. Conodonts from the Glen Dean formation (Chester) of the Illinois basin. Conodonts; Paleontology; Paleontology. GLEN DEAN CONODONTS 13 LOG. 8-GARY BROTHERS QUARRY Covered, some ton limestone ledges exposed. 5' Limestone, ton, massive, coarse grained, partly oolitic. 3' Shale, black,calcareous, fossiliferous Limestone, dark gray, fine to medium-grained. 7' Limestone, gray, fossiliferous, medium to thin-bedded, has thin shale partings. I3'3" Shale parting. 2" Limestone, tan to gray, coarse-grained, partly oolitic, fossiliferous, with thin shale partings. I0'9". Fig. 8.—Gary Broth
. Conodonts from the Glen Dean formation (Chester) of the Illinois basin. Conodonts; Paleontology; Paleontology. GLEN DEAN CONODONTS 13 LOG. 8-GARY BROTHERS QUARRY Covered, some ton limestone ledges exposed. 5' Limestone, ton, massive, coarse grained, partly oolitic. 3' Shale, black,calcareous, fossiliferous Limestone, dark gray, fine to medium-grained. 7' Limestone, gray, fossiliferous, medium to thin-bedded, has thin shale partings. I3'3" Shale parting. 2" Limestone, tan to gray, coarse-grained, partly oolitic, fossiliferous, with thin shale partings. I0'9". Fig. 8.—Gary Brothers Quarry, locality 8. Quarry 2000 feet east of Highway 231, Carter coordi- nates 14-H-35, 1200 feet N. of S. line, 6300 feet E. of W. line of quadrangle H-35, Sugar Grove quadrangle, Butler County, Kentucky. limestone than in shale, but twenty-one of the twenty-seven Glen Dean species are common to both limestone and shale. Kladognathus mehli and Spathognathodus camphelli, the two species limited to shale, w^ere each represented in this study by less than four specimens, these from a single lo- cality. The four species found only in lime- stone probably reflect the method of sam- pling rather than environmental factors. Zones particularly productive of conodonts were resampled in quantity, and, because of the greater abundance of conodonts in limestone than in shale, a disproportion- ately high percentage of specimens are SOUTHEAST Limestone, gray, medium-grained, crinoidol, cross-bedded. 3'6" I Shale, gray and tan, fossiliferous, calcareous, slightly sandy. 4'6" M:: Covered. Limestone, light gray to tan, medium to fine-grained, crinoidol, argillaceous. 9' IZZI I .T I -1:31 rh^^ Limestone, gray, medium to coarse- grained, crinoidol. 24' III III izn Fig. 9.—Brownsville Southeast, locality 9. Mc- lellan Stone Quarry No. 4, just southwest of Highway 65 approximately miles from Green River bridge in Brownsville, Carter co- ordinates line betwee
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