302 m:\\ 'iOKiv s'lATi: .mlsi:u.m 



The Iransiiion to the (\H\viiuins is abrupt. These 

 liijilier beds are best exi»osed in the city (jiiairy 

 near tlic Hudson cenieteiy. 



Huilsoii /ircr Ixds. The lowest beds exposed in this iv«;ion are 



the Hudson ii\( r shahs and sandstones. These are br<st shown 



at tlie norlhciii end ol .Ml .Moicno, just south of the city of 



Hudson. A (|uany at tiie extrt nie northern end of the liill sliows 



nnidrocks and sandroeks, forminji: a pitching anticline. Some of 



the beds are eai-l)()naceous and in tliese j»raj)tolites of b)wer Chani- 



]>lainic or 1>( ckuiantown age occur. Tlie following sp( cies are 



eonnnon : 



Pliylloi^raptiis ancrni^tirolins JhiU 

 P. itostrcnuis Ruvd. 



Tri.iri!ii(),ijn"ai)tns cnsifonnis IhiJl 

 Cliniacoirraptns i)iiiiirciis lined. 

 Dijih'.Lrraptns dcntatiis li/of/n. 



These beds represent according to Ruedemann, the third Deep 

 kill zone of the lower Hudson river faunas. 



Cambric strata have been rejiorted from Mt ^loreno but they 

 have not been definitely located. Higher uj) on the northern 

 face of the hill is a quarry in shales with a Xornnmskill or middle 

 Trenton graptolite fauna comprising C o e n o g r a p t u s g r a - 

 c i 1 i s Hall, I) i d y m o g r a p t u s Sagittarius Hall, D . 

 tenuis Hall, and other species. 



Burden conglomerate. A calcareous conglomerate in which the 

 pebbles are chiefl}^ limestones cemented by a more or less calca- 

 reous cement is exposed east of Mt Becraft on a small tributary 

 of Claverack creek. Fragments of it are found scattered over 

 Mt Becraft, and it also occurs at the Burden iron mine five miles 

 south of Hudson. Its age is probably lower Champlainic. 



26 General section of the strata of the southern Helderbergs and the 

 cement region of Ulster county, N. Y.^ 



Catsldll 1725 



WJiitc conglomeratic sandstone, forming the summit 

 of Slide mountain. It is a coarse grained heavy 

 bedded moderately hard sandstone containing dis- 

 seminated i)ebbles of quartz or light colored quart- 

 zite, and stix^aks of conglomerate. Greatest thick- 

 ness on Slide mountain 8.50 



'Darton, N. IT. Geoloj,T of Ulster County N. Y. N. Y. State Geol. l.'^th An. 



KoiVt. 1804. v.l, p. 207 ct sn/. 

 Prossor, Charles S. Classitioation and Dislrilmt ion of the llaniillon and 

 ('h(Mniin^ Series of C(Mitral and Eastern X. Y.. ])i 2. X. Y. State Geol. 

 17th An. l{("i)'t and X. Y. State IMns. .list An. \lc\)'t. ISOO. v. 2. 

 Van Inj;en. (J. and Clarlv, P. E. Distnrhed Fossiliferous Uoeks in the 

 Vicinity of Uondont X. Y. N. Y. State Paleontol. Kep't 1002. 1903. 

 \>. 1 177 (I s( tj. 



