@misc{indiciae27b46e540cf1, title = {Evidence for continental crustal assimilation in the Hemlock Formation flood basalts of the early Proterozoic Penokean Orogen, Lake Superior region}, author = {J. Warren Beck and V. Rama Murthy and L. M. H. Carter}, year = {1991}, doi = {10.3133/b1904i}, url = {https://pubs.usgs.gov/publication/b1904I}, note = {Source identifier: b1904I} }