 | | Journal (article/letter/editorial) | | support fracturing. The study was supportedby Michigan Memorial Phoenix Project 204. r*,";";#.:;ieot'...1962 EXOMORPHISMAROUND AN APLITE-PEGMATITE DIKE, FELCH, MICHIGAN1 E. Wu. HetNntcu, Department of Geologyand...Unirersity of Michigan, Ann Arbor, Michigan. The lletronite quarry is 2| miles east-northeastof Felch in Dickinson...Dickinson County, Nlichigan. The workings have been developed in the Randville dolomitic marble (Lower Huronian)...Geology and Mineralogy, The University of Michigan, Ann Arbor, Michigan. 1206 MINERALOGICAL NOTIJS (1892) |  | | Journal (article/letter/editorial) | | Library] at 15:24 24 November 2014 Marquctle, Michigan 49855 Specimen recovery in the Iron Country is...counties (Marquette, Baraga, Iron, and Dickinson) of Michigan, plus a small portion of northeastern Wisconsin...of the story, as they say, is history. Marquette County alone would eventually have 247 iron mines (Mulligan...many years. Maquette County Marquette County is the easternmost Iron Country county and also the oldest...largest, and most mineralogically diverse. The only county in the region to have had an operating gold mine |  | | Report (issue) | | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available |  | | 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 |  | | Journal (article/letter/editorial) | | Michigan Mineralogy: A LOCALITY INDEX TOM MORRIS, JR. 4553 Shenandoah Allen Park, Michigan 48101 Tom...occurrences. These localities have been listed by county; and, strictly for convenience, the list has been...compiling this information was The Mineralogy of Michigan (Heinrich, 1976), which should be consulted by...locality labeling of Michigan specimens. It should be pointed out that the list of Michigan mineral localities...None theless, with the aid of a good state or county map, plus local inquiries, the list could be helpful |  | | Report (issue) | | Geology of Central Dickinson County Michigan GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation...Division^ Michigan Department of Conservation PAPER 310 Geology of Central Dickinson County Michigan By...cooperation with the Geological Survey Division, Michigan Department of Conservation UNITED STATES GOVERNMENT...--_ Age relations.___-_-___-_-_-_-___-___--_ Dickinson group.__-_-_-_____-_______--_-___ East Branch...amphibolite____-_-_____-__ Dickinson group (undivided)__-_____-___Conditions of deposition of the Dickinson group._-- |  | | Book (edition) | | composites. Duralcan composites, f1,om Duralcan USA of Alcan Aluminum Ltd., comp1·ise alumina particulates...The original source of asbestos was the mineral actinolite, but the variety of serpentine known as chrysotile...later furnished most of the commercial asbestos. Actinolite and tremolite, which furnished some of the asbestos...is a type of asphalt found originally in Albert County, New Brunswick, and first named Albert coal. It...concentrated to 40% B 2O 3 . Kernite ore from Kern County, California, contains about 29% B 2O3 and is concentrated |
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