The ultramafic complex and related rocks of Duke Island, southeastern Alaska
Duke Island, 59 square miles in area, is at the southern end of southeastern Alaska. Sedimentary and volcanic rocks, possibly Mesozoic in age, are metamorphosed and intruded by gabbroic, ultramafic and granitic plutons, in that order. The granitic rocks may be of Cretaceous age. Primary gabbroic...
Internet
https://thesis.library.caltech.edu/912/1/Irvine_tn_1959.pdfhttps://thesis.library.caltech.edu/912/2/Irvine_tn_1959_plate_1.pdf
https://thesis.library.caltech.edu/912/3/Irvine_tn_1959_plate_2.pdf
https://thesis.library.caltech.edu/912/4/Irvine_tn_1959_plate_3.pdf
https://thesis.library.caltech.edu/912/5/Irvine_tn_1959_plate_4.pdf
https://thesis.library.caltech.edu/912/6/Irvine_tn_1959_plate_5.pdf
https://thesis.library.caltech.edu/912/7/Irvine_tn_1959_plate_6.pdf
https://thesis.library.caltech.edu/912/8/Irvine_tn_1959_plate_7.pdf
https://thesis.library.caltech.edu/912/9/Irvine_tn_1959_plate_8.pdf
Irvine, T. N. (1959) The ultramafic complex and related rocks of Duke Island, southeastern Alaska. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/KMR7-CC87. https://resolver.caltech.edu/CaltechETD:etd-03102006-161603 <https://resolver.caltech.edu/CaltechETD:etd-03102006-161603>