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Dravite from
Ore Knob Mine, Ore Knob, Ashe County, North Carolina, USA


Locality type:Mine
Classification
Species:Dravite
Formula:NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Comments:Dravites are Mg. rich.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dravite data
Locality Data:Click here to view Ore Knob Mine, Ore Knob, Ashe County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:690918
Long-form Identifier:1:3:690918:5
GUID (UUID V4):d8ea31d9-cbf0-4de3-b08f-1381ae2a605e
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
terranessuchasBleikvassli,Norway;BlackHawk, Maine;Ore Knob, North Carolina; and Elizabeth, Vermont. Minor amounts...tourmalineintergrownwith massivesulfide(e.g., Ore Knob) displayfine, delicategrowth lamellaesimilar to...generallyclassifiedas intermediatemembersof the dravite-schorl series. Numerousdescriptions existof the...the occurrenceof Fe-rich(commonly dravite-schorl) andLi-rich (commonly schorl-elbaite)tourmalinesin granites...associatedwith magmatic- developedat the Elizabeth mine, Vermont (Mchydrothermal phenomena including tin-tungsten
Journal (article/letter/editorial)
large variety of minerals and gemstones in North Carolina annually attracts thousands of collectors to...the world. Some Mineral Collecting Sites in North Carolina T H E C O L L E C T I N G L O C A L I T I E...McKenzie's publication Mineral Collecting Sites in North Carolina: Information Circular 24 (1978). For a more...locations on county road maps, refer to this publication, which can be ordered from the North Carolina Department...27687, Raleigh, North Carolina 27611. The price is $5.00 plus 4% sales tax. Individual county road maps can
Journal (article/letter/editorial)
Cambridge, MA 02139, USA z US Geological Survey, National Center, MS 954, Reston, VA 22092, USA Abstract. Boron...giant ore bodies at Kidd Creek and Sullivan (Canada), Broken Hill (Australia), and Ducktown (USA). Overall...where R is predominantly Fe 2+ in schorl, Mg in dravite, and (A1 + Li) in elbaite. Na may be partially...massive-sulfide tourmalines fall mainly within the schorl-dravite solid solution series, with a tendency for Mg-rich...have compositions intermediate between schorl and dravite (Ethier and Campbell 1977; Appel and Garde 1987;
Report (issue)
NORTH CAROLINA DEPARTMENT OF CONSERVATION WILLIAM DIVISION JASPER P. OF L. SAUNDERS, MINERAL...RESOURCES GEOLOGIST Circular 16 LOCALITIES NORTH OF CAROLINA BY JAMES F. CONLEY Doc NC DENR LIBRARY...... ACKNOWLEDGEMENTS MINERAL COLLECTING IN NORTH CAROLINA , . . . . # . WHERE TO COLLECT f ... f ......THE MINERAL LOCALITIES OF NORTH CAROLINA BY COUNTIES . . ALAMANCE COUNTY 5 5 Pyrophyllite ......... f .......... 5 ALEXANDER COUNTY ................. 7 Emerald, Hiddenite and Associated Minerals
Journal (article/letter/editorial)
Recorder of Ore-Forming Processes Zoned tourmaline from the Ore Knob VMS deposit, North Carolina, USA. The matrix...valuable metals. In favorable KEYWORDS : tourmaline, ore deposits, hydrothermal, compositions, isotopes cases...composition, respectively) of hydrothermal fluids can be ORE DEPOSITS obtained by measurements of primary fluid...such as quartz, or estimated from isotope thermal ore deposits from diverse tectonic settings (FIG. 1)...destroyed by post-ore hydrothermal, tectonic, (2) “syngenetic” deposits in which ore minerals formed or
Report (issue)
.'.' .., Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie RUTILE GUMMITE...Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North CarOlina Department of Natural Resources and Community...for the general welfare of the citizens of North Carolina. The Section conducts a number of basic and...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist FRONT
Report (issue)
Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North Carolina Department of Natural Resources and Community...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist i ...FRONT COVER PHOTO Twinned emerald crystal from North Carolina, photo from Smithsonian Institution (slide...viable mineral collecting sites through­ out North Carolina. Some sites are commercially operated during
Journal (article/letter/editorial)
AsheFormationin North Carolina, and sulfidedepositsare similarto thoseseenin the Asheat Ore Knob,North Carolina... 1522 c. E. ABRAMSAND K. I. McCONNELL NORTH CAROLINA SOUTH CAROLINA TENNESSEE GEORGIA % % •,?,,,,,...Contact /' Gradational contact •' Abandoned mine X Abandoned prospect MUD CREEK FORMATION (no...located. located. Ax•s of malor fold. • Abandoned mine x Abandoned prospect COBB CO 0 0L 1 1 2...extendingfrom Dallas on the southwest(Fig. 2) to Cherokee County on the northeast.There the Univeter, Canton, and
Book (volume)
vertebrate remains. The breaks of the White River north of Crawford in Dawes Co. and the rather extensive...chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...CHEYENNE, DEUEL, GARDEN & KEITH COUNTIES AREA, between North and South Platte rivers and in all tributary branches
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;
Journal (article/letter/editorial)
presentin inclusions. Thehighest basemetalcontents arein ore-related tourmaline samples fromKiddCreek(Ontario)...recrystallized duringregional (and from the Ore Knob mine (North Carolina) and the Prieska in onecasecontact)...onecasecontact) metamorphism, whichtypically hasde- mine(SouthAfrica)mayalsobe premetamorphie, because velopedcoarse...tourmalines,suchas those from the ChemicalCompositions Ore Knobmine,NorthCarolina,mayalsoretainpremetamorphicgrowthfeatures...minorchalcopyrite andquartz,andtracesphalerite, from Elizabeth mine,Vermont; CP-16,coarse crystals, 1-7 cmlong,withinmatrixof
Journal (article/letter/editorial)
colors and compositions of tourmaline, ranging from dravite to schorl, are present in the deposit, but the...resulting sudden cooling, dilution, and oxidation of the ore fluids created the conditions required for massive...cassiterite and formation of a very large, high-grade ore deposit. Keywords: tourmaline, schorl, cassiterite...couleurs et compositions de tourmaline, variant de dravite à schorl, sont présentes dans ce gisement, mais...common gangue mineral in a variety of hydrothermal ore deposits, including granite-related tin lodes, Cu–Mo
Report (issue)
C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated “check list” just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...Cordieritc Tourmaline Group Elbaite Checklist Dravite Schorl Chrysocolla Pyroxene Group Monoclinic pyroxenes...(Haydcnitc) 9 Virginia Mineral Localities by County This list is included for possible aid in planning...listed only* if localities arc given for them. The county lists do not include com­ mon rock-making materials
Journal (article/letter/editorial)
ORE GEOLOGY REVIEWS ELSEVIER Ore Geology Reviews 12 (1997) l-34 Early Proterozoic Cu-( Au) and Fe ore...ore deposits associated with regional Na-Cl metasomatism in northern Fennoscandia Rudyard Frietsch a...indicate formation temperatures of about 300°C and ore deposition from highly saline aqueous solutions....schists controlled the reduction reactions of the ore fluids and metals were precipitated. The Lapponian...sulphide deposits contain tourmaline of the schorl-dravite series. Aitik-Nautanen Cu-(Au) style deposits and
Book
CHAPTER 8 Tennessee 8 7 6 CHAPTER 10 South Carolina ......... _ .......... _ _ .... ____________________............._........... 7 3 6 CHAPTER 9 North Carolina 4 2 3 3 9 6 3 CHAPTER 1 GEM H U N T...g e s w h i c h c r e s t a t M t . N o r t h Carolina, a n d C l i n g m a n ' s Dome, Tennessee. Because...o f t h e waste o f t h e mine. W h a t t h e y needed was h i g h grade ore o f the t y p e f r o m w...n d m 1799 i n Cabarrus C o u n t y, N o r t h Carolina, b y a s m a l l b o y w a l k i n g along a m
Journal (article/letter/editorial)
mainlybelongto twocommon solid-solution series: dravite-schorl and dravite-uvite. Ca- and Fe-rich feruvite and alkali-deficient...include (fromoldest toyoungest): (1)rareFe-rich dravite-schorl withinblacktourmalinite clasts in footwall...agodidnotallowEthierand and evolutionof hydrothermal ore-forming systems, andit Campbell (1977)to analyze...11600 N 3500 albite-chlorite-pyrite-rock sulfide ore LATITUDE chloritic rock gabbro • granophyric...Pb-Zn-Ag deposit showing thedistribution of sulfide ore, footwall tourmalinite, andrelated rocktypes.Section
Journal (issue)
M. Pryce and J. Chester The Amity Area, Orange County, New Y o rk ............................... 85...Geological Survey Uralolite from the Dunton Gem Mine, Newry, Maine: A Second O c c u rre n ce .........based on common experience: turkey-fat ore, feather ore, cog-wheel ore, horn silver and wood tin. But it was...length, collected in the Mindola open pit, Rokana mine, Zambia, by S. P. Korowski. The Mineralogical Record...miner at the 115-year-old Oriental mine in Alleghany, Sierra County, California. In August, about five
Report (volume)
... osteo ei teats teates i ontccerdstacandrsts ore, ne cones: ots otcmane men cecmeodasaas 6 RRELETENCES...Ac sunccn sack ood cesccece tenn aaa cane syk ees Usa RUT TRO Re ete ret ee 182 BAK CIC sc cee ca thabucasats...boron in magma....................... Baron.and, Ore. Denosits. 5.0. cacewehskersasedvarcetccky qesulccaachsbbeonenstes...eset, SMe o>. Tourmaline stability in magmas: Dravite...................:cceeeeeeeeeeees Tourmaline stability...assemblages...... Tourmaline stability in magmas: Schorl-dravite ..................2..0008 Bare MOW COPIES oa. tunics
Report (volume)
Magnesiodumortierite Alkali-free dravite Complex tourmalines Dravite Uvite Elbaite Highly aluminous tourmalines...metasomatism as a record of boron in magma 322 Boron and Ore Deposits 323 Boron Partitioning and Isotope Geochemistry...feldspars 374 Tourmaline stability in magmas: Dravite 376 Tourmaline stability in magmas: Quartz-tourmaline...assemblages 376 Tourmaline stability in magmas: Schorl-dravite 377 Acknowledgments 379 References 379 Chapter...Slack TOURMALINE ASSOCIATIONS WITH HYDROTHERMAL ORE DEPOSITS Introduction Granitoid-related Deposits
Book (edition)
Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...mineral in magmatic rocks, pegmatites, ore veins or other types of ore deposits, including secondary minerals...biotite. olivine), or among the important economic ore minerals (eg: lepidolite, wolfrarnite). In many cases...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada
Book (edition)
Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For...Photo Editor: Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©
Book (edition)
Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...Willard Lincoln. Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere...USSR, in transla[ion , 1966). INTRODUCTION The Ore Minerals and Their Intergrowths, 2d ed., Vols. 1...fibrous, conchoidal, etc. gangue The portion of an ore that is not economically valuable. gem A mineral
Book
variety amethyst, sceptre habit, Denny Mountain, King County, Washington, U.S.A. / Photo by Ken Mayer Production...1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian Boyle...Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer...Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil
Report (volume)
Bibliography of North American Geology, 1962 GEOLOGICAL SURVEY BULLETIN 1232 Bibliography of North American... BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1962 INTRODUCTION This annual volume of the "Bibliography of North Amencan...appeared dunng 1962 concernmg the geology of the North Amencan contment, Greenland, the West Indtes and...m foreign JOurnals are ctted If they deal wtth North Amencan locahttes or are of a general nature, but...If they deal oruy With foreign areas Articles on North Amenca by foreign authors~re mcluded regardless
 
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