 | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | pegmatite as ga lena, sphalerite, chalcopyrite, pyrrhotite, bismuthinite, pyrite, loellingite, arsenopyrite...California; and three miles west of Buntingville, Lassen County in the same state. GALENA, lead sulfide, has been... Maine. At Conway, New Hampshire, and Quincy, Massachusetts, it has also been noted in pegmatite. A sphaleritebearing...pegmatites. It occurs together with pyrite and pyrrhotite embedded in triphylite at the Palermo Quarry...which may be either greenockite, or wurtzite. PYRRHOTITE, a sulfide of 'iron, next to pyrite is perhaps |  | | Journal (article/letter/editorial) | | PEGMATITE DISCOVERED IN ADIRONDACK MOUNTAIN AREA, ESSEX COUNTY, NEW YORK By ELMER B. ROWLEY 54 West Notre Dame...minerals, feldspar, quartz, biotite and tourmaline. Pyrrhotite dikes transect the pegmatite body. This represents...quartz on either side of, and above, the biotite. Pyrrhotite and diabase dikes from 2" to 15" wide cut the...occurs both intergrown, and associated with the pyrrhotite. Uraninite partially filling an area about 15"...States; Cape.Ann Granite Quarries, at Rockport, Massachusetts. "Zjrcon. Zircon is a zirconium silicate |  | | Book | | Nephelite-Cancrinite-Syenite 31. Essexite Maine Massachusetts Dacite-Quartz-Diorite Series: Colorado Minnesota...Diabase New Jersey VIII. 38. 48. Diabase Massachusetts Olivine-Augite-Hypersthene Gabbro 49. 50. ...Crystalline Limestones Vermont Dolomite-Marble Massachusetts Pink Marble Georgia IV. Ophicalcite, Serpentine...Oolitic Iron Gneisses and Crystalline Schists Massachusetts Hornblende-Gneiss New York 122. 123. 86. 87... 1. Glasses Scoria Near Black Rock, Millard County, Utah. O. E. Meinzer. Ref. : MACROSCOPIC MICROSCOPIC |  | | Catalog/List | | . . . . . . . . Fasciculite Xis in schist; Massachusetts Hornblende Common Hornblende Cleavable, black;... . . ........ . Xline, white, in dolomite; Massachusetts . .............. Hexagonite Purple :dine mass;...1.50 Xis, in matrix, ends of xis polished; Massachusetts .. ANDESINE (sodium and calcium aluminum silicate)... . . . . . . . . . . . . . . . . . . . .35 Massachusetts or New York . . . . . . . . . . . . . . . ....DATOLITE (basic calcium boron orthosilicate) Xlcd; Massachusetts or New Jersey .35 1.00 3.00 DELVA UXITE (hydrated |  | | Report (edition) | | much information on collecting sites in Oxford County. Numerous other collectors of Maine minerals also...Railroad : multiple track .. State. Bridge ...... county, parish, municipio .... Power transmission line...abundant in the Rockland-Thomaston, Rockport, and Union areas in Knox County. They once supported a booming...the element sulfur. Sulfides of iron (pyrite, pyrrhotite), copper (chalcopyrite), zinc (sphalerite), and...specimens of minerals and fossils in Aroostook County and elsewhere in northern Maine. Most of the bedrock |  | | Journal (article/letter/editorial) | | porphyritic granite, namely, fluorite, anatase and pyrrhotite, with lesser monazite and bastnaesite. The Mount...the North Fork of the South Platte River in Park County) to the Canon City embayment, a distance of about... Teller County. Porphyritic granite, Bear Creek, 1] miles east of Jones Park, Teller County Granitic...cutoff, El Paso County. Aplite dike, near Green Mountain settlement, El Paso County. l'ayalite granite...Gold Camp Road, El Paso County'. Mount Rosa granite, Rosemont, Teller County. Mount Rosa granite (fine-grained) |  | | 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 |  | | 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; |  | | Catalog/List | | enlarged photograph of a piece of Obsidian, from Lake County, Oregon, which shows a Conchoidal fracture. t...Fibrous; South Dakota Fasciculite Xis in schist; Massachusetts Hornblende Common Hornblende Xls, black, in...00 .60 XI, sections, varnished, in matrix, Massachusetts ......... :. ................ ....... 1 x l½"...DATOLITE (basic calcium boron orthosilicate) Xled; Massachusetts or New Jersey................ .60 1.26 DESCLOIZITE........... ............. Fine xline, white ; Massachusetts, 1 0 lbs. or more, 1 6c per lb............. |  | | Catalog/List | | . . . . . . 65 Fasciculite Xis, in schist; Massachusetts . . . . . . . . . . . . . . . . . . . . . 3.... . ... . .. . . .. . 6 FiM, xline, white; Massachusetts, 1 0 lbs. or more, .2 0 per lb . . . .. .. ...Michigan . . 13 Aficaceous (schistose) hematite; Massachusetts . . . . . . . . . 6 Massive; Min nesota . ....aluminum silicate) Large phmocrysts in diabase; Massachusetts . . . . . . . . . . . . 6 Coarse-xline and cleavages;...silicate) Foliated mass on rock, lavender; Massachusetts . . . . . . . . 49 MARTITE (isometric ferric |  | | Journal (article/letter/editorial) | | Investigation of Gilley Fluorspar Deposits in Cherokee County, Alabama, by James F. O'Neill. It is interesting... 50 miles northeast of Birmingham, in Cherokee County, located in West 1/2, West V2 of Section 16, Township...pegmatite district lies across the Park-Fremont County line in south-central Co'crado, a few miles northwest...to us. Will some Colorado reader tell us in what county is Hans Peak and, if possible, send us a few notes...black tourmaline. These crystals came from Walton County, about one mile southwest of Between, from the |  | | 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 |  | | 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) | | 30, 20 and 20 vol.%, respectively. Magmatic pyrrhotite, pentlandite and chalcopyrite make up more than...sulfide. The massive ores are composed mainly of pyrrhotite (Po) (85%) with fewer pentlandite (Pn) (10%)...granular textures. Flame textures resulting from pyrrhotite–pentlandite exsolution and embayed textures formed...Base-metal sulfides (BMS) Subhedral to anhedral pyrrhotite is coarse-grained (>0.5 mm in diameter) and is...occurs as fine-grained inclusions in pyrrhotite, as rims around pyrrhotite grains, as oriented lamellae or |  | | Report (volume) | | OTIS SMITH, Director Bulletin 597 GEOLOGY OF MASSACHUSETTS AND RHODE ISLAND BY B. K. EMERSON WASHINGTON....................................... Worcester County, Mass....................................... Westboro...member........................... Northeastern Massachusetts..................................... General..................................... Western Massachusetts...............................................district............................. Eastern Massachusetts............................................ |  | | Journal (article/letter/editorial) | | Origin of granites at Chelmsford-Westford, Massachusetts, and Milford, New Hampshire, is attributed to...intrusive granite stocks (Maine coast, Rockport, and Quincy, Massachusetts, et al.); (2) a broad belt to the...Triassic age occurring at Milltown in Somerset county, New Jersey. The crystal forms are those of glauberite...orientations. EXPERIMENTS BEARING ON THE RELATION OF PYRRHOTITE TO OTHER SI]LPHIDES' BY R. L. IIEWITT AND G....problem of the existence of solid solutions between pyrrhotite and pentlandite, chalcopyrite, galena, and sphalerite |  | | Journal (article/letter/editorial) | | University, Kalamazoo, MI USA of Environmental Quality, State of Michigan, USA *Corresponding author email:...sulfide deposit in the Upper Peninsula of Michigan, USA. Ding et al. (2012) addressed various aspects of...Peninsula within Michigamme Township, Marquette County. It is approximately 24 km west from Big Bay and...Sulfide minerals sometimes seen in this rock are pyrrhotite and pyrite. The slate unit is pelite-dominated...poly-mineralic blebs of pyrrhotite, pentlandite, and chalcopyrite. Pyrrhotite usually occurs either as |  | | Report (issue) | | Geology of Massachusetts E. Stratigraphy of the Milford-Dedharn Zone, Eastern Massachusetts: An Avalonian... Stratigraphy of the Nashoba Zone, Eastern Massachusetts: An Enigmatic Terrane G. Stratigraphy of the...Belt, Central Massachusetts H. Structural and Metamorphic History of Eastern Massachusetts I. Intrusive...Intrusive Rocks of Eastern Massachusetts J. Radiometric Ages of Rocks in Massachusetts L.S. GEOLOGICAL SURVEY...PROFESSIONAL PAPER 1366-E-J The Bedrock Geology of Massachusetts NORMAN L. HATCH, JR., Editor E. Stratigraphy |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯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...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯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...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Journal (article/letter/editorial) | | years by membersof the GeologyDepartmentof the Massachusetts Institute of Technology. The accompanying map...in contact with Silurian-Devonianrocks in Kings County. No distinct stratigraphic breakbetweentheseandthe...hornblende,garnet, tourmaline,epidote,ilmenite and pyrrhotite. These mineralsare widely presentin varying amounts...with ordinary light than with crossednicols. Pyrrhotite followsthe quartzand is presentas radiatingaggregates...calcite,quartz, celestiteand strontianite. The pyrrhotite is later than the dolomite,quartz and calcite |  | | Journal (article/letter/editorial) | | lO8167J W. FRONDEL AND F-RANS E. WICKMAN Rockport, Massachusetts 2Ht 2H, Molybdenite is found in the granites...McKinstry, 1924). Harvard 107870 Chesterfield, Massachusetts. 2Hrl3R-4:7 Molybdenite occurs in a granite...mineralization. The molybdenite, the pyrite and/or pyrrhotite, and sometimes small amounts of chalcopyrite...Eardley-wilmot but region, the of mineralization pyrite-pyrrhotite-molybdenite general to the belongs here the sulfides...molybdenite, bornite, pyrite, digenite, tetrahedrite, pyrrhotite, sphalerite and galena (Superceanu, 1969). U |
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