RT Journal Article SR Electronic T1 The Deerfield Dike and its minerals JF American Journal of Science JO Am J Sci FD American Journal of Science SP 270 OP 278 DO 10.2475/ajs.s3-24.142.270 VO s3-24 IS 142 A1 B. K. Emerson YR 1882 UL http://www.ajsonline.org/content/s3-24/142/270.abstract AB