 | | Report (volume) | | .................................. 10 Franklin County.................................................................................... 11 Lamoille County..................................................................................... Washington County......................................................................................... Orange County........................................................................................ Addison County............................................... |  | | Report (issue) | | GEOLOGICAL SURVEY Preliminary Geologic Map of the Lunenburg and Fort Mitchell 7.5' Quadrangles, Virginia by...pre-cleavage structures........ 6 INTRODUCTION The Lunenburg and Fort Mitchell 7.5' quadrangles have been mapped...Survey. The two quadrangles include parts of Lunenburg, Mecklenburg, and Charlotte counties, and are...the U.S. Geological Survey (1978a, 1978b). The Lunenburg and Fort Mitchell quadrangles are adjacent to...Figure 1). With respect to geologic provinces, the Lunenburg and Fort Mitchell quadrangles are located within |  | | Journal (article/letter/editorial) | | addition accessoryminerals such as muscovite, biotite, garnet, and perhaps common beryl and black tourmaline...near Milford, New Hampshire,lle and in Riverside County, California.r20Qtartz diorite pegmatites occur...Maine; Madagascar; Wodgina, Western Australia; Lunenburg County, Nova Scotia; IJto, Swedenl east Transbaikalia;123...286,1907. l1e Dale, T. N., The granites of Massachusetts, New Hampshire, and Rhode Island: tI. S. Geol...of southern Norway; Ytterby, Sweden; and Llano County, Texas, and in an alkalic granite pegmatite at |  | | Journal (article/letter/editorial) | | suite related by Ihe fractional crystallization of biotite and plagioclase. The magma for the batholith may...comagmatique relike par la cristallisation fractionnee de biotite et de plagioclase. Le magma pour le batholite peut...metasediments form the rocks occurring in Halifax, Hants, Lunenburg, north and south boundaries. The purpose of Kings...Yarmouth County. Isolated graphic and geochemical variations within the plutons in Shelburne County and eastern...project area, and to synthesize this information County may also be part of the South Mountain with earlier |  | | Report (issue) | | Bedrock Geoloqy of the Nashua River Area, Massachusetts - New Hampshire By Gilpin Rile Robinson, Jr...ZONE 12 ROCKS IN THE NASHUA RIVER AREA 15 WORCESTER FORMATION 18 Nomenclature, Historical Background...Quartzofeldspathic granofels member (mqfg) 30 Ill Biotite-knot schist member (mbks) 31 Rusty weathering...Description 41 Biotite granite containing less than 6 percent biotite (Dfg) 41 Biotite granite containing...containing 5 to 15 percent biotite (Dfbg) 42 Radiometric Age 42 CHELMSFORD GRANITE 43 Nomenclature, |  | | Report (issue) | | .......................11 The Ledge (Charlotte County Granite) quarry.................................. . . . . . . . . . . . . . . . . . 349 67. Lunenburg. . . . . . . . . . . . . . . . . . . . . . . ...Junction, Oak Bay Road to The Ledge (Charlotte County Granite) quarry (p. 12). km 6.7 Junction, road...schist Nova Scotia gold mines Argillite, slate Lunenburg Bay area ------------------------------------...of the St. Stephen area (NTS 21 G/03), Charlotte County, New Brunswick (NBDNR, 1:50 000) 143 St. Stephen |  | Horton, J. Wright, Peper, J.D., Marr, J.D., Burton, W.C., Sacks, P.E. (1993) Preliminary geologic map of the South Boston 30 x 60 minute Quadrangle, Virginia and North Carolina. Open-File Report Vol. 1993 (93-244) US Geological Survey doi:10.3133/ofr93244 | Report (issue) | | kilometers in parts of Brunswick, Charlotte, Halifax, Lunenburg, and Mecklenburg Counties, Virginia, and parts...Example: muscovite-bionte granite contains more biotite than muscovite.] CENOZOIC SURFICIAL DEPOSITS Qal...Variably mylonitic rocks derived from biotite gneiss, muscovite-biotite schist and gneiss, granitic gneiss...LATE PALEOZOIC GRANITES PPg Two-mica granite Biotite-muscovite granite, muscovite granite, and leucogranite;...PPgw Granite of Wise pluton - Muscovite-biotite granite, biotite-muscovite granite, and leucogranite containing |  | | Report (issue) | | (ankerite, calcite, dolomite, and siderite), albite, biotite, and chlorite among others (Berger, 1986). Low-sulfide...found in about 2 percent of the deposits include biotite, tourmaline, dolomite, other carbontates (e.g....States, (except Alaska) and in Nova Scotia, it is a county name; in Alaska, area gives the 1 by 3 quadrangle...Allgood, R.W., 1985, James Gold Mines, Toulumne County, California: Sonora Mining Corporation, 13 p. Anonymous... 1935, Mines and mineral resources of Siskiyou County: California Journal of Mines and Geology, v. 31 |  | | Journal (article/letter/editorial) | | Indonesia, Cornwall, and Saxony are all biotite or biotite-muscovite-bearing (Westerweld, 1936). In...and in Nigeria the tinbearing granites contain biotite (Kloosterman, 1967, 1970). In all of these localities...1925). However, no author has suggested that all biotite granites are tin-bearing and hence this relationship...contains several small cassiterite prospects in Lunenburg County (Fig. i). The chemistry of 75 samples from...Smith, 1973) made up of granodiorites, muscovite biotite granites, leucogranites, and alaskites. The batholith |  | | Report (issue) | | .......................................105 Massachusetts ..............................................Carolina, Virginia, Maryland, Pennsylvania, Massachusetts, Vermont, and New York. Districts in California...of the recorded production. Talc deposits in Massachusetts are mostly located in a north-trending belt...metasedimentary rocks continuous with that in Massachusetts; some are in Middle Proterozoic gneiss. They...talc has tri-octahedral structure, analogous to biotite. These composite sheets are linked only by van |  | | 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 |  | Carruzzo, S., Kontak, D. J., Clarke, D. B., Kyser, T. K. (2004) AN INTEGRATED FLUID MINERAL STABLE-ISOTOPE STUDY OF THE GRANITE-HOSTED MINERAL DEPOSITS OF THE NEW ROSS AREA, SOUTH MOUNTAIN BATHOLITH, NOVA SCOTIA, CANADA: EVIDENCE FOR MULTIPLE RESERVOIRS. The Canadian Mineralogist, 42 (5) 1425-1441 doi:10.2113/gscanmin.42.5.1425 | Journal (article/letter/editorial) | | SMB into early Stage-1 plutons (granodiorite, biotite monzogranite), and more evolved Stage-2 plutons...tschermakitic substitution and solid-solution toward biotite). Twenty-six samples of white mica were analyzed...sample (quartz, chlorite, albite, white mica, and biotite) and H2O, we obtained the ␦18O for each mineral...Javoy (1973) for quartz – albite – muscovite – biotite – H2O fractionation, and of Savin & Lee (1988)... and Mineralization of the New Ross Area, Lunenburg County, Nova Scotia. M.Sc. thesis, Dalhousie Univ |  | | Report (Issue volume) | | consist of schists, phyllites, quartzites and quartz-biotite rocks. The deposit was discovered in 1868 and was...of the southwestern peninsula of West· morland County. The peninsula juts out into Chignecto Bay and...12. Yarmouth 2. Orwell Point 13. Shelburne 14. Lunenburg 15. New Ross 16. Musquodoboit-Moose River 17....Crystals of garnet, about t inch across, occur in biotite-hornblende schist in an overgrown pit located behind...laminated quartz, and muscovite. The pegmatite cuts biotite granite. Reference: Mulligan, R.: GSC, Paper 60-21 |  | | Report (issue) | | Assistant Geologist. Professor of Geology, Massachusetts Agricultural College. E. J. Fovus, Field Assistant... ALTITUDES IN VERMONT, /GEOLOGY OF GRAND ISLE COUNTY, THE OLDEST CORAL REEF, P. E. TERRANES OF BETHEL...some further account of the Geology of Grand Isle County. Following this is an inter esting study of an...in preceding Reports by Dr. C. F. Gordon of Massachusetts Agricultural College, on the Geology of Western...Vermont and partly in New York, three, mostly in Massachusetts, but taking in a small strip of southern Vermont |  | | Journal (issue) | | near the f a l l s of the Jams River in Amherst County as well as several placer mines were opened in...operated a t the Grasty mine t r a c t i n Orange County from 1831-1834. This area has been operated intermittently...Valzinco zinc, lead and copper mine in Spotsylvania County in 1947. Besides the placer prospecting a t the...the old dump a t the Franklin mine i n Fauquier County i n the 1960's. Select assays on material £ran...mine tract, Orange County. quartz vein along Polebridge Creek in Patrick County w a s a l s o prospected |  | Leal, P. R., Correa, M. J., Ametrano, S. J., Etcheverry, R. O., de Brodtkorb, M. K. (2008) THE MANGANESE DEPOSITS OF THE PAMPEAN RANGES, ARGENTINA. The Canadian Mineralogist, 46 (5) 1215-1233 doi:10.3749/canmin.46.5.1215 | Journal (article/letter/editorial) | | recorded 0.10 to 3.4 ppm Mn in hot-spring waters in the USA responsible for the deposition of Mn oxides; these...(1992) described the New Ross district in Lunenburg County, Nova Scotia, Canada. In Argentina, Brackebusch...aphanitic. Quartz, plagioclase, hornblende and biotite occur as phenocrysts in a microgranitic groundmass...chemical composition. In granodioritic rocks, biotite is transformed into chlorite, epidote and prehnite...mineralization at the New Ross Mn deposits, Lunenburg County, Nova Scotia, Canada. Econ. Geol. 87, 1275-1300 |  | | Report (volume) | | Proceedings, vol. 13, pp. 1-46. Davenport, Iowa. Delaware County Institute of Science: Proceedings, vol. 7, no....Virginia Geological Survey: County Reports, Kanawha County; Preston County; Map of... coal, oil, etc....16. Ancient auriferous gravel channels of Sierra County, California: Am. Inst. Min. Eng., Bull., no. 91...deposits of the San Juan district, San Luis Obispo County, California: California Acad. Sci., Proc., 4th...35. Mammalian fossils from Devil's Gulch [Brown County, Nebr.]: Nebraska Univ. Studies, vol. 14, no. 2 |  | | Book | | GENERALIZED BEDROCK GEOLOGIC EASTERN MA5SACHUSSETS WORCESTER .W o] ~P- FM V/C/N/TY ^^o Red beds MAP...Department of Geology Boston University Boston, Massachusetts 02215 to; PREFACE In 1966, John Rodgers...Davis in the Connecticut Valley of western Massachusetts, and gradually extended itself. oo over New...Brown University The Foxboro Co., Foxborough, Massachusetts Geography, University of Toronto U. S. G, S...Boston State College Botany, University of Massachusetts, Amherst Marine Sciences, Virginia Institute |  | | 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...groundmassof plagioclase,orthoclase,quartz, and biotite, and a later muscovitegranite containingmore quartz...groundmass of orthoclase, plagioclase, quartz, biotite and muscovite. Aplite is associated with the earlier...PockwockLakes and Westfield,containsuchmineralsas biotite,muscovite,oligoclasefeldspar,hornblende,garnet |  | | Journal (article/letter/editorial) | | 6. Generalized tectonic relationships between Biotite granite of Magalloway Mountain. . . 1627 major...report is located in Coos County, northeasternmost New Hampshire, and Oxford County, northwestern Maine; it...Errol quadrangle; (6) Oquossoc quadrangle; (7) Lunenburg-Brunswick-Guildhall area; (8) St. Johnsbury area;...Ph.D. thesis, Harvard University, Cambridge, Massachusetts; 1961) on the SiluroDevonian rocks of the Moose...undergone lowgrade regional metamorphism (chlorite and biotite zones). In the pre-Taconic sequence, the rocks |  | | Journal (article/letter/editorial) | | regional metasedimentary samples from throughout the Lunenburg, Halifax, and Guysborough counties into four varieties:...(South Mountain Batholith) at approximately the biotite-in isograd (Hilchie & Jamieson 2014) and at the...of rocks affected by lower (chlorite) to upper (biotite) greenschist facies regional prograde metamorphism...together with rare chlorite, albite, muscovite, biotite, amphibole, tourmaline, garnet, epidote, rutile...In total, 26 samples of chlorite (n ¼ 20) and biotite (n ¼ 6) greenschist facies Halifax Group metasediments |  | HANNULA, , LACKEY, , MATTOX, , MCGRATH, , ONASCH, , WERTHEIM, (2002) Syn-tectonic pluton intrusion during contractional deformation: microstructural and metamorphic evidence from the aureole of the Acadian Victory Pluton, north-eastern Vermont, USA. Journal of Metamorphic Geology, 17 (3) 271-286 doi:10.1046/j.1525-1314.1999.00196.x | Journal (article/letter/editorial) | | the Acadian Victory Pluton, north-eastern Vermont, USA K . A . H A N N U L A , J. S . L A C KE Y , E . MAT...Department, Middlebury College, Middlebury, VT 05753, USA A B S T RA C T Structures within the aureole of...grade rocks, the matrix foliation, defined by biotite and fibrolitic sillimanite, wraps around garnet...aureoles of the plutons, metamorphism reached biotite or chlorite grade (Doll et al., 1961). Three phases...fine2 grained muscovite and, in a few places, biotite, is axial planar to rarely observed isoclinal folds |  | | Report (issue) | | one occurrence, on Rivii!re du Poste, Maskinonge county, Quebec, has been reported in Canada. Phenacite...feldspar , smoky quartz, muscovite , and subordinate biotite, and minor tourmaline, garnet, and pyrite. Some...quartz, muscovite, some tourmaline, and a little biotite. Spodumene -quartz-cleavelandite assemblages occur...cut a quartz-diorite body near its contact with biotite granite. The southerrunost dyke is at least 900...were found in. microcline -quartz-plagioclase -biotite pegmatite. At the Eagle Group (Lithium Corporation |  | | 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...Glauconite (Colcrainitc) Margarite Phlogopite Biotite Siderophyllite-annitc (Lcpidomelane) Lepidolite...(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) | | and Santos, 2001; Grainger et al., 2002, 2008). Biotite from barren hydrothermal alteration at depth gave...± 3 Ma reported by Grainger et al. (2008) for biotite from barren hydrothermal alteration at depth likely...mineralization at the New Ross Mn deposits, Lunenburg County, Nova Scotia, Canada: ECONOMIC GEOLOGY, v |
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Route 13 area, Lunenburg, Worcester County, Massachusetts, USA