... of the food grooves, ×3.26 Bistomiacystis with strongly stellate plates bearing ridges extending to plate corners, periproct positioned away from right BC ambulacral system, and highly elevated hydropore slit. Echinoderms are important faunal components in the Curdsville Member...

... Curdsville Member. Illite is the only clay mineral group identified. A search for metabentonite proved negative although some admixture is probable. Pyrite is ubiquitous and amounts to units of percent of the insoluble residues. Dolomite is widespread, but minor in the formation. The limestones vary from...

... section 174, Tyrone C, of Cressman (1973) . Both samples were pooled as representative of the lower portion of the Curdsville Member of the Lexington Limestone, which reaches a maximum thickness of 6 meters in this area. The lower Curdsville is composed primarily of finely to coarsely crystalline...

... was tentatively correlated by Kolata et al. (1996) with the Millbrig K-bentonite. Given the biostratigraphic and isotopic constraints (see below) this is unlikely. However, the bentonite could possibly correlate with the Capitol shaly metabentonite in the upper middle part of the Curdsville Member...

...-called Perryville of Franklin and Woodford counties, renamed the Devil’s Hollow division of the upper Lexington, is regarded as a facies of the upper Woodburn and probably also the lowermost Cynthiana. The Sulfur Well member (pre-Greendale) of the lower Cynthiana in the southern and southwestern...

... phosphatized and pyritized. Both of these grainstone beds contain abundant intraclasts of underlying M4 lithologies and lithostratigraphically lie within the Curdsville Member of the Hermitage Formation. The Curdsville is interpreted to represent a highly condensed transgressive deposit at the base of the M5...

...Figure 2 —Chronostratigraphic chart of Mohawkian—Cincinnatian rocks in Kentucky and Virginia. Member and bed names in the Lexington Limestone are from Cressman (1973) , and formation names in the Cincinnatian are from Weir et al. (1984) . Bentonite horizons are marked with heavy dashed lines...

...Daniel J. Jones A study 4 of the lithology of the oölitic members of the Ste. Genevieve reveals that there are in many places two distinct types of oolites. The most common type, and the one that is found consistently in outcrop as well as in well cuttings, is a small round, usually...

... at the Carden Quarry (UMMP 74655--UMMP 74657) and the LaFarge Quarry (Ordovician, Katian). This species also occurs in the Curdsville Member of the Lexington Limestone in Garrard County, Kentucky, USA. Crown relatively small; cone slightly expanding. Aboral cup low cone-shaped ( Fig. 4.1 ); width...

...-shaped to semicircular; interbasal gaps deep, filled with small, irregular plates; stem pentagonal to pentastellate, distally pentameric. Reteocrinus alveolatus was previously known from Upper Ordovician (Katian) occurrences in the Curdsville Member of the Lexington Formation, Kentucky and from...

... of the dual-mouthed paracrinoid Bistomiacystis and a redescription of the edrioasteroid Edrioaster priscus from the Middle Ordovician Curdsville Member of the Lexington Limestone : Journal of Paleontology , v. 83 , p. 135 – 139...

.... The upper Blackford is of calcilutite with nodular to well bedded black chert. The Five Oaks persists as an almost pure calcilutite. The Loysburg formation of central Pennsylvania, with the Clover calcilutite as the top member, is similar to the Blackford-Five Oaks; basal relations have not been ascertained...

... part of both the Logana and Curdsville Members because of the relative positions of the Deicke and Millbrig K-bentonites ( Figs. 2 and 9 ) in New York. Second, the upper portion of the Glens Falls Formation correlates by K-bentonite to the upper Kings Falls Formation, both of which must be younger...

... views, respectively, of weathered left valve (USNM 46157). The oldest museum label gives the locality as “Black River, Mercer Co.[unty], Ky. [Kentucky]”. The words “Black River” have been lined-out in pencil and the word “Curdsville” has been substituted. Curdsville refers to the basal member...

... (<10%; see Novack-Gottshall and Miller, 2004 ). Brachiopod-rich faunas characterize mixed carbonate–siliciclastic ramp successions of the middle Upper Ordovician Lexington Limestone (including the Curdsville Limestone and Grier Limestone members; see below) of Kentucky, United States ( Holland...

... Ordovician Curdsville Member of the Lexington Limestone : Journal of Paleontology , 83 . 135 – 139 . Waters , J. A. , Horowitz , A. S. , and Macurda , D. B. , Jr , 1985 , Ontogeny and phylogeny of the Carboniferous blastoid Pentremites : Journal of Paleontology , 59 . 701 – 712...

.... In the Cincinnati Arch area, the Sandbian–Katian boundary is thought to be within the basal part of the Curdsville Member of the Lexington Formation, marking a change from tropical warm-water carbonate to cool-water, mixed carbonate-siliciclastic deposition ( Holland and Patzkowsky 2008 ; Pope and Read 1997...