 | | Corporate Document | | GEOLOGY OF THE EAGLE NICKEL-COPPER DEPOSIT MICHIGAN, USA Prepared for: Kennecott Minerals Co. Prepared...gpt Pd. The project is located in Marquette County, Michigan, USA. The project is 100% owned and operated...with retained NSR royalties held by the state of Michigan and various private interests. Kennecott Exploration...anomalies associated with known sulfide bearing peridotite intrusions as part of a regional nickel exploration...Lake Superior, and turns southward into southern Michigan. The rift is believed to be mantle plume related |  | | Report (issue) | | Itiffilf 3 1818 00016298 0 2 t P^ 3 The Yellow Dog Peridotite and A Possible Buried igneous Complex of...Lower Keweenawan Age in The Northern Peninsula of Michigan 7 8 by John S. Kliner T/ 2/ , David W. Sn... Tables Table l.--Chemical analyses of the Yellow Dog Peridotite 2.--Electron microprobe anJyses of olivines...olivines from the Yellow Dog Peridotite 3.--Electron microprobe analyses of pyroxenes from the Yellow Dog...Peridotite 4.--Trace element content of the Yellow Dog Peridotite 5.--Comparison of selected trace element |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Book | | originating or working in countries including Canada, the USA, the United Kingdom, Germany, Greece, Finland, Denmark...The basaltic melt is able to separate from its peridotite source at very low melt fractions, percolating...labeled 0% to 30%. Plumes may carry much hotter peridotite up below the subcontinental lithosphere, following...basalts. By the time a particular volume of mantle peridotite has risen through the melting zone and 5 J...sharply decreases the solidus temperature of peridotite, permitting the removal of large fractions of |  | | Book | | Oligocene PERU Late Cretaceousearly Eocene (Laramide) USA Miocene MEXICO Pacific Ocean Paleoceneearly Eocene...initiated by hydration and partial melting of peridotite in asthenospheric mantle wedges above subduction...Pinatubo, Philippines, and Bingham Canyon, Utah, USA: Mineralium Deposita, v. 36, p. 799–806. Hawkesworth...in East porphyry of the Chuqui Porphyry Complex. Yellow is weathered clay in plagioclase sites. Chuquicamata...surrounded by rim of hydrothermal K-feldspar (stained yellow) between the sericite and quartz. Plane-polarized |
|
