 | | Journal (article/letter/editorial) | | New Hampshire Mineral Locality Index Downloaded by [University of Newcastle, Australia] at 15:01 05...entrance and arch of the Palermo mine, North Groton, Grafton County. Rob Lawrence photo, courtesy Bob...Bob Whitmore. 242 ROCKS & MINERALS lthough New Hampshire, the Granite State, is one of our smaller states...reading Jackson (1844) on the mineralogy of New Hampshire that even at this early date there was already...activity produced new localities, renewed some old localities, and resulted in new minerals being discovered |  | | Journal (article/letter/editorial) | | Minerals of North Groton, New Hampshire The historical background of the famous North Groton mines is as fascinating...Candia Road Chester, New Hampshire 03036 R O B E R T W. WHITMORE Weare, New Hampshire 03281 N O R T H G...from local residents and collectors. History North Groton is unknown to many people outside the mineral fraternity... a large percentage of the popula tion of New Hampshire would not recognize the name, let alone be able...Forest. 350 ROCKS & MINERALS In the early 1800s, Groton was a thriving farming com munity with a population |  | | Report (issue) | | Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL..._______ _ Geology of the pegmatite districts of New Hampshire_ Rock units ________________________________...pegmatites ___________________ _ Pegmatites of the Grafton and Keene districts __ _ Sources of pegmatites...quality __ AnalyHis of the wartime mica industry of New England ________________________________________...Androscoggin County ______________________ _ Berry feldspar quarry __________________ _ Cumberland County ___ |  | | Journal (article/letter/editorial) | | Springer-Verlag 1979 Kyanite-Bearing Rocks From the Hackett River Area, N.W.T.: Implications for Archean Geothermal...The increase in metamorphic grade toward the Hackett River gneiss dome indicates that the structural...staurolite-cordierite, sillimanite. To the southwest the sequence is andalusitestaurolite-cordierite, sillimanite. In quartzofeldspathic...dome than the sillimanite isograd, kyanite occurs as corroded relics, cross-cut by sillimanite and rimmed...Archean terrains. Metamorphic zonation around the Hackett River gneiss dome provides the basis for the interpretation |  | | Journal (article/letter/editorial) | | Yellowknife type dominated by tholeiitic basalts and Hackett River type dominated by felsic-intermediate calc-alkaline...(modified from Sawkins, 1990). tion trends, and (ii) Hackett River type, dominated by intermediate to felsic...River volcanic complex; 4 = Hackett River Volcanic Belt; 5 = sillimanite grade turbidites with auriferous...at Lupin Mine. I: Acasta River, old rocks. J: Indin Lake, letter is just west of Colomac Mine. 4 volcanics...4- PTARMIGAN MINE THOMPSON LUNDMARK MINE RUTH CAMERON RIVER VOLCANIC BELT CAMLAREN MINE KNIGHT BAY DEPOSIT |  | | Journal (article/letter/editorial) | | Distribution and Controls on Silver Mineralization in the Hackett River Main Zone, Nunavut, Canada: An Ag- and Pb-enriched...Ontario K1A 0E8, Canada Abstract The 2.67 Ga Hackett River volcanogenic massive sulfide (VMS) deposits...Formation of the felsic to intermediate calc-alkaline Hackett River Group metavolcanic rocks that are part of...economically significant of the Hackett River deposits is the Hackett River Main zone (Main zone), which...the Abitibi region (Ontario and Quebec), Bathurst (New Brunswick), the Northern Cordillera of British Columbia |  | | Journal (article/letter/editorial) | | supracrustalrocksmetamorphosed to the upper amphibolitefacies.The mine sequenceat the north gold zone consistsof nodular...ratiosincreasesymmetricallyaway from the ore zone. The mine sequenceis interpreted asa metamorphosed exhala...body of gold-silvermineralizationnorth of the old mine workings(McAdamandFlanagan,1976) andbegan mining...•[ Montauban Deposits O Showing ß Nodular Sillimanite Exhalative Horizon 0 2 FIC. 1. Geologyof the...whose axial trace passeseastof the metabasaltridge. Mine Geology lenses of massive sulfides, disseminated |  | | Journal (article/letter/editorial) | | spatially associated with Mg-rich alteration zones, shed new light on the use of zincian spinel composition as...spinel from 22 locations in Colorado, by providing new petrological information and compositions of zincian...(1984) noted that the Zn:Fe ratio of gahnite in sillimanite-bearing gneisses increases with proximity to...considered small, with the largest being the Sedalia mine, which contained about 1.2 million tonnes of ore...metamorphosed to the upper amphibolite facies (sillimanite zone), although those in the Wet Mountains (Amethyst |  | | Book (volume) | | Descriptive Mineralogy Vandall T. King Rochester, New York 14609 , Eugene E. Foord U S. Geological Survey...Philip Hauck Richard P. Hauck was born in Bloomfield, New Jersey on June 30, 1935. He has been actively involved...deep concern for the fate of the Sterling mine in Ogdensburg, New Jersey, and his intense interest in mining...mining history led him to purchase the mine in order to form a living museum so that it would remain accessible...mineralogical community. Through his efforts, the Sterling mine has been declared a national historic landmark. |  | | Report (volume) | | of CUSMAP is the development and application of new concepts for the identification of mineral resource...possibly mineralized areas. CUSMAP is providing new information on present and potential mineral supplies...(Kiilsgaard and others, 1986). His work has provided new insight into this important class of mineral deposits...Johnson Wayne Hall Gary Winkler Falma Moye Bill Hackett Cole Smith Anna Wilson Jim Erdman Dean Kleinkopf...Society of America, Sun Valley, Idaho (Link and Hackett, 1988), and on December 7, 1989, at the Northwest |  | | Journal (article/letter/editorial) | | Volcano and Related Vents, Taupo Volcanic Zone, New Zealand by I. J. GRAHAM* AND W. R. HACKETTf (Received...and those of related vents (Taupo Volcanic Zone, New Zealand) are calc-alkaline, medium-K basic and acid...continental crustal environment of North Island, New Zealand and represents oblique subduction of the...Institute of Nuclear Sciences, Private Bag, Lower Hutt, New Zealand. t Geology Dept., Idaho State University...Private Bag, Wellington, New Zealand 532 I. J. GRAHAM AND W. R. HACKETT »v* alkali and light-REE |  | | Report (issue) | | .. .. .. .. .. .. .. .. .. . .. ...William R. Hackett and Paul Karl Link, Department of Geology, Idaho...miles southwest ofArco, Idaho. Photograpl by W. R. Hackett. Guidebook to the Geology of Central and Southern...Idaho Edited by Paul Karl Link and William R. Hackett Idaho Geological Survey University of Idaho Moscow...Central Idaho Falma J. Moye, William 87 R. Hackett, John D. Blakley, and Larry G. Snider A Transect...of Gold Mining on the Yankee Fork River, Custer County 223 George C. Stephens Part D. Surface Faulting |  | | Journal (article/letter/editorial) | | Meta-igneous granulite xenoliths from Mount Ruapehu, New Zealand: fragments of altered oceanic crust ? Ian...Sciences, Lower Hutt, New Zealand 2 New Zealand Geological Survey, Lower Hutt, New Zealand 3 Research School...in lavas from Mount Ruapehu, Taupo Volcanic Zone, New Zealand, have variable but relatively high 5~80 (+8...Arc into the continental crustal environment of New Zealand (Fig. 1). Westwards dipping, oblique subduction...centres (Cole 1979). A continuing puzzle confronting New Zealand volcanology is the origin of the voluminous |  | | Journal (article/letter/editorial) | | I, Iowa State University, Ames, Iowa 50011-3212, USA b School of Earth and Environmental Sciences, University...2.1. Regional geological setting The Broken Hill mine occurs in the south-eastern part of the Curnamona...region, geological mapping at 1:12,500 scale by the New South Wales Geological Survey has compiled a ∼ 7... Ms = muscovite, Opx = Orthopyroxene, Sil = sillimanite. Plimer (1993) argued that deposition of the...deposit. Abbreviations: N.B.H.C = New Broken Hill Consolidated mine (currently part of Southern Operations |  | | Report (chapter) | | has been modified from Thompson (1978) to include new data from the eastern Slave Province and westernmost...not known. Kyanite relicts are preserved in sillimanite schist and gneiss and migmatite in the eastern...possible, however, to extrapolate the biotite and sillimanite isograds outside the areas where relatively detailed...grade part of the upper amphibolite-facies (sillimanite migmatite) zone. Except for two localities just...surrounded by cordierite or andalusite. Aggregates of sillimanite define a foliation that has wrapped around porphyroblasts |  | | Report (chapter) | | University of Maryland, College Park, AID 20742, USA Abstract: A corollary of plate tectonics is that...belts of Japan, and the Chugach belt of Alaska, USA. The complex tectonic evolution of Palaeozoic orogenic...as the Appalachian orogen of eastern Canada and USA, implies that ridge-trench interactions were involved...events recorded in the Appalachian orogen of eastern USA and Canada reflects an evolution that involved multiple...reference to the Ryoke and Abukuma belts, and a new plate tectonic model for their evolution is presented |  | | Journal (article/letter/editorial) | | configuration. During the past decade, accumulation of new evidence on the structure, lithology and chronology...Cameron and Shainin (1947) Thurston (1955) Harding, New Mexico Hugo, South Dakota Mongolian A1tai #3 Etta...Blockley (1980) Brown Derby, Colorado Pidlite, New Mexico Himalaya d i s t r i c t , California Khukh-Del-Ula...relative proximity to thermal highs marked by sillimanite occurences or local areas of low-pressure granulite...(Yellowknife type) but metafelsic in the north and east (Hackett River type). The largely overlying sediments comprise |  | | Journal (issue) | | Morganite Discovery froin Mt. Antero in Chaffee County, Colorado William Henry Hutchinson University of...Mount White in the Collegiate Range in Chaffee County, Colorado (Jacobson 1993). Over this period of...July 2006, Jeffery Self discovered a new beryl crystal on his mine, the Blue Eagle Claim, on Mount Antero...resources of the Franklin and Sterling Hill deposits in New Jersey. Arguably the most prolific single locality...work closely with the Museum to continue to shed new light on the complex mineralogy of the area. Both |  | | Journal (article/letter/editorial) | | cordierite P k = plagioclase Qtz = quartz Sil = sillimanite TIC = talc INTRODUCTION Despite the relatively...characterized by prograde assemblages of the andalusite-sillimanite facies series. The peak metamorphic event is...common, the aluminosilicates being andalusite and sillimanite. Such transitions may occur over several tens...centimetres thick, are interlayered with andalusite-sillimanite schists. Thus, the field evidence strongly suggests...(light-coloured beds: cordierite-andalusite-sillimanite-biotitequartz; dark-coloured beds; cordierit |  | | Book | | UC-NRLF NEW ZEALAND of department Geological Survey Branch (P. G. Morgan, Director). LIST...LIST OF THE MINERALS OF NEW ZEALAND, BY P. O. Issued MORGAN AND under the authority of the Hou, J... X.Z. JOHN MACKAY, GOVERNMENT PRINTER 1913. NEW ZEALAND-!, n Department jfe 5j Geological Survey... Morgan, Director). LIST OF THE MINERALS OF NEW ZEALAND, P. Issued O. MORGAN AND under the authority...Minerals . . ... LIST OF THE MINERALS OF NEW ZEALAND INTKODUCTION. FOR many years there has |  | | Journal (issue) | | Photo: 5.1.Pekov. The Baringer Hill Pegmatite Llano County, Texas Art Smith artsmithite@msn.com Introduction...on the Baringer Hill pegmatite does not contain new or addition historical or mineralogical data but...Periodicals Postage (USPS 751-150) paid at Peekskill, New York and additional locations. Postmaster: Send address...the specimens is meager usually giving just Llano County or 5 miles south of Bluffton. However, when reading...were few other pegmatites recognized in the Llano County area so Baringer Hill can be accepted as their |  | | Report (issue) | | Te The Bathurst Norsemines Sulphide Deposits, Hackett River, N.W.T. 127 Geology of the Agnico-Eagle...Genesis of the Balmat Zinc Deposits, Anderson PC. Mine, Lake Snow Manitoba Lake, 0-25 ly Walford...§-cnns seme ses sere oscarere Northwest Adirondacks, New York W,#. deLorraine and DB S71 19: Geology of...II until 1950, from my recollection, almost any new mineral discovery of significance in Canada would...for Richard Innis, Manager of McIntyre Porcupine Mine in Schumacher, Ontario. There was less specialization |  | | Journal (article/letter/editorial) | | of these models suggests that andalusite and sillimanite are the stable aluminosilicate polymorphs in...batholith, either andalusite is replaced by sillimanite or sillimanite is the only aluminosilicate phase present...S assemblages of 1 quartz+muscovite+kyanite±sillimanite in metapelites and quartz+plagioclase+hornblende±garnet...variation along granite–greenstone contact. sillimanite overprints kyanite in metapelite and requires...decompression is expected (path 1, Fig. 5b). Sillimanite is the inferred stable aluminosilicate and the |  | | Report (issue) | | Nearly all the Geological Survey's activities yield new data and principles of value in the development or...silver-lead district, Utah_ _____ Central mining district, New Mexico._-___ Lead, zinc, and related ores of the...Beryllium in the Mount Wheeler area, White Pine County, Nevada-__________ Beryllium in the Lake George..._ _________________________________ New England and eastern New York_____________ Regional geologic mapping...__-_____-____-_____-----_Geochemical studies in New Hampshire_______ Aquifers composed of glacial deposits |  | | Journal (article/letter/editorial) | | 10s Angeles, USA ’Earth Science Board, University of California, Santa Cruz, CA 95064, USA CA 90089-0740...staurolite and rare, late syn-kinematic, fibrous sillimanite that appears to have formed after the main mineral...porphyroblasts of garnet, andalusite, cordierite, sillimanite and rare staurolite occur around the Early Cretaceous...these plutons. Extensive recrystallization and a new margin-parallel schistosity occur in the aureole...cordierite porphyroblasts have been dissected by new M domains (Fig. lo), and some andalusite porphyroblasts |
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