 | Park, Y.-R., Ripley, E. M., Miller, J. D., Li, C., Mariga, J., Shafer, P. (2004) Stable Isotopic Constraints on Fluid-Rock Interaction and Cu-PGE-S Redistribution in the Sonju Lake Intrusion, Minnesota. Economic Geology, 99 (2) 325-338 doi:10.2113/gsecongeo.99.2.325 | Journal (article/letter/editorial) | | and Cu-PGE-S Redistribution in the Sonju Lake Intrusion, Minnesota YOUNG-ROK PARK,* EDWARD M. RIPLEY,†...MILLER, JR., Minnesota Geological Survey, 2646 University Avenue West, St. Paul, Minnesota 55114-1057 ...Abstract The Sonju Lake intrusion, part of the 1.1 Ga Midcontinent rift-related Beaver Bay Complex, is a 1...sequence of mafic cumulates located in northeastern Minnesota. Basal melatroctolite and dunite layers are overlain...apatite diorite. Disseminated sulfides in the intrusion have δ34S values that range from –2.2 to 3 per |  | Li, Chusi, Ripley, Edward M., Oberthür, Thomas, Miller, James D., Joslin, Gregory D. (2008) Textural, mineralogical and stable isotope studies of hydrothermal alteration in the main sulfide zone of the Great Dyke, Zimbabwe and the precious metals zone of the Sonju Lake Intrusion, Minnesota, USA. Mineralium Deposita, 43 (1) 97-110 doi:10.1007/s00126-007-0159-x | Journal (article/letter/editorial) | | the precious metals zone of the Sonju Lake Intrusion, Minnesota, USA Chusi Li & Edward M. Ripley & Thomas...Dyke and the precious metals zone of the Sonju Lake Intrusion have, in part, been attributed to the interaction...component was involved in the alteration of the Sonju Lake Intrusion. The strong spatial association of platinum-...Sciences, Indiana University, Bloomington, IN 47405, USA e-mail: cli@indiana.edu C. Li China University of...Germany J. D. Miller Jr Minnesota Geological Survey, St. Paul, MN 55114, USA J. D. Miller Jr : G. D. |  | | Book (edition) | | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...phases (medium grey). Twinning Simple to very complex twinning occurs in numerous minerals, with 4 major...and complex twinning can be observed in adjacent grains. Left: Simple (upper right) and complex (lower...(1991) states, “Ore deposits belong to the most complex inorganic features of our planet. If this complexity...occur in titanomagnetite. In other cases, more complex shapes develop. Right: Finely lamellated and spindle-like |
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