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| quality rivaling fine porcelain. This unique form of datolite hails from the legendary Lake Superior copper...Indeed, many datolite nodules sport flecks of native copper, and specimens exist of datolite intergrown...ahead of the story. Michigan’s Copper Country datolite has been collected, prized, fashioned, and proudly...of the Keweenaw Peninsula’s datolite by diving into this article on the occurrence of datolite and the...never-before-published collecting history of major datolite localities and collecting personalities. Stanley |
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| minerals of Michigan’s Copper Country News from the Keweenaw Recent Mineral Finds in Michigan’s Copper Country... When one thinks of superb specimens from the Keweenaw, memories of arborescent groups of copper and...silver crystals, colorful porcelaneous nodules of datolite, and copper inclusions in calcite crystals come...courtesy Michigan Technological University Archives and Copper Country Historical Collections, Michigan Technological...with the closure of the Champion mine in Houghton County by the Copper Range Company in September 1967, |
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| News from the Keweenaw Downloaded by [Florida State University] at 18:43 12 November 2014 Part 3—Recent...Superior shoreline looking northeast from the Sunset Bay Campground, located near Fivemile Point. The gravel...years have passed since the last “News from the Keweenaw”; this article updates new finds to the spring...Tom Rosemeyer is a native of Upper Michigan and a graduate of Michigan Technological University in Houghton...last four years, the crushing of mine dumps (poor-rock piles) for road repairs and construction projects |
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| ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Up Twenty-first in a series...from Lake Superior KEWEENAW COUNTY, MICHIGAN Tom Rosemeyer is a native of Upper Michigan and a graduate...graduate of Michigan Technological University. He now spends a good part of the year in the Copper Country researching...shoreline of Lake Superior at Esery Park, Keweenaw County. Larry Maltby photo (July 2013). Figure 3...with the location of the agates recovered off Keweenaw Point in Lake Superior; prepared by William Besse |
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| Lakes States Wisconsin, Indiana, Illinois, Michigan, by June Culp Zeitner $5.95 Gem Guides Book...which operate in many states are not as likely to grant permission to collect as the former locally owned... and Michigan. Dow Chemical has reported finding diamonds in the kimberlites of upper Michigan, and vast...trips may be in connection with annual shows or rock swaps. Our hobby, collecting earth science materials...preparing for a successful trip. 1. 2. Contact rock clubs in the area you propose to visit. Write to |
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| 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 |
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| 08 January 2015 The Occurrence of Porcelaneous Datolite in MichiganÕs Lake Superior Copper District Figure...Figure 1. A rare and beautiful yellow datolite nodule, 0.9 x 1.1 inches, recovered from the Hancock mine...the bowels of a Keweenaw copper mine to the icy depths of Lake Superior, serious datolite collectors have...steep 2,000-foot-deep mine shaft in the dead of a Keweenaw winter with only mud and ice for footholds while...and Sciences Michigan Technological University Tom Rosemeyer is a native of Upper Michigan and a graduate |
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| Clarence J. Monette 942 Ninth Street Lake Linden, Michigan, 49945 All Rights Reserved ISBN: 0-942363-04-3...Printing & Graphic Services, Inc. of Calumet, Michigan _ ee AUTHOR'S As the title of this. NOTE...places in the four counties of Baraga, Houghton Keweenaw and Ontonagon are listed, as this is but a small...Monette Abbaye -------------------7--7 Adams. Township .---~------7--------Agate Harbor ----------77...Bar age Beacon Beaver 17 ET is RUT A. 2a 6. Bay aga 16 18 18 19 PT Dt 24 -itina |
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| MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Easy-to-understand instructions for recognizing rock formations; glossary. How to identify gem minerals...is a precise explanation of h< to recognize the rock formation* which gems occur. The tabular Gem ... contents fun to hunt for gems 1. It's 2. How 3. Rock formations 4. How 5. Characteristics of important...that comes from opening a nodule or a pocket in rock and being the first to see a sparkling crystal fresh |
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| subscription while you are at it, to your public or high school library, or to the library of your college...magazine on the reading tabl of every library in their county. Really now, what could be finer Then there always...page (one tor each week) muneral pictures are of high quality and together with the concise thumb-nail...—W.H.A {uthor Liroyp H. SPRINKLE, of Livonia, Michigan, is both a distinguished scholar in the field...} ] l however! gen ngenious possibly di A single rock g go out and y valuabl t of uran f ‘ pital t nn |
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| HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...the sociologists to decide Not everyone takes up rock hunting because of an interest in mineralogy There...comes when, after hours of hammering, a resistant rock splits just the way you want it to. And in the end...Keep Your Eyes Open PLACES TO SEARCH Active Mines Rock Masses 3 Aid the for for Experts and Ouarnes |
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| the soc1olog1sts to decide " Not everyone takes up rock hunting because of an interest in mineralogy. There...comes when after hours of hammering, a resistant rock splits just the way you want 1t to. And in the end...Ouarnes Rock Masses Abandoned Ouarr,es and Mines When and How to Go Immovable Areas of Loose Rock WHAT...LIKE Freestandmg Crystals Cav1t1es 18 Crystals in Rock Format,ons Compact and Special Forms Druses and...and Crystal Amorphous Forms VII PHASES OF ROCK COLLECTING 28 Inspection and Gathering / Picking I |
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| cabs. 1 blue tlgereye cat's-eye in a 10ll12 oval. 1 high dome show piece cab of nice materials. Cut in Germany... Lane FIELD TRIPS 26 THE BOUNTIES OF FREMONT COUNTY 38 WHERE'S THE MIDWEST'S SILVER 40 COPPER BOULDERS...some of the most interesting "collectibles" for rock hobbyists by Loran E. Perry HORNBILL IVORY A rarity...I would proceed. By this time the probability is high that the stone is on my cutting list of priorities...much time as I do, the stone being cut generates a high degree of personal pride and possessiveness. The |
High Rock Bay, Grant Township, Keweenaw County, Michigan, USA