| | Journal (article/letter/editorial) | PETROGRAPHICAL COUNTY, PROVINCE MASS. I. OF ESSEX THE area of igneous rocks in Eastern Massachusetts, especially...especially in Essex county, has been, as the late Geo. H. Williams said, " more discussed than any other...pages are written. I have visited the region of Essex county several times and collected a large number of...of its chief features. The igneous rocks of Essex county extend along the coast from Lynn to the New...Basin, but this paper does not include them. In Essex county they form a long ridge "extending in a northeasterly | | | Book | MASSACHUSETTS MINERALAND FOSSIL LOCALITIES Compiled by Peter P. Gleba 'I!~·· . \. i r,'"--""'4' I...publication. Peter P. Gleba December 2008 Quincy, Massachusetts Member Boston Mineral Club Reprinted by permission...is some of the most valuable real estate in Massachusetts. Calculating it another way, [Peter Gleba] said...is some of the most valuable real estate in Massachusetts. It has access, it has convenience, it has exposure...window of his car as he passed west of the Massachusetts state lottery offices and saw a spreading rust | | | Book (volume) | which in 1865 absorbed the collection of Sussex county minerals made by Samuel Woodruff, of Sparta, New...Hill and Harmony, Warren county. tals in calcite at Franklin, Susse_: county. _gate, (Quartz.) Very...Very tlne crys- Silica. Hoboken,Hudson county. Bound Brook and LibertyCorner, Somersetcounty. NEW JERSEY...cavities in amygdaloidal trap at Plainfield, Union county. See L C. Russell in Am. J. Set. III., XVL, 112...crystals imbedded in gneiss at Franklin, Sussex county. A pebble of alla,ite was found eight feet below | | | Report (volume) | See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby...Shelby County, near Whiting Station and Calera; Talladega County, in several places. Bauxite. Cherokee | | | Journal (article/letter/editorial) | minerals are coarse-grainedand consistmainly of pyrrhotite, pyrite, sphalerite,galena, chalcopyrite, arsenopyrite...contentof the sphaleriteis higher where it occurswith pyrrhotite than where it accompaniespyrite, but details...citebothcutting andbeing cutbysulfides.According toAleva(2) pyrrhotite is thepredominant ironsufide at depthwhereas...agreeswith Aelva that arsenopyriteis younger than both pyrrhotite and sphalerite. The mineralsare appropriate for...sphaleriteanalysesare listed in Table 2. As indicated,pyrite, pyrrhotite,andsphalerite coexistin manyspecimens, but paragenetic | | | Report (volume) | 704 GEOLOGY OF THE IGNEOUS ROCKS OF ESSEX COUNTY, MASSACHUSETTS BY CHARLES H. CLAPP WASHINGTON GOVERNMENT....... 9 9 9 10 11 11 11 15 j ( Geology of Essex County.................................................. 26; . . 3 4 CONTENTS. Geology of Essex County Continued. Igneous rocks Continued. Subjacent...reconnaissance map and structure section of Essex County, Mass.........................................map and structure section of southern part of Essex County, and adjoining parts of Suffolk and Middlesex | | | Report (volume) | .......................................... Massachusetts...............:...............................See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.;...; Jefferson County, at Ely ton; Lee County, at Chewacla lime works"; St. Clair County, at Greensport; | | | Journal (article/letter/editorial) | high-temperature hydrothermal settings that include pyrrhotite-rich. volDr Robert B. Cook, an executive editor...MINERALS canogenic, massive sulfide deposits and pyrrhotite-pentlandite Cu-Ni ores in which it commonly occurs...Callahan sulfide deposit at Harborside and with pyrrhotite and other sulfides at Union, Maine. At least...least twenty of the thirtythree cupriferous pyrrhotite deposits of the Great Gossan lead district, Carroll...Tennessee. Cubanite was a minor constituent of pyrite-pyrrhotite ore exploited for sulfur and copper in the early | | | Journal (article/letter/editorial) | specimen sent you recently. It was found in Coosa County, Ala., near Rockford. You have my permission to...Brown Ave., Terre Haute, Ind. I O W A — From Marion County, Iowa, we have an interesting specimen consisting...a road cut on a new construction job in Lincoln County, Me., on Rt. 1, bypassing the towns of Newcastle...that first in each issue. W e belong to the Oxford County Gem and Mineral Association." — item sent in by... Griesbach, 3957 Wendy Court, Wheaton, Md. MASSACHUSETTS — "I have furthered my finds on Andover, Mass | | | Journal (article/letter/editorial) | Essentiallythe mineralsin all bodiesare pyrite, pyrrhotite,chalcopyrite,arsenopyrite, galena,sphalerite...Brook and Brunswick No. 6 sulfide deposits,Gloucester County, New Brunswick: Geol. Surv. Can. Paper 63-24...Brunswick Mining and Smelting orebodies, Gloucester County, New Brunswick: Can. Inst. Min. Met. Bull | | | Journal (article/letter/editorial) | the Red Mountain range near Silverton, San Juan County, Colo., there is marmatite. It is a high-iron sphalerite...Illinois to Buffalo State Park in central LaSalle County, 111. We found many sam115 pies of the fish-tail...limestone near Frederick, Frederick Co., Md. MASSACHUSETTS — The following letter, dated Jan. 4, I960,...mention two additional localities of sphene in Massachusetts. The first one is the Baer-Mingolla Quarry in...so far noted at this locality: Chalcopyrite, pyrrhotite, pyrite, hematite, ilmenite, pyrolusite, goethite | | | Journal (article/letter/editorial) | the hemeree indicated in the above table :— f Gloucester (Robin's Wood Hill) •! Painswick I Haresfield...these deposits are followed northwards from near Gloucester to Cleeve Hill, near Cheltenham, and then eastwards...described become attenuated. Passing southwards from Gloucester, the thickness varies considerably, as shown...garnet. magnetite. pleonaste spinel. 2 pyrite. 2 pyrrhotite. Orthorhombic. Khombohedral. anatase. rutile...Cretaceous and Triassic sediments of the former county. Kyanite is abundant in the samples from the southern | | | 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 | | | Journal (article/letter/editorial) | convertable to temperaturesas high as 490øC for pyrrhotite,and perhapsrepresenting equallyhigh temperatures...porphyroblastic (13), whichgrew at the expense of pyrrhotite,at a time when there was sufficienttectonicmovementto...KALLIOKOSKI crystalsin a fine-grainedmatrix of pyrrhotite,similar in appearanceto the pyrite porphyroblasts...shearedRammelsberg ore. Syngenetic,disseminated pyrite and pyrrhotite in the Grenville of New York (50) havesurvivedperiodsof..., 1969., Geologyof the Iron King Mine, Yvapai County, Arizona: Ecom G•oL., v. 47, p. 24-56. 10. Dechow | | | Journal (article/letter/editorial) | End-memberdanalite is compositionallyequivalentto a mixture of pyrrhotite, phenakite, and fayalite, but danalite's natural...under somewhatmore sulfidizing conditions than pyrrhotite and more oxidizing conditions than fayatte. Danalite...extremely narrow stability field centered near the pyrrhotite,/magnetitefield boundary. Outside this field...temperatures,bertrandite)is stablewith magnetite,pyrrhotite (or pyrite), and quartz. A natural example of...discussionit can be replacedby pyrrhotite, Fe,-,S. The non-stoichiometryof pyrrhotite has been neglectedfor conveniencein | | | Journal (article/letter/editorial) | rutile-ilmenite solid solution, calcic plagioclase, Ni-rich pyrrhotite, thorite and low-Si and Fe-rich glassy inclusions...gahnospinel, thorite, calcic palgioclase and Ni-rich pyrrhotite. The wide occurrence of primary Fe-rich spinels...(sulphides, etc.) Mineral phase Analysis wt% Pyrrhotite Ni-pyrrhotite Cu-pyrrhotiteb Mineral phase Analysis...(4 inclusions, Table 1C), namely pyrrhotite (Fe2S3) and pyrrhotite-pentlandite (Ni2Fe5)7S8. They dier...(up to 17.5 wt% NiO and S < 40 wt% in the Ni-pyrrhotite). Glassy inclusions Subsequant to amoeboid bodies | | | Journal (issue) | Minerals Of Franklin and Sterling Hill, Sussex County, New Jersey, u. S. Geological Survey Professional...Harmony, Warren County, Agate, Hoboken, Bound Brook and Liberty Corner in Somerset County, Algerite (altered... Al1opha.ne. Weehawken, Hudson County Mt. Freedom, Morris County. -91A methyst. Weehawken tunnel...tunnel . Little Falls , Passaic County. Abundant in geodes at Lyons Station, Somerset Co. A mphibole, Large...Roseville, Sussex County . Large rough crystals at Bergen Hill and Bulls Ferry, Hudson County . Analcite | | | Journal (article/letter/editorial) | sections,(iii) bandsof sulfides, particularly pyrrhotite and chalcopyrite,galena, or sphalerite, (iv)...FORMA,rFION5' 261 smallroundedopaquebodiesof pyrrhotite,chalcopyrite or ilmenite. Rutile needlesare commonand...of the rocks,or as smalldisseminated grains. Pyrrhotite,pyrite,chalcopyrite, sphaleriteand galenamay...polishedsectionsare: (i) ilmenite-pyrrhotite,(ii) ilmenite (>>magnetite), pyrrhotite (>>pyrite), (iii) ilrnenite...ilrnenite (>>magnetite), pyrrhotite, (iv) pyrrhotite, (v) ilmenite-rutilepyrrhotite. Chemistry Chemicalanalysesof | | | Journal (article/letter/editorial) | Comparison with syenite (andesine anorthosite) of Nelson County, Virginia........................................Front Royal, in Warren County, southward to Hightop and beyond in Greene County. Farther southwest, at...norite from a locality in the northern part of Floyd County, Yirginia. Attention was called to the close similarity...similarity of the syenite from Floyd County to the unakite-bearing syenite at Milams Gap, in Page and...of the Blue Ridge farther southwest in Roa noke County. The Amherst-Nelson counties rock series shows | | | Journal (article/letter/editorial) | prospect on the Betts Farm near Plainfield, Massachusetts, where it occurs in compact masses with kutnohorite...Franklin County; at Coventry and Irasburgh, Orleans County; and at Cavendish, Windsor County, Vermont... at Keene, and southeast of Hinsdale, Cheshire County, and elsewhere in New Hampshire and is reported...from Haddam, Middletown, and Portland, Middlesex County, Connecticut. In Rhode Island, rhodonite has been...in manganese prospects at Cumberland, Providence County. Downloaded by [Universite Laval] at 20:02 10 | | | | United States: 311 Washington Street, Brighton, Massachusetts www.fitzhenry.ca 02135 godwit@fitzhenry.ca... chalcopyrite, covellite, pyrite, marcasite, pyrrhotite, pentlandite, stibnite, cobaltite, arsenopyrite...bornite (bronze), p. 38 bluish tint), p. 82 pyrrhotite (bronze yellow), p. 50 chalcocite (dark grey)...nugget recorded is from Carson Hill, California, USA, weighing 72.78 kg. Transylvania, Romania; Roraima...Lake, Labrador, Newfoundland; Cap d’Or, Cumberland County, Nova Scotia. Other Localities: Keweenaw Peninsula | | | Journal (article/letter/editorial) | recovered by Mr A.W. Chubb of Gloucester during prospecting operations at Gloucester Tops in the early 1970s... Eastern Australia Locality Lat.S, Long.E Gloucester TopsBarrington Tops 310500-32005 ', 151~176...which extends from 850 m to 1545 m a.s.1. Around Gloucester Tops, single ruby grains weigh up to 3 carats...interfluve between the Kerripit and Gloucester Rivers near Mt McKenzie on Gloucester Tops (Fig. 1). The Barrington...625 FqG. 1. Geological Map of Barrington Tops-Gloucester Tops region, New South Wales, simplified from | | | Report (issue) | sulphide deposits of the Elizabeth mine, Orange County, Vermont ... . .............. 4l J.F. SLACK, M...sulphide deposits of the Davis mine, Hampshire County, Massachusetts ........... . .... . . .. ............ ...manganese ores of the Betts mine, Hampshire County, Massachusetts . .. ......... . ....... . , .... .. .....sphalerite, galena, chalcopyrite and in places pyrrhotite. They range in size from small showinqs to huqe...sphalerite-galena and/or chalcopyrite-pyrite (and/or pyrrhotite). The Zn-Pb-rich zones are commonly layered and | | | Journal (article/letter/editorial) | magnetite, and pyrite, followed by interstitial pyrrhotite, sphalerire, chalco. pyrite and galena. Minor...true of the A and B ore bodies. Chalcopyrite,pyrrhotite, andquartzoccurwherelaterfracturing hasoccurred...occursas a later hypogene alterationproductof pyrrhotite. Supergenereplacement as examinedin B-1 pit is...Methods and •lpparatus Drill coresamplesof pyrite,pyrrhotite,chalcopyrite and sphalerite-galena were collectedfrom... :: :: A ZONE : , : : :',:::: : Pyrite Pyrrhotite Chalcopyrite Sphaleritc-galena : D : ZONE | | | Journal (article/letter/editorial) | igneousrocks but is generally missing from the pyrrhotite-bearingsedimentaryrocks of unit 1 (cf. Helmstaedt...MASSIVE SULPHIDES()"6 %Pb"l-Zn) • MASSIVE PYRITE PYRRHOTITE WITH )"0.5ø/oCu FIG.5. Longitudinal section,...eJ•J•j MASSIVE SULPHIDES, MAINLY PYRITE OR PYRITE PYRRHOTITE WITH LOCALLY Cu)' Q5 0/o FIG.6. Longitudinal...foldsoverprinted by F2. C. F• fold in pyrite-pyrrhotite interlayered with iron-formation. Note boudinage...several points argue against that. The presence of pyrrhotite and magnetite within the sulfidelayers,scarcityor |
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