(GO) 



NEW PUBLICATIONS. 



GEOLOGY OF VERMONT. 



Second Annual Report of the Geology of Vermont, 1846, by C. 

 B. Adams, State Geologist, Prof of Chemistry, \c. : pp. 2G7. 



The report is made up first of an introduction in which the pub- 

 lic is presented with a history of the survey, from October 1845, 

 to October 1846. The work is divided into five parts. The 

 first part is taken up with elementary geology; it occupies one 

 hundred and six pages. The second part is quite brief, and is merely 

 a statement respecting the most important localities of minerals 

 in the state. In the third part the Professor gives an essay upon 

 clay concretions or clay stones, in which the law and power of con- 

 cretion is stated. Part four is occupied with scientific geology; the 

 subjects which have received the attention of the geologists of 

 Vermont are drift, its distribution, drift moraines, furrows, streams 

 of stones, fracture of slate hills, age of drift, its theories, etc. 

 The subject is concluded by a description of the older pleistocene 

 deposit and its fossils. It is regarded as a marine formation, and 

 its origin and climate of this period is well described in this place. 

 The fitth part contains the economical geology and mineralogy. 

 The Agricultural Geology is given by Mr. Hall. The soils of 

 Vermont have received attention but the subject is still in progress. 



Under economical geology mining receives its share of atten- 

 tion. The ores of iron are the brown iron, magnetic and specular 

 ores. Chromic iron is also reckoned as one of the important 

 mineral products of Vermont. Ochres and manganese have 

 long been known as ores associated with the brown ore. Marble, 

 serpentine, soapstone, roofing slate, limestone, materials for roads, 

 etc. In the appendix the labors of the lamented Olmsted are giv- 

 en. Mr. Olmsted had only commenced his labors and it appears 

 had made some progress in the analysis of the limestone and iron 

 ores, and we regret that they were terminated by death. The re- 

 port is also favored with a letter from the Rev. President Hitch- 

 cock, of Amherst College. Mr. Thompson, of Burlington, has 

 reported progress. His well known accuracy and industry gives 

 sure promise of valuable results from his connection with the sur- 

 vey. Mr. Thompson has given the heights of the following 

 mountains, as ascertained by his recent observations. 



