I06 NEW YORK STATE MUSEUM 



BIBLIOGRAPHY 



1 H. P. Gushing. Report on the Boundary between the Potsdam and 



Precanibrian Rocks of the Adirondacks. i6th An. Rep't. N. Y, State 

 Geologist, p. 5-27. 1899. 



2 R. Ruedemann. Types of Inliers Observed in New York. N. Y. 



State Mus. Bui. 133, p. 168. 1909. . 



3 H. P. Gushing. Geology of the Vicinity of Little Falls, N. Y. N. Y. 



State Mus. Bui. -]-]. 1905. 



4 A. G. Hogbom. Precambrian Geology of Sweden. Bulletin Geolog- 



ical Institution. Univ. of Upsala. X, 6, 1910. 



The writer has drawn especially upon this paper. It presents in English an 



excellent resume. 



5 G. E. Beecher and G. E. Hall. Fifth Annual Report N. Y. State 



Geol. p. 8-10. 1886. 



6 J. E. Wolff and A. H. Brooks. The Age of the Franklin White Lime- 



stone of New Jersey. U. S. Geol. Sur. 18th An. Rep't. p. 454- 1898. 



7 F. L. Nason. Summary of Facts, proving the Cambrian Age of the 



White Limestone of Sussex Co., N. J. Amer. Geol. 1894- 14:161. 



8 J. F. Kemp and V. F. Marsters. Trap Dikes of the Lake Champlain 



Region. U. S. Geol. Sur. Bui. 107, p. 51. 1893. 



9 G. H. Williams. The Distribution of Ancient Volcanic Rocks Along 



the Eastern Border of North America. Journal of Geology, 2:1. 

 ID S. Weidman. On Quartz-keratophyre and Associated Rocks of the 

 North Range of the Baraboo Bluffs, Wis. Univ. of Wis. Science 

 Ser. 1 :35-36. 1895. Another paper on the Fox River valley appears 

 in Wis. Geol. and Nat. Hist. Sur. Bui. 3, P- i- 1898. 



11 E. Haworth. The Crystalline Rocks of Missouri. Mo. Geol. Sur. 



8:180. 1895. 



12 J. J. Sederholm. Les Roches Prequaternaires de la Fennoscandia. 



Pamphlet presented to the members of the Eleventh Geol. Con- 

 gress, 1910, p. 10. 



13 H, P. Gushing. Geology of the Northern Adirondack Region. 



N. Y. State Mus. Bui. 95, P- 335- IQOS- 



14 A. G. Hogbom. Zur Petrographie von Orno Hufud. Bui. Geol. 



Institution. Univ. of Upsala, 10:149. 1910. 



The paper gives excellent views of these wonderful exposures. 



In addition to the references to the Swedish literature specifically 

 referred to above, the writer has also used a pamphlet by Prof. A. 

 E. Tornebohm, Explanatory Remarks, to accompany the Geological 

 General Map of Sweden. This map, on a scale of i : i,500,cx)0, or 

 about 25 miles to the inch, has also been used. A much larger one 

 has been issued by the Swedish Survey. The members of the excur- 

 sions in connection with the Congress were furnished with excellent 

 guidebooks. The writer has especially drawn upon nos. 1-6, 15 

 and 18. 



