1910-1911.] ^87 



the Glacial deposits of the district. The members left Belfast by 

 the 2-15 p.m. train for Ballycarry, and proceeded on cars to 

 Kilcoan Quarry, on the west side of Islandmagee, about two miles 

 north of Ballycarry. Here one of the finest sections of our Cretaceous 

 rocks is exposed to view. The "White Limestone" with bands of 

 flint at regular intervals attains a considerable height in the quarry, 

 and is surmounted by several feet of red unstratified boulder-clay. 

 In the cutting leading up to it there are, in descending order, fine 

 exposures of "Chloride Chalk and Sands," "Yellow Sandstone," and 

 "Glauconitic Sands." Mr. Tomlinson, who kindly acted as field 

 conductor, drew attention to the different strata, to the easterly dip 

 of the beds, and to the remarkably fine glaciation of the surface of 

 the Chalk at the top of the quarry. All were soon actively engaged 

 searching for fossils, and good records were made. Those from the 

 "White Limestone" included two very perfect specimens oiTrochus, 

 also specimens of Terebratula, Porifera, Belemnitella mucronata, 

 and two specimens of the phragmocone of a belemnite. The 

 " Chloritic Chalk and Sands " yielded Micraster cor-anguinum, 

 Pleurotomaria perspectiva, Ostrea carinata, Semiplana, Inoceramus 

 Crispi, Spondylus spinosus, Rhynchonella plicatilis, R. limbata, 

 Terebratula carnea, T. semiglobosa, Camerospongia fungiformis, 

 Ventriculites radiatus, some Pectens, including P. quinquecostatus, 

 three teeth of Lamna appendiculata and several Cidaris spines. No 

 fossils were obtained from the " Yellow Sandstone," but bands of 

 chert were noted ; the " Glauconitic Sands " are at present much 

 overgrown, and only yielded sponge casts. At one end of the 

 quarry the boulder-clay has been cleared off the top of the Chalk, 

 and has exposed a fine striated surface. Dr. Dwerryhouse drew 

 attention to two sets of stria; running S. 5 degs. W., and E. and 

 W. respectively, thus being almost at right angles to each other. 

 So far as could be made out from the surface, the striae produced 

 from the west were subsequent and superimposed upon those made 

 by the ice moving from the north. The erratics in the boulder-clay 

 were almost entirely of local origin, basalt largely preponderated, 



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