NJDEP - NJGS - First Annual Report of the Geological Survey of the ...

to the Delaware River/a little below Trenton following thesoutheastern border of the red shales and sandstones whichstretch across the central pa_ of the State. This line hasbeen selected on account of its being a natural division of thei_State into two nearly equal parts, in mspcet to area_ while inrespect to their physical, geological and agricultural features_they are entirely different. The adoption of this division_will, in the fi,u!tl report, be the means of avoiding unnecessary'?repetition,SOUTHERNDIVISION.The southern division of the State has been assigned toProfessor George H. Cook_ assistant geologist of the survey.He enteredupon hisdutiesin Monmouth County ou th_27th.of July last, and from that time to the present hasbeen engagedcither in the field or in the laboratory. His attentionhas been chiefly directed to the marl beds of the greensand iformation ; and a perusal of his report will satisfy all of thegreat importance of a more minute examination than hashitherto been made. Allow me to call your attention especially_iothat part of his report which refers to the followingfacts_ proved from examinations in the field:1. "The clays and marls which constitute the basis ofmost of thispartof the Statearein regularand continuouslayers."2. "The'layersare.not love!,but inofine.ordip tgwards"thesoutheast." '3. "Since thoselayerswere formed,the actionof thewater_or othercauscs_has worn away and changedthe surfaceofthecountry."Laying asideforthepresent,theimportanceof thesefactsin a scientific point.ofvisw! .will. merely,refer'totheirprac_.ticalapplication.:Althoughthe layersof marl#constituting thisformation_are not love!, yet the_, are'd_po_ted. in.a.c.e_.ta, in'"plane wl_'o's_"inclination istowardsthe sour.he,t.The,irregula3"ities of the.NEW JERSEY GEOLOGICAL SURVEY