Potassium Metasomatism at the Polymetallic NICO Deposit, Northwest Territories, Canada

• Main Author: Robinson, Gregory B
• Format: Text
• Language: English
• Published: Scholarship@Western 2013
• Subjects: K-metasomatism; metasomatite; hydrothermal alteration; feldspar-phyric porphyry; detachment fault; Lou Lake; Geology; Canada; Northwest Territories; Treasure Lake
• Online Access: https://ir.lib.uwo.ca/etd/1688; https://ir.lib.uwo.ca/context/etd/article/3118/viewcontent/GBR_Msc_Thesis_2013_2nd_Revision.pdf; https://ir.lib.uwo.ca/context/etd/article/3118/filename/0/type/additional/viewcontent/Figure_3.2___Cross_Section_14_50W_Final.pdf; https://ir.lib.uwo.ca/context/etd/article/3118/filename/1/type/additional/viewcontent/Figure_3.3___Geology_of_the_NICO_Ramp_Revised.pdf

High temperature K-metasomatism pervasively replaced Paleoproterozoic volcanic and metasedimentary rocks at Lou Lake NWT. This replacement developed primarily at the structural interface juxtaposing non-metamorphosed Lou Lake volcanic rocks over Treasure Lake Group metasedimentary rocks. This crusta...