 | | Report (issue) | | ORE DEPOSITS OF THE DUCKTOWN MINING DISTRICT, TENNESSEE BY W. H. EMMONS AND F. B. LANEY WITH THE ACTIVE...Metallurgical and acid-making plants ________ _ Tennessee Copper Co.'s plant __________ _ Ducktown Sulphur..._____________ -------------- __ _ 48 Composition of the mine waters ____________ _ 49 Porosity of the gossan...-----------Burra Burra mine _____________________________ _ 50 • London mine _________________________________...__________ _ 50 East Tennessee mine ________________ --------- __ 50 Ocoee mine __________________________________ |  | | Journal (article/letter/editorial) | | and other by-products. The depositsat Ducktown, Tennessee,are the largest among them and one of the largest...Southernand Central Appalachianscontaina series town, Tennessee,are the largest among them and of massivesulfide...the averagethe massiveore consistsof 60 percent pyrrhotite, 30 percentpyrite, 4 percentchalcopyrite, 4 percentsphalerite...in the high grade metamorphicrocks. The axial pyrrhotite + pyrite -----magnetite-----chalcopyrite+ plane...northwestlimb of the Burra anticlinoriumand Mary Polk and Calloway on the southeastlimb. The Eureka, Boyd, and |  | | Journal (article/letter/editorial) | | lead isotopeanalysesof galenasreportedhere town, Tennessee, representa survey of someof the varioustypes...SouthCarolina•6, KingsCreek barite mine, South Carolina; ?, Cameron mine, South Carolina; 8, Castle'sprospect...Castle'sprospect,SouthCarolina:9, StoneHill mine, Alabama•]0, GossanLeaddistrict,Virginia; ] ], Fontariadistrict...previousmodelswereknownassinglestage The Stone Hill copper mine occurswithin an am- or conformableleads. (The following...Central Virginia Piedmont 1. Mineral district, Louisa County, Virginia 14. Virginia gold pyrite Py, sp, gn |  | | Journal (article/letter/editorial) | | PorphyroblastDevelopment at the Cherokee Mine, Ducktown, Tennessee D. DUANEBBOOKEB,* JAMESR. CBAIG,ANDJ....strikingfeatureof the metamorphosed, massive, pyrrhotite-richsulfideoresat Ducktown,Tennessee.The crystals...pressure-temperature evolutionof the deposit. Pyrrhotite,which formsthe matrix for the porphyroblasts...ironsu]fides. the extreme southeasterncorner of Tennessee(Fig. metagrayAlthoughthe shapeandsizeof pyrite...Hadley(1970)interpreted metaconglomerates, quartzites, town, Tennessee,the crystalsrange upward in size schistsand associated |  | | Journal (article/letter/editorial) | | Model for the Origin of the Ducktown Deposit, Tennessee A. P. LEHURAY Lamont-Doherty GeologicalObservatory...Abstract Strata-boundsulfide depositsat Ducktown, Tennessee,have many characteristicsof volcanogenie exhalativedepositsbut...featureof the stratigraphic deposits of Ducktown, Tennessee,in proposed sequenceat Ducktown, and the presenceof...concentrations; recovered in some No MoS2in Mary-Polk orebody Age <2,000 m.y. <2,000 m.y. Late Proterozoic...locally Organics Yes Yes Pocketsof methanegasin Calloway;abundantgraphite Ore Disseminated Massive(somedisseminated) |  | | Journal (article/letter/editorial) | | metamorphosed massive sulphide deposits at Ducktown, Tennessee D. L . H A L L * , R. J . B O D N A R A N D J...Institute & State University, Blacksburg, VA 24061, USA ABSTRACT Standard petrographic, microthermometric...metamorphosed massive sulphide deposits at Ducktown, Tennessee, indicate that fluids with a wide range of compositions...low-salinity, H,O-CH, fluids and calcite, quartz and pyrrhotite daughter crystals. Many of these inclusions exhibit...Ducktown, Tennessee; fluid inclusions; metamorphosed massive INTRODUCTION Metamorphosed pyrrhotite-pyrite-rich |  | | Journal (article/letter/editorial) | | Tennessee Mineral Locality Index 300 T ennessee covers an area of 41,220 square miles in the southeastern...part of the state. Just prior to crossing the Tennessee River and continuing through the middle of the...Knoxville, Tennessee 37921 taparis@msn.com Figure 1 (top left). Calcite, 5.5 cm high, Elmwood mine, Smith...Smith County. Terry Huizing specimen, Jeff Scovil photo. Figure 2 (above). Fluorite, 13.1 cm wide, Elmwood...Elmwood mine, Smith County. Francis Benjamin specimen, Jeff Scovil photo. Figure 3 (left). Fluorite, 2.5 cm |  | | Journal (article/letter/editorial) | | content of sphaleritein assemblageswith pyrite and pyrrhotite has been widely used and widely criticized as...minerals involved. An example from Ducktown, Tennessee,demonstratesthe importance of nonequilibrium features...sphalerite in assemblagescontaining pyrite + pyrrhotite as a measureof physical pressureof equilibration...experimental studiesof the low-pressureequilibrium pyrrhotite + pyrite + sphalerite down to about 300 'C, and...composition of sphalerite in assemblageswith pyrite and pyrrhotite incited further experimental investigation ofthe |  | | Journal (article/letter/editorial) | | Bireflectancevalues show a highly preferred pyrrhotite grain orientation texture with prism or near...the basal planesof pyrrhotite grains. The occurrenceof the fine-grained pyrrhotite in a transversefault...to pyrrhotite grain elongation and to silicate banding, and the absenceof twinning in pyrrhotite suggestthe...the presenceof deformationtextures such as tion mine, Saskatchewan, Kanehira (1969) madeuse brecciation...Duck- documentthat the c-axes of pyrrhotite grains are town, Tennessee; Ore Knob, North Carolina; and preferentially |  | | Journal (article/letter/editorial) | | [University of Tennessee, Knoxville] at 14:35 04 June 2016 New York City, New York County, New York State...representative of a garnet from Deshong’s quarry, Delaware County, Pennsylvania, that can barely be considered almandine...found at several mines near Topsham, Sagadahoc County, Maine, particularly the Standpipe Hill quarry...collected at Mount Apatite near Auburn, Androscoggin County; and the Bumpus quarry, ROCKS & MINERALS 244-253...5/5/09 9:31:27 AM Downloaded by [University of Tennessee, Knoxville] at 14:35 04 June 2016 Figure 1. The |  | | Journal (article/letter/editorial) | | andGraphitein and around the Orebodies at Ducktown, Tennessee B}•ucE E. NESmTT * ^•D WtLLt^M C. Department...metamorphosed massivesulfide depositsat Ducktown, Tennessee. The oxide-sulfide-graphiteassemblagesused to...follows: pyrrhotite-ilmenite-graphite (country rocks), pyrrhotite-ilmenite,pyrrhotiterutlie, pyrrhotite-pyrite-rutile(wall...rocks), and pyrrhotite-pyrite-magnetite (ore zone). The transition from the pyrrhotite-ilmenite-graphite...to the pyrrhotite-ilmenite zonecan be recognizedas far as 90 m from the ore zone. The pyrrhotite-ilmenite |  | | Journal (article/letter/editorial) | | COMMUNICATIONS FABRICS IN PYRITE FROM DUCKTOWN, TENNESSEE JAMESR. CRAIG, Departmentof GeologicalSciences...In 1985 we obtained a samplefrom the massive pyrrhotite-pyritesulfideoresof the Cherokeemine, the last...west to east(Fig. 1), reachingstaurolitegradein the mine area and kyanitegradeapproximately16 km to the ...Bedding traces / ondon •//•' •/Cheroke½ / ' J• Calloway US• 0 0 feet 3000 meters I 0•00 FIC. l...l. A. Generalmap of the Ducktown,Tennessee,areashowingthe metamorphicisograds.B. Enlargementof the Du |  | | Report (issue) | | sulfur isotope ratios in galenas from Ducktown, Tennessee, is interpreted as an original characteristic...Ridge geologic . province 54 Ducktown district, Tennessee 60 District geology 60 Theories of origin...of ix. analyses of galenas "from Ducktown, Tennessee. 13. 6 3 "s versus 206 Pb/ 20I*Pb diagram of...range diagrams of sulfur isotope variation in Haile mine pyrite. 50. 259 265 U versus Pb, Th versus Pb...Vance County pluton. 57. 295 Lead isotope ratio diagrams illustrating results from Vance County pluton |  | | Journal (article/letter/editorial) | | blebsof chalcopyriteand pyrrhotite. $phalerite coexistingwith pyrite and pyrrhotite containsas much as 14...mineralizedzone of pod and veinlike bodiesof massive pyrrhotite in Carroll and Grayson Counties, southwesternVirginia...Appalachianssuchas Ore Knob, North Carolina. and Ducktown, Tennessee. The present 646 HENRY, CRAIG, AND GILBERT...1847 discoveryof the copper depositsat Ducktown,Tennessee,provokedinterest along the Great Gossan Lead which...1859with the closingof the Cranberry w •lantl '• mine. Operationswere resumedabout 1880 whenmining a |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Chalcopyrite, Galena, Pyrite, Pyrrhotite and some Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper...farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59, 5 mi. E of Jackson-Banks Co. lineBeryl. MAYSVILLE...along adjoining Co. linerock 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 floatjasper. CARTERSVILLE: |  | | Journal (article/letter/editorial) | | 2005 Copyright © 2005 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/05 $30.00 ⫹ .00 doi:10...determinations for sphalerite ⫹ pyrite ⫹ pyrrhotite and sphalerite ⫹ pyrrhotite assemblages are very sensitive...nature. However, assemblages made of sphalerite ⫹ pyrrhotite ⫾ pyrite are common enough so that these phases...standard states for component FeS in sphalerite and pyrrhotite are the pure hypothetical FeS, at any pressure...of sphalerite and pyrrhotite, respectively. Similarly, the hypothetical pyrrhotite phase with unit activity |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |  | Sundblad, K., Zachrisson, E., Smeds, S. A., Berglund, S., Aalinder, C. (1984) Sphalerite geobarometry and arsenopyrite geothermometry applied to metamorphosed sulfide ores in the Swedish Caledonides. Economic Geology, 79 (7) 1660-1668 doi:10.2113/gsecongeo.79.7.1660 | Journal (article/letter/editorial) | | Scandinavian Caledonides consist of a number pyrite, pyrrhotite, sphalerite,and arsenopyriteare abundant. of...pyrite-pyrrhotite-sphal- on top of one anothermainlytoward the end stage erite and pyrite-pyrrhotite-arsenopyrite... grainsin mutual contactwith both pyrite and pyrrhotite, but becausepyrrhotite often occursonly sporadicallyin...alwayspossible. It was, however, ensuredthat pyrrhotite occurred within the same polished section as...general,the contentof each of the elements nopyrite-pyrrhotite pairsandarsenopyrite in isolated Co, Ni, and |  | | Journal (article/letter/editorial) | | ia in the MassiveSulfideDepositsat Ducktown, Tennessee BRUCE E. NESBITT Department of Geology,The Universityof...countryrocks,wall rocks,and ore zoneat Ducktown,Tennessee, indicatesthat high values for rs2and fo• during...controlledby complexreactionsinvolvingmuscovite, pyrrhotite,quartz, and the ferromagnesian silicates.Good...situatedhas cated in the extreme southeastcorner of Tennessee beenexposed to severalperiodsof structuraldefor-...Group Great Smøky Grøup '":'• •? ' ' I •-'/ TENNESSEE ., ,r' NORTH CAROLINA I J '-"/ L ] • / |  | | Report (issue) | | __________-_-_J_-_________________ History of the mine- _ ____-_________'________ Results of previous work_______________...________-_-_____--__---_-_ Betty Baker mine...-----------------..---Grayson County sulphide zone. _____________...--_--________ Copper deposits of the Ducktowu district, Tennessee History of mining development._____________ Location..._. London..________-______-__-----__-___ East Tennessee._________.._-___.___-___ Ocoee._______________________________...er of Ducktown ores_____.___________ Alabama pyrrhotite deposits____________________ Sulphide-bearing |  | | Report (issue) | | Preliminary Investigation of the Geology of Clarke County, Georgia, by Eldon J. Parizek ______________________________...____ 23 Figure 3. Areal Lithologic Map, Clarke County, Georgia ---······-----------------------------------------------...Figure 7. Inclusion embedded in Granite in Clarke County, Georgia. The hammer lies parallel to Bedding Planes...Figure 8. Inclusion Pattern in Granite, Clarke County, Georgia ------------------------------------------...the Ellijay Quadrangle, Ge0rgia-North Carolina-Tennessee, by A. S. Furcron ______ 32 Figure 1. Geology |  | | Journal (article/letter/editorial) | | content in sphalerite in equilibrium with hexagonal pyrrhotite 98 Khin Zaw and R. R. Large and pyrite indicates...granite-related mineral assemblages including pyrrhotite, pyrite, magnetite, garnet, helvite, biotite...sphalerite from the Rosebery Mine, J(K) and P lens of the Hercules Mine, and the South Hercules deposit...replacement during the Devonian at the Rosebery Mine, and (2) deduce the effect of ayes(as2) on gold...F(pyrrhotite, in pyrite (Fig. 3D). Sphalerites are also coarse-grained |  | | Book (volume) | | .........................................374 Tennessee ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | .........................................374 Tennessee ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Journal (article/letter/editorial) | | s supports earlierpredictions thatmonoclinic pyrrhotite may be a metastablephasedown to low temperatures...Where sphaleriteoccurs togetherwith pyrite and pyrrhotite,the activityof FeS is buffered and the FeS content...BartonandToulthe bufferedassemblage pyrite + pyrrhotite+ sphal- min (1966), Scott(1973), andToulminet...blagesshouldnot affect the geobarometerbelow pyrrhotite at temperaturesbelow 325øC and pres600øCbut acknowledged...revery have focusedon calibrating sphalerite-pyrrhotite longrun times,evenin the presenceof exoticfluxes |
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