 | | Journal (article/letter/editorial) | | Iuyw I , < h,,,rl,rp,, ,,I I r,,,,l>,l\ T HE MICHIGAN COPPER DISTRICT stretches in a southwest-northeast...White Pine mine in Ontonagon County to Copper Harbor in Keweenaw County. Copper mineralization occurs...Portage Lake Volcanics (PLV) and the Copper Harbor Conglomerate. The native-copper deposits can be further divided...amygdaloidal lava flow tops and sedimentary conglomerate beds. The fissure vein deposits were the first...certain extent, the cobbles and boulders of the conglomerate. The first production from this type of lode |  | | Report (issue) | | University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...J. the Keweenaw Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, 40th 40thAnnual AnnualMeeting, Meeting..."Field Guide to the Geology Geology of the the Keweenaw Keweenaw Annual Institute Institute on on Lake Lake...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983) for |  | | Journal (issue) | | of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton) ...Donald Pearce (1941-1989) The “Copper King” The MICHIGAN COPPER COUNTRY L. W i l s o n New Mexico Bureau...t a n l e y J. D y l II Seaman Mineral Museum Michigan Technological University % 1992 T h e M in e...crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard A. Kosnar collection;...wrote the classic work on the copper deposits of Michigan in 1929. Photo by Wendell E. Wilson. TENT . |  | | Journal (issue) | | Collector’s Newsletter $6.00 2022 Summer Finds in the Michigan Copper Country Tom Rosemeyer datolite@charter...ranging from large chunks of copper-bearing conglomerate to micro specimens of copper and silver crystals...collecting sites by thoughtless collectors. The Keweenaw is still a wonderful place to live and mineral...Yooper pasties and fresh whitefish. Come to the Keweenaw and enjoy the good life during the mild seasons...page 8) Figure 1. For the last few years during “Keweenaw Mineral Days” in mid-July a field trip is held |  | | Journal (article/letter/editorial) | | Two New Mines in the Native Copper District of Michigan R. J. WEEGE,J.P. POLLOCK, ANDTHECALUMET DIVISIONGEOLOGICAL...recentyears in the Michigan native copper district are both in conglomerate beds. The Kingston Conglomeratedeposit...in 1962,has a strike lengthof 4,000 feet. The conglomerate bed rangesin thicknessfrom lessthan a foot to...representan extensionof the famousCalumetand Hecla conglomerate mine. The shapeof the conglomeratelensesand...important contributions. In the followinggeneralacT•IE Michigan native copper depositshave been mined almostc |  | | Journal (issue) | | 6 (Right) - Sheet Copper – Flambeau Mine (Rusk County, WI) Figure 2—Dr. Weis’s Personal Memorabilia...Figure 7—Manganoan Calcite – Montreal Mine (Iron County, WI). Figure 3 (left) - “Wonderful World of Agates”...mineral specimens from the Montreal Mine (Iron County, Wisconsin). Most of the specimens came from the...An unusual specimen from the Flambeau Mine (Rusk County, Wisconsin) is a sheet copper (figure 6). One of...selenite from the Bristol Mine, Crystal Falls, Michigan (figure 9). The deep blue color of an azurite |  | | Report (issue) | | VOLCANICS (MIDDLE KEWEENAWAN) ON ISLE ROYALE, MICHIGAN Prepared in cooperation with the National Park...Isle Royale, Michigan By N. KING HUBER GEOLOGY OF ISLE ROYALE NATIONAL PARK, MICHIGAN GEOLOGICAL SURVEY...-···-·--· 2 The Portage Lake Volcanics on the Keweenaw Peninsula__ 3 The Portage Lake Volcanics on Isle...------Correlation between Isle Royale and the Keweenaw Peninsula -----------------------------------...middle and upper Keweenawan rocks of northern Michigan and adjacent parts of Wisconsin-------------- |  | | Report (issue) | | Extent and General Nature of the Keweenaw Series Lithology of the Keweenaw Series Section I. Basic Original...III. Summary View of the Original Rocks of the Keweenaw Series Section IV. Detrital Rocks Chapter IV....Features of the Three Classes of Rocks of the Keweenaw Chapter Chapter II. 24 III. 34 '. 35 91... General Stratigraphy of the Keweenaw Series Chapter VI.— The Keweenaw an Rocks op the South Shore of...of Lake Superior Introductory 152 Section I.— Keweenaw Point Section II.— The Region between Portage |  | | Report (volume) | | (F.), Report on the Geological Survey of Miami County, Kans., 1865. ' Kansas University Geological Survey:...Report on Geology of'Mercer County. Report on Geology of Lincoln County. Report or Geology of Henry,...Report OL Geology of Mason County. : Report on Geology of Garrard County. Report on Geology of Spencer...Geology of Marion County. Loughridge (R. H.), Report on Geology of Clinton County. Report on the Geological...Institutions, 1893. Vols. I-III (Clark), AHegany County, 1900. Massachusetts Geological Survey: Final Report |  | | Report (volume) | | Paleozoic Continued Silurian-Devonian Monroan l (Michigan) Yorkian period * (New York) Ordovidan Silurian...Keewatin series 1 (Minnesota) Keweenawan series 1 (Michigan) Knife Lake series l (Minnesota); Knife Lake group...(Quebec) Loganian l (Ontario) fMichigan period 1 (Michigan) Ontarian J (Ontario) Sudbury series 1 ; Sudburian...fMontevallo conglomerate 1 Nunnally coal group 1 Pratt coal group 1 fSand Mountain conglomerate 1 Straven...sandstone member (of Pottsville formation) 1 Straven conglomerate member (of Pottsville formation) 1 Wolf Ridge |  | | Report (volume) | | Can., Canada. Carbf., Carboniferous. cgl., conglomerate. cgls., conglomerates. chap., chapter. LEXICON... 5 in., inch or inches. Circ., Circular. Co., County or Company. Indus., Industrial. Inst., Institute...Topographic or Topography. Trans., Transactions. Twp, Township. Twps, Townships. uncon., unconformity or unconformably...Pre-Cambrian : Central southern Virginia (Mecklenburg County). F. B. Laney, 1917 (Va. Geol. Surv. Bull. 14,...Kenilworth, Castlegate quad., Carbon Co. Abilene conglomerate. Tertiary : Central Kansas. C. S. Prosser, 1895 |  | | Book | | moving westward, discovered the iron deposits of Michigan in 1844 and the copper deposits of the s ame state...the copper deposits of northern Michigan are close to the large Keweenaw fault. Many ,vriters have stressed...impermeable rock along a fault. Menominee iron district, Michigan. Slightly modified a fter Stephen Royce, "Ore...iron ore (solid black) , Menominee iron district, Michigan. Slightly modified after Stephen Royce, "Ore Deposits...Gold-beoring grovel prospects in Cretaceous conglomerate , e._ '1 .. -', ----- ____ ----- OR ECON |  | | Journal (issue) | | 1954 he has been manager of Joy's Rotary Drill Michigan City, Department Ind. at Robert G. Skinner...reduces airflow necessary for combustion legheny County had been given a five-year moratorium in which...burning coal refuse piles was adopted in Allegheny County, Pa., in 1954. Previously the coal industry of...mine lubrication. AMERICAN OIL COMPANY 910 S. Michigan Avenue, Chicago 80, Illinois Design and Operation...for American Zine Co. of Tennessee in Jefferson County, Tenn. John operations. P. A. Dempsey of the |
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