata raiiLiiii<i' in ai-e from Normanskill (Middle 

 Trenton) or earlier to Lorraine, and of nnknown thickness. 



In sHMH'tni'e the cement reiiion is a siM-ies of synnnetric anti- 

 clines and synclincs of the Appalachiiin type [tig. 2()(>-7]. This 

 huH been described by Lindsley^. Dale-. Davis-, l^arton'. and for 

 the northern region by van Ingen and (Mark". In the Kingston 

 region the strnctnre is further (•oni])licated by fanlts which have 

 been worked out with much eare by van Ingeu and Clark. One 

 of the most important of the faults is the great overthrust on 

 Korth hill. Kingston, by which many of the strata are rej>eated. 

 the Kondout waterlime restin«»- on the lower Port Kwen beds 

 [fig. 208]. 



'ft 



' ronglikeepsie Troc. Soc. Nat. Sci. 2 :-W-^8. 

 - Am. .Tour. Sci. ser. 3. 16 :293-9o. 



3Mus. Corap. Zool. Bui. 7:311-29: and Am. Jour. Sci. ser. 3. 26:389-95. 

 *N. Y. State Geol. 13tli An. Hep't. 1:291-372. 



»N. Y. State Paleontol. An. Rep't 1902: N. Y. State ^Ins. Bui. 09. p. 1170- 

 1227. 1903. 



