10b geology and petrography of claeencetown-patbrson district, i., 



Concluding Remarks. 



In the foregoing is given a detailed aeeount of the stratigraphical and re- 

 gional geology of the Carboniferous System in the Clarencetown-Paterson area, 

 together with descriptions of certain intrusive rocks of uncertain age, and Caino- 

 zoie igneous and sedimentary units. 



A classification of the Kuttung Series is proposed, consisting of a Basal 

 Stage, a Volcanic Stage and a Glacial Stage. This subdivision, it is pointed 

 out, is one suited to the stratigraphical features exhibited in the area, and in 

 basic nature, differs little from that given by Mr. Sussmilch, but has been deemed 

 necessary on account of an advance in our knowledge of the details of the suc- 

 cession in the district, which was only possible from a close examination of the 

 rocks in the field over an extended field-season, which the author, fortunately, 

 was able to conduct. The Volcanic Stage has been treated in full detail and a 

 preliminary discussion of the stratigraphy of that Stage is given. 



The whole outcome of the work, which is meant to be a contribution to a 

 fuller knowledge of the Carboniferous System, especially the Kuttung Series, has 

 been to eonfii-m the general sequence determined by the pioneering work of Mr. 

 Sussmilch, to whom, on this account, the author, like all workers in the Carboni- 

 ferous, is much indebted. 



Acknowledgments. — To Prof. Sir Edgeworth David the writer is deeply in- 

 debted for his many kind actions of encouragement. In the initial stages of the 

 work he conducted the writer over some of the ground described in these pages, 

 and has constantly interested himself in all the subsequent field and laboratory 

 work, supplying helpful advice on numerous occasions. Mr. W. R. Browne spent 

 a few days in June, 1921, in the Paterson area confirming the writer's conclusions 

 and making helpful suggestions as to field problems. He has also been most 

 willing at all times and under all circumstances to confer with the writer on 

 various matters connected with the stratigraphy and petrology and, by his know- 

 ledge of the Carboniferous, has been able to offer valuable opinions on numerous 

 points. The writer has derived benefit from discussions on the geology of the 

 area with Mr. C. A. Sussmilch, on account of his first-hand knowledge of the 

 sequence, and in the field was assisted by Mr. H. G. Raggatt who, as a student 

 of the Geology Dept., spent a week with the writer at Clarencetown. In connec- 

 tion with the office work thanks are due to Mr. W. S. Dun and Mr. L. L. Water- 

 house, especially the latter for advice during the preparation of the map. For 

 characteristic hospitality and local scientific information the author has to thank 

 Mr. W. J. Enright, of Maitland. 



With regard to the activities in the field he wishes to place on record his ap- 

 preciation of the generous hospitality extended to him by the residents of the 

 area. In this connection he cannot speak too highly of the service rendered by 

 Mr. W. F'arker, Quarry Master, Martin's Creek, and family, from whom he re- 

 ceived every kindness throughout the whole of his sojourns in the area. Also he 

 has to sincerely thank Mr. and Mrs. G. McD. Adamson of Glenoak Public School, 

 Mr. and Mrs. J. W. Boag and family, of "Burnbrae," Seaham, Mr. and Mrs. A. 

 J. Dransfield of Paterson, Mr. and Mrs. L. S. Holmes of "Oakendale," and Mr. 

 and Mrs. W. A. Holmes of "Langlands," Mrs. W. Ripley and her mother Mi's. 

 Hackett, and Mr. Ben. Robards and his parents of "Hollydene," Clarencetown, 

 Mr. John Tucker of Paterson and Mr. A. J. C. Vogele of Mt. Douglas, whose 

 exact knowledge of the rocks on his property was of distinct value, and others 

 who, in various small ways, contributed towards the success of the work. 



