|>:irt 2] CAHHOMKKHul S I.IMKSKLNK (»F S. N\ V LKS CUALII KM). l-iT 



riic LTrou)) is wi'll-oxposed ill tluvc (juanics between (inn's-t'aeii 

 and Miskiii, and farthiT west in two «|uarrics, near Ystradowen 

 and Llansannor ivs])eeti\ely (see t'aunal list, U-hnv). In Hrotisein 

 QiuiiTV I (Jlani. 12 N\V A UJ), nortli of (iroes-faen, linely-crvstalline 

 ldue-jj;rev dolomites form a hand, ahont 12 f<'et thiek, at the base 

 of the erinoidal limestones, and are underlain bv a thiekly-bedded 

 gi-ey oolite, seen to a thiekness of aljout 20 feet. In an old (|iiarrv 

 (Glam. 42N\V\l.")) 400 yards east of Miskin, the base of the 

 erinoidal limestones is hiii^hly dolomitie. lioth in an old (juarry 

 ((tlam. 12 XW Al7 1 north of Croftau and in a (juarry (dlam. 

 41 SE A 1 ) east of Ash Hall, Ystradowen, the erinoidal limestones 

 aiv seen to pass uj) into the Laminosd iJolomite. 



Fauna. 





Local! 



ty. 





Genera and species of 

 corals anil brachiopods. 























1. 



2. 



3. 



4. 



5. 



.l»«/)l<'j'H» ronj??o»V7fK Sowerby 





X 









Zaphretitiii onwlinsi p]d\vards & Haime, Car- 













mthors, including Z. tlensa Carruthers 



X 



X 



X 



-^ 





Zaphrentix np. HOY. 



X 



X 



X 





X 



Caninia aff. cornucopiae Michelin, Carruthers ... 





X 







X 







Y 



X- 







Putttula aff. unhpnsttilosa Thomas 



X 



X 



X 







Proilucf IIS vi. conrinints ^owerhy 





X 









Product iiM aff. mm D'OrbifrJiv 





X 









Choiieten cf. }t(inhfin<in Pliillips 





X 



X 



/\ 



^, 



Chonffen cf . biich in na De Koninck . . 



... 



X 



X 



X 



X ; 



Papilionaceous Chonctfs 



X 



X 



X 





X 



Leptienn iinnlof /a (Phi]\i\Mi) 







X 





X , 



SchellmenflUt cf. rrenistria (Phillips) 





X 



X 



X 



X 



Orthi^ michelini L'Eveillr 



X 



X 



X 





X 



Orfhig rexHpiuntd (Martin) 



X 



X 



X 



X 



X 



Spiriftr rhith ml iix yVCoy 



X 



X 



X 



X 



X 



Sijrimjnf}! ifris cf. riinpidnta (Martin) 



X 



X 



X 



X 



X 



Spiriffriini cf. lowiiinsii yi-Cny 





X 



y 





X 



firficiilaria aff. liwahi (Martin). Vau^rhan 



X 



X 







< 



Athijris ylabristrid (Phillips), Vaughan 





X 



X 





< 



1. Old Quarry (Glam. 41 SE X 5), near the western side of King Coed, 



north-rast of Llansann<»r. 



2. Quarry ((Mam. 41 SE X 1 ). .5.50 yards east of Ash Hall, Ystradowen. 



3. Old Quarry (Glam. 42 NW X 15). a (ixiarterof a mile east of Miskin. 



4. CM (Quarry (Glani. 42 NW X 17), 1.50 yards north of Croftau. 



.'). Hrofiscin (Quarry (Glani. 42 NW X 1(5), 300 yards north of Groes-faon. 



(la>ten»]K>ds are usually abundant : thf forms inelude Etnmiphah).^ 

 ( ]»artieularly abundant at YstradowiMi i. Ih lit rnftln)!!, and a Capulid. 

 Hrvo/oa, ineludiufj^ Fr/ifsff^lhi, MontitMdij)«)rids, and Stenoj>()rids. 

 are stuut'tinirs abundant. 



