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Grunerite from
Portsmouth Mine, Cuyuna North Range, Crow Wing County, Minnesota, USA


Locality type:Mine
Classification
Species:Grunerite
Formula:◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Grunerite data
Locality Data:Click here to view Portsmouth Mine, Cuyuna North Range, Crow Wing County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:247811
Long-form Identifier:1:3:247811:1
GUID (UUID V4):466066e0-227d-4c2b-8dff-7d5539ef11f3
Nearest other occurrences of Grunerite
5.3km (3.3 miles) Milford Mine, Cuyuna North Range, Crow Wing County, Minnesota, USA
References
Reference Search (possible matching items)
Report (issue)
Geology and Ore Deposits of the Cuyuna North Range Minnesota GEOLOGICAL SURVEY PROFESSIONAL PAPER...407 Geology and Ore Deposits of the Cuyuna North Range Minnesota By ROBERT GORDON SCHMIDT GEOLOGICAL...1924Geology and ore deposits of the Cuyuna North range, Minnesota. Washington, U.S. Govt. Print. Off....87-91. l.Geology Minnesota Cuyuna North range. 2.Ore-deposits Minnesota Cuyuna North Range. S.Iron ores Minnesota...Minnesota Cuyuna North range. I.Title: The Cuyuna North range, Minnesota. (Series) For sale by the Superintendent
Journal (article/letter/editorial)
States are in the Lake Superior region, in Minnesota, Wisconsin, and Michigan. Thinner units occur...iron-formation stratigraphy,however, differ greatly from one range to another; it is likely that each area of iron-formation...contemporaneous sediments. The iron-formations range in thicknessfrom about 100 feet to more than 2,000...content of unoxidized rock typically is in the range of 25 to 35 percent. Beds of iron-formation as much...oœthe separaterangesin Montana, State Surveysof Minnesota,Wisconsin,and Michi"Geologyof the Wyoming, and
Journal (article/letter/editorial)
1965 IRON PHYLLOSILICATES OF THE CUYUNA DISTRICT IN MINNESOTA R. L. Bre.rB, Minneapolis Metallwrgy...of the Trommald iron-formation in the Cuyuna district, Minnesota, showed the following minerals in order...vugs in goethite ore. Recent publications on the Cuyuna district are those of Schmidt (1955, 1958,1959...Fellowship in cooperation with the University of Minnesota to examine further the iron phyllosilicate minerals...of the Lake Superior region, especially in the Cuyuna district where fewer studies had been made on mineralogy
Book
org/details/midwestgemfossil0000zeit Midwest Gem, Great Minnesota, Fossil and Mineral Trails Lakes States Wisconsin...our knowledge and enjoyment of this great owners, mine and quarry operators and science by collecting....Lake Superior agate ever reported was found in Minnesota, and new species of fossils have been collected...first. The states start with the farthest west, Minnesota, and move in sequence to the farthest east, Ohio...shoreline are east of the Mississippi except for Minnesota, where the Mississippi originates in the northcentral
Book (volume)
Dahlonega Co. and Rabum Co., and  the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE:...agate, (banded, various colors), jasper. BIBB COUNTY MACON:  at Holton Quarry, 7½ mi. NWagate;  N
Journal (article/letter/editorial)
thesis was a complex field problem in Dutchess County, New York, under Professor William Brace, and his...metamorphism of the carbonate rocks in Dutchess County, N.y. GeoL Soc.Am. Spec. Pap.73,257 (abstr.). 1964...crystallographic properties of the cummingtonite-grunerite series. J. Geol. 75, 379-392. (with J.B. Txourson...calorimeter. 24th Annual Calorimetry Conference, Portsmouth, New Hampshire (abstr.). Lunar thermal anomalies:
Book (volume)
grading to 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils;
Book (volume)
grading to 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils;
Report (volume)
Smith, Director Bulletin 823 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1919-1928 BY JOHN M. NICKLES ... BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1919-1928 By JOHN M. NICKLES INTRODUCTION The bibliography of North American...publications on. the geology of the Continent of North America and adjacent islands and on Panama and the...index to the literature cited. The bibliography of North American geology to the end of 1926 is contained...4, 5, 8; Museum Paper, nos. 5, 6; County Report, no. 1 (Clay County). Montgomery, Ala. Alberta, Scientific
Book
State University System, Baton Rouge, Louisiana, USA Claude Bouchard , PhD Pennington Biomedical Research...State University System, Baton Rouge, Louisiana, USA Boca Raton London New York CRC Press is an imprint...(University of Plymouth), Dean Bullen (University of Portsmouth) and Dave Waters (University of Oxford). Finally...Oxo-hornblende phenocryst in andesite; Mt.Shasta, CA, USA. b) Andalusite (var. chiastolite) porphyroblasts...vibration directions. c) Actinolite crystals in a range of orientations, showing the pleochroic scheme α
Journal (article/letter/editorial)
Sciences, University of Portsmouth, Burnaby Building, Burnaby road, Portsmouth, PO1 3QL, UK; b Applied...Itacolomi Group sequences. The Ouro Branco mountain range is aligned with one of the isolated occurrences...meta-conglomerates. Its sigmoidal shape is delimited at the north and south CE PT by major sinistral strike-slip...mountain range. AC Further north, the antiformal structure containing the Ouro Preto mountain range as one...index metamorphic minerals (Herz, 1978). The grunerite-cummingtonite RI PT series was also used to
Book (volume)
tH MSTONESof - NORTH AMERICA ~ VOLUME olor phot raphs yo. Erica and. Harol d Van I [iL Albuquerque...87109 N.M. N_E. Bivd. Gkapats GEMSTONES of NORTH AMERICA ~ NASMI EPPA GEMSTONES OF THE WORLD...+ GEMSTONES OF NORTH AMERICA, by John Sinkankas ON@“THE VOLUME III COVER North American gems from...(25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75
Book (volume)
Dick's deep concern for the fate of the Sterling mine in Ogdensburg, New Jersey, and his intense interest...interest in mining history led him to purchase the mine in order to form a living museum so that it would...mineralogical community. Through his efforts, the Sterling mine has been declared a national historic landmark....greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...probably a greater variety of minerals in a single mine in Franklin, New Jersey, or Mont Saint-Hilaire,
Report (volume)
5 in., inch or inches. Circ., Circular. Co., County or Company. Indus., Industrial. Inst., Institute..., estimated. Mus., Museum. Extr., Extract. N., North. fangl., fanglomerate. Nat., National, Naturalist...Central southern Virginia arid central northern North Carolina (Virgilina district). F. B. Laney, 1917...thence S. of Little Mtn, thence N. of Culbreath Mine, thence N. of Meeting St. (2 mi.), and thence direct...Pre-Cambrian : Central southern Virginia (Mecklenburg County). F. B. Laney, 1917 (Va. Geol. Surv. Bull. 14,
Book (volume)
GElV!§TONE§ (())f NORTH AMERRCA VOLUME III GElV[§TONE§ OF TXiE ,voRLD §ERIE§ SERIES EDITOR... GEMSTONES OF NORTH AMERICA, VOLUME III by Joh11 Sinkankas ON ~rf-IE co ·vER North An1erican gems...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...and pinkish purple (I .3 5 et). GEMSTONE§ (O)f NORTH AMERICA VOLUME III John Sinbanbas Colar Photography...Qurrli~y Books, Inc.) Sinkankas, John. Gen1stones of North An1erica. Vol. III/ John Sinkankas. p. cm. lncludes
Report (volume)
States and its possessions. The first compilation, "North American Geologic Formation Names," Bulletin 191...contains: (1) an alphabetical listing of 1,500 North American sedimentary formation names and 100 names...year 1955), Bulletin 1056-A, "Geologic Names of North America Introduced in 1936-1955," by Druid Wilson...listed about 5,000 new names introduced for use in North America, the Pacific Island possessions of the United...nonalphabetical "Index to the Geologic Names of North America," Bulletin 1056-B, by Druid Wilson, Grace
Report (volume)
...................... 1. Eocks from Aroostook County I............................. 19 19 2. Litchfieldite...................:.......................... 51 North Carolina..........................................56 1. Elliott County dike........................................ 56 2. Crittenden County dike...................... Fourth. Schist from the Aragon iron mine ................. 5 64 66 70 70 71 72 72 ( 6...Pigeon Point, Minnesota .......................... 76 6. Miscellaneous rocks from Minnesota ..........
Report (volume)
OGICAL SURVEY BULLETIN 1268 Bibliography of North American Geology, 1968 GEOLOGICAL SURVEY BULLETIN...Index . . . . VII 1 817 III BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1968 INTRODUCTION The current annual...annual volume of the "Bibliography of North American Geology" lists publications that appeared during...during 1968 concerning the geology of the North American continent, Greenland, the West Indies and adjacent...in foreign journals are cited if they deal with North American localities or are of a general nature,
Report (issue)
listed on pages A253A258. Numerous Federal, State, county, and municipal agencies listed on pages A205-A210...--------------------32 Montana ----------------------------33 North Dakota ------------------------33 VVyoming ----...health-Continued Water-contamination studies-Continued Acid mine water -------------------------Industrial effects...---Wisconsin --------------------------------Minnesota -------------------------------Nebraska -----...-------Wyoming --------------------------------North and South Dakota __________________ _ Southern Rocky
Report (issue)
Michigan ---------------------------------- 30 Minnesota ---------------------------------- 31 South Dakota...and structural studies ------------ 40 Basin and Range region ------------------------ 40 Mineral-resource...mineral-resource investigations-Continued Basin and Range region-Continued Stratigraphic and structural studies...Michigan ----------------------------------- 69 Minnesota ---------------------------------- 69 New Hampshire...------------------------------- 72 Virginia and North Carolina ---------------- 73 West Virginia ----
Report (issue)
A253-A258 of this chapter. Numerous Federal, State, county, and municipal agencies and other organizations...and mineral-resource studies Continued Basin and Range region-____________________ Nevada_________________________...---Midcontinent region.________-_-_-_-___-_--Minnesota- ___-______--_-__--_-_-_----Wisconsin__ _ ___..._______ Montana ______________________________ North Dakota _ _______________________ Wyoming. _____...cooperators_-____ ---------_____-____ 209 State, county, and municipal cooperaters__________ 209 Other
Journal (volume)
Co-opted: P. BRIERLY (Plymouth); G.H. SMITH (Portsmouth); E.J. WIGLEY, B.E.M., M.B.E., and MRS J. WIGLEY...Its financial position is extremely good for a county society in the 1980s; the doubling of the subscription...winter lecture programme, at different venues in the County, organised by Nicholas Johnson. There was also...successful production and distribution of CA. A county journal like Cornish Archaeology is inevitably...vacuum resulting from the continuing lack of an all-county society concerned with all aspects of archaeology
Report (volume)
geology and mining industry of Leadville, Lake County, Colorado, by S. F. Emmons, pp. 201-290, pis. xliv-xlv...xxvi-xxxv. A review of the nonmarine fossil Mollusca of North America, by C. A. White, M. D., pp. 403-550, pis...pp.253-271. A review of the fossil Ostreidse of North America, and a comparison of the fossil with the...description of the Dismal Swamp district of Virginia and North Carolina, by Nathaniel Southgate Shaler, pp. 255-339...formation, by \V J McGee, 347-521, pis. xxxii-xli. The North American continent during Cambrian time, by Charles
Report (issue)
A293-A298 of this chapter. Numerous Federal, State, county, and local agencies and other organizations and...Stratigraphic studies ........................ . Basin and Range region ........................ . Stratigraphic... West Virginia ............................. . North Carolina ............................ . South Carolina... Louisiana ..............•.................. Minnesota Missouri ................................. . Ohio.... . Montana ....................•...•......... North Dakota ............................. . Oklahoma
Report (volume)
crystalline rocks Maine 1. Rocks from Aroostook 'County 2. Miscellaneous rocks5 v New Hampshire 5 Vermont...rocks Virginia North Carolina Georgia Kentucky 1.. Elliott County dike 2. Crittenden County dike Tennessee...Upper Quinnesec Falls Schist from the Aragon iron mine Page. 5 15 5 18 5 24 5 25 5 25 5 25 5 26 26 5 27...Pigeon Point, Minnesota 5 7. Mesabi district, Minnesota 8. Miscellaneous rocks from Minnesota South Dakota...Park and the Absaroka Range 1. Electric Peak 2. Sepulchre Mountain 3. Absaroka Range 5 Crandall Basin Sunlight
 
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