Table I. — Showing the Sedimentary Consti 



uents of the Ground nf S!,,.„,„ ,'„ //.. iv.,.. v„^i. t,...: 



New York Sections. 



1 



1 

 ! 



s z 



1 I 



1 



Is 



'*j 1 zj M 



CB i» ^ Pt< 

 t' t # ..'. 



O 



1 



1 

 1 



3 



o 



i 



[— j — 



J_ ^ ^ « , . ^,^u, i„,„ ±JUI,lll. 



1 

 1 



o 



1 



_3j 



-3 



1 

 1 



1 



1 

 '■J 



s 

 ss 



s 



i 



i 



1 



ll 



'i 1 

 ■■. » 



s 

 s 



g 



a 



Prevailing Mineral. 



CatskiU Group 



Chemung Rocks 



Portage Rocks 



Genesee Slate 



2000 » 

 lilOO * 

 1000 t 

 1(X) .. 



Clay and Silex. 



Clay and Silex. 



Clay and Silex. 



Clay. 



Limestone. 



Calcareous Shale. 



Black bituminous Slate. 



Limestone. 



Limestone. 



Lime and Silex. 



Calcareous and Ai'gillaceoua Sand.stone. 



Haniilton Rocks 



800 .. 

 100 .. 

 70 .. 





















* 





Marcellus Sliale 













* 



Corniferous Limestone 













, 









Schoharie Grit 



JO .. 













* 













* 



Cauda-Galli Grit 



Oriskany Sandstone 



40 .. 

 70 .. 



■■■■- * - 



















Upper Pentamerus Limestone 



30i... 

 40j... 

















■•■* 



^ 



J'* 



Limestone. 



Limestone. 



Limestone. 



Limestone. 



Silex and Clay. 



Limestone. 



Limestone. 



Silex. 



Ai'gillaceous Sandstone. 



Quartz. 



Quartz and Clay. 



Argillaceous Shale. 



Ai'gillaceous Limestone. 



Siliceous Pure Limestone. 



Limestone. 



Calcareous Sandstone. 



Siliceous Sandstone. 



Lower Pentamerus Limestone 



60... 

 lOO'... 



1000; ... 



4... 



340'... 





t ... 















* 



... 





...j... 

 » » 



■■■' * ... 

 * 1 »'... 

 ■■■'» '* 



Coralline Limestone ot" Schoharie. . . 



Clinton Rocks "l 



Medina Sandstone ^ 



! * 



1200 ... 



650 * 

 200 ... 



ll I 



f « 









* 



» ' « j... 





*... 



Oneida Conglomerate j 









... 







1 











«• 



* 









* '♦ 



Utica Slate 











350 ... 













» 









* i« 





30 ... 

















* 





Chazy Limestone 



100 ... 



















Calciferous Sandstone 1 



70o';- 



::: * I 











♦ 







1 ' 



Potsdam Sandstone j 















1 



















'^'''"■•f'»"'''Geol.Soe,vol.: 



t Micaceous Shale. 

 Table III. — Analyses of some European Pakeozoio Strata. 





Upper 

 Silurian. 



Middle 

 Silurian. 



Lower Silurian. 



Cambrian. 



Minerals. 



Wenlock 

 Limestone. 



Dudley. 



Dolomite. 



Mayhill 

 Section. 



Bala 

 Limestone. 



Yspatty 

 Evan. 



Bala 

 Limestone. 



Rhinlas. 



Llandeilo 



Rock. 



DinoverPk. 



Llandeilo. 



Cambrian 



Limestone. 



Chm-ch 



Stretton, 

 Longmynd. 



Limestone. 



Craigmuir, 

 Inverary. 



Veins and 

 masses of 

 White 1 



Limestone. 



Ki-agerod, 

 Norway. 





9009 

 1'26 



2'30 

 •46 



60-8 



28'3 



1-4 



Al. -3 



39-54 

 1-85 



4-68 

 •16 

 52-27 

 .-73 

 -.53 

 •24 



19^51 



ro4 



'-82 



-56 



7313 



3-50 



79-97 

 -52 



'•'82 



•56 



17-85 



■56 



63-10 

 -80 



8-51 



■55 



26-98 



-33 



73-34 

 -28 



I'-'io 



•44 



24-03 



■21 



-54 



89-24 

 -19 

 -19 

 -07 

 -21 

 8-29 

 -77 

 -22 

 -82 



Cai'bonate of Magnesia 



Carbonate of Manganese . . . 

 Alumina and Sesq. ox. iron 





513 i 4 

 : »6-7 

 ■76 -8 





Water 













100000 



lOO-OOO 



100-000 



100-000 



100-000 100-OUO 



100000 



100-000 



To face page 2oi. 



Table II.~n,P«z„„,„.^^^^^ 



'iments of Wales and (he adjacent 



co"li=i^r£::s 'i^^"' 



Grits, white, quartS,, ' (^<=<l»™t-) 



Grits, mieaeeoua j "" I'™^ 



Quarzitogreymiea-;^- 

 Quartz-rock, geeen 



Tilestone,yeUow, micaceous' 

 Sandstone, gi-ej 



Sandstone, fine^ 



Sandstone, fine' 



Flagstone ' 



['sandy '''] 



calcareous 



1 coarse (grit?) 



Schists -j gi'een 

 olive, 

 I dark 



I, black .[[W 



Mudstone 



Carbonaceous shale 



Shale, olive 



Shale, black '' 



Slates, fine 



Slates, gi-eenish. (linguia-'flaiisi 



Ludlow Eock, olive .. 



Ludlow Eock, gi'eeu ,[, 



/pui'e? ['' 



Limestone J P^^andarg^aoeous. 



argillaceous 



[ arenaceous 



Lechclawdd. 



Horeb Chapel. 



Lechclawdd. 



Storm Hill. 



Lechclawdd. 



Maudinam. 



MayHUl. 



Bala, Wenloch Sh. 



Golden Grove. 



Dinas Bran. 



Keeper's Lodge, Llaudovcrv. 



Builth, &c. 



Cefu ddw. 



Ludlow. 



Pensarn. 



\ Caradoc. 



Peumorfa. 



Mortimer's Cross. 



Park Lane. 



Aymestry. 



Dudley. 



WooUiope. 



Bala. 



* From Murchison and M'Coy. 



Table IV. — Analyses of some Hocks from Canada. 



■ 



LOWBU SlLUUIAN. 



Upper Silurian. 



Minerals. 



Trenton 

 Lime- 

 Btone; La 

 Cloche, 

 Lake 

 Hiu'on. 



Trenton 

 lime- 

 stone ; 

 Lake Sim- 

 coe. 



Ti-enton 

 Lime- 

 stone; 

 Montmo- 

 renci Falls, 

 Quebec. 



Hudson- 

 River 

 Rocks; 

 Quebec. 



Niagara 

 Lime- 

 stone ; 

 Drum- 

 mond Isle, 

 Lake 

 Hiu'on. 



Niagara 

 Lime- 

 stone; Isles 

 North of 

 Drum- 

 mond Isle. 



Lime 



38-51 

 29-6/ 

 18 

 10 



99 



"i 



90 



i'o 



78 

 15-5 



"6-5 



r33 

 142 



6-25 



7 



8-4 



2-30 



1 



43-04 

 34-10 



1 



14-'80 

 1-06 

 5 



Carbonic Acid 

 SUex 





Magnesia 





Coal & Bitumen 





96 



100 



100 



100 



99-95 



99 



* Protocarbonate of Iron. 



