 | | Report (issue) | | READING PRONG OF BERKS, LEHIGH, AND NORTHAMPTON COUNTIES, PENNSYLVANIA Robert C. Smith, II John H. Barnes...Barnes COMMONWEALTH OF PENNSYLVANIA Tom Corbett, Governor DEPARTMENT OF CONSERVATION AND NATURAL RESOURCES...READING PRONG OF BERKS, LEHIGH, AND NORTHAMPTON COUNTIES, PENNSYLVANIA by Robert C. Smith, II, and John...Barnes Bureau of Topographic and Geologic Survey PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES HARRISBURG ...Prong of Berks, Lehigh, and Northampton Counties, Pennsylvania: Pennsylvania Geological Survey, 4th ser |  | | Journal (article/letter/editorial) | | at 23:49 05 October 2014 Daybreak Mine, Spokane County, Washington T he naming of minerals that contain...autunite aggregates from the Daybreak mine, Spokane County, Washington; John Lucking specimen, Jeff Scovil...autunite crystals on matrix from the Apex mine, Lander County, Nevada; Scott Kleine specimen, Jeff Scovil photo...is particularly well known as an accessory in complex pegmatites that have been prospected for mica,...These include the Oak Hill prospect at Lovell and several other Oxford County sites, including the well190 |  | | Report (volume) | | THE DELAWARE WATER GAP AND EASTON QUADRANGLES, NEW JERSEY AND PENNSYLVANIA BY W. S. BAYLEY UNITED STATES...area._________________________________________ Chestnut Hill area_-----_------_-_---______-._-_____Structure...mines-----__----_-_------___--__-_-__.___________ Williams shaft.___-____-.---_-_-__-_-______-__________... bank of Delaware River about 2 miles north of Easton, Pa.; B, Photomicrograph of quartzsericite schist...Tewkesbury County, N. J.; B, Photomicrograph of Byram gneiss, road half a mile north of Williams mine, Vernon |  | | Report (issue) | | LEAD OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL...ZINC AND LEAD OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES...1977 Copyright 1977 by the Commonwealth of Pennsylvania Quotations from this book may be published...published if credit is given to the Pennsylvania Geological Survey COVER ILLUSTRATION: Photograph of 1852 lithograph...STATE BOOK STORE, P. O. BOX 1365 HARRISBURG, PENNSYLVANIA 17125 PREFACE The purpose of this report is |  | | Report (issue) | | PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES BULLETIN M 15 BUILDING STONES OF PENNSYLVANIA By RALPH... COPYRIGHTED 1932 BY THE COMMONWEALTH OF PENNSYLVANIA ADDITIONAL COPIES OF THIS PUBLICATION BUREAU...Structure 3 •> 10 Strength 10 Geology of Pennsylvania Physiography Stratigraphy Appalachian Revolut...Adams County Allegheny County Armstrong County Beaver County 19 1" -<» -- 24 -7 Bedford County -'•'...-;"» SO Perks County ;>- Blair County Bradford County Pucks County Butler County 00 03 07 77 Cambria |  | | Journal (article/letter/editorial) | | pegmatite mine, Minas Gerais, Brazil, from the Nevel Quarry at Nervry, Maine, and from the tylte locality at...crystal aggregates, and granular crusts in vugs in muscovite. It is associateclu.ith faheyite, variscite, frondelite...locality at Greifenstein,Saxony and from the Nevel Quarry, Newry, \faine. The beryllium content of roscherite...edin the smallerinterst.ices betweenbooks of muscovite,as individual measurablecrystals, approximately... Euhedral qvartz crystals in the mineralized muscovite are indicative of a high concentration of roscherite |  | | Report (volume) | | ________________------_-_--_----_--_-__-..__----Pennsylvania. ________________________________________________...quadrangle..____________--_-___-_-_-_-______-_--Gold Hill quadrangle.__.__--__--_-_-__--_-_-___-_--______...__________________________________________________ Pennsylvania. ________________________________________________...__________.________-______-__---_--_____-_--______-_. Pennsylvania.________________________________________________...Dakota. Okla., Oklahoma. Oreg., Oregon. Pa., Pennsylvania. R. I., Rhode Island. S. C., South Carolina |  | | Journal (article/letter/editorial) | | mineralized pegmatitic phases of the Nigerian basement complex. including the so-called 'Older Tin-Ficlds'. have...order of significance, these are: fluorine-rich muscovite, Li-silicates, tourmaline, and beryl - the main...their tin-mining potential, the Jurassic ring complex province of Nigeria is unique among the widespread...Map of Nigeria 1: 2,000,000 (1974), the basement complex is divided into three lithological units, namely...namely, the undifferentiated migmatite complex of Proterozoic to Archaean origin, the metavolcanosedimentary |  | | Journal (article/letter/editorial) | | MolybdenumMineralizationand Associated Granites at Bald Hill and Correlation with Other MolybdenumOccurrences...ANDC. J. ADAMS Abstract In the Lyell Stream-Bald Hill area, Northwest Nelson, South Island, New Zealand...of the adjacent Karamea granite batholith at Bald Hill range from 103 to 120 m.y. (mid-Cretaceous) and...outgassingduring younger thermal events. (3) For the Bald Hill granites (informal name), biotite and muscoviteages...biotite granite, 102 to 109 m.y., and gneissic muscovite leucogranite, 105 to 110 m.y., are not significantly |  | JIANG, W.-T., PEACOR, D. R., ÁRKAI, P., TÓTH, M., KIM, J. W. (1997) TEM and XRD determination of crystallite size and lattice strain as a function of illite crystallinity in pelitic rocks. Journal of Metamorphic Geology, 15 (2) 267-281 doi:10.1111/j.1525-1314.1997.00016.x | Journal (article/letter/editorial) | | University of Michigan, Ann Arbor, Michigan 48109-1063, USA 3 Laboratory for Geochemical Research, Hungarian...has thick (c. 400 nm), defect-free crystals of muscovite occurring in stacks of parallel layers, or subhedral...sericite and muscovite by the Warren–Averbach method, showing that broadening of sericite and muscovite 00l reflections...only dioctahedral phyllosilicates are the illite/muscovite series (Na content <5% total interlayer charge)...formations of basin-floor turbidites, which formed in a complex foreland basin created in the early stages of the |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Department Natural History Museum of Los Angeles County 900 Exposition Boulevard Los Angeles, California...presented to the Natural History Museum of Los Angeles County by his children. A century ago Bisbee, Arizona...had become the largest clothing store in Cochise County. Ben made frequent trips back East to buy merchandise...interested in the Natural History Museum of Los Angeles County and for a time in the early 1970’s served as a |  | | Journal (article/letter/editorial) | | effects MICHAEL J. JERCINOVIC* AND MICHAEL L. WILLIAMS Department of Geosciences, University of Massachusetts...relevant to measurement of Y, Th, Pb, and U are complex, especially in REE-bearing minerals. Acquisition...potential for high-resolution JERCINOVIC AND WILLIAMS: ANALYTICAL PERILS IN EMPA GEOCHRONOLOGY and...geologic processes, particularly in deciphering complex tectonic histories involving multiple events. ...of single compositional domains. Williams et al. (1999) and Williams and Jercinovic (2002) advocate using |  | | Journal (article/letter/editorial) | | documented from a calcitic carbonatite at Ravalli County, Montana, where it occurs with aeschynite, ancylite...(CO3)2)-chalcopyrite-pyrite-sphalerite-pyrrhotite -Ba muscovite-biotite-ankerite (Feo.a75Mno.o41Mgo.a77Cao.989...magnesioriebeckite/magnesio-arfvedsonite and barian muscovite, to a country rock, garnet zone quartzofeldspathic...carbonatite hosts and X-rayed on a 114 mm diameter Debye-Sherrer powder camera. The resulting patterns show excellent...immiscibility. Acknowledgements I am grateful to Peter Hill and Cameron Begg at Edinburgh, and Yosuke Kawachi |  | | Journal (issue) | | pegmatite in the Stettin Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………....Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication for the origin of this unusual para...evolution of the Emmons rare-element pegmatite (Maine, USA)…………………………………………37 GUASTONI, A., GENTILE, P., NESTOLA...significance of melt inclusions in tourmaline of muscovite – rare-element pegmatites: a mineralogical and...characterization of an unknown metamict phase from Tuften quarry, Larvik area, S Norway………………………………………………………………………………………………………… |  | | Journal (article/letter/editorial) | | rocks Reactivated Dahomeyanand Suggarian Basement Complex rocks Platform sediments Metasodimentary Bits Molasse...whilst French geologists have established the complex nature of the Pan-African event in the Ahagger...Ultra-Mafics and Mafics Acid-Basic Pegmatite Complex AmphJbolites Volcanics 0 fek~spathic schist...greenschist facies during the D~ deformation. Muscovite-chlorite phyllites are common and biotite is found...folded metasedirnent and contact metamorphic muscovite and biotite have grown across and nearly destroyed |  | | Journal (issue) | | few exceptions: I Well foliated quartz-feldspar-muscovite-gneiss forms several hills in the terrain mapped...south-eastern part of Sheet 19, quartzites and quartz-muscovite-schists (q) range from prominent ridges to thin...half of Sheet 9, the rocks are mainly biotite muscovite-schists (s), often well banded and locally horn...(Ajibade and Bafor, 1970). Quartzites and quartz-muscovite-schists (q) in the west of Sheet 19 extend farther...displaying excellent lineations alternate with fissile muscovite-quart zites and schists in the valleys. Major |  | | Journal (article/letter/editorial) | | Prozessen entwickelten. Abstract The Basement complex of Nigeria is polycyclic and retains memories of...Nigerian Basement Complex to study in detail and isolate the different components of the complex. Only RAHAMANand...discussion on the evolution of the Precambrian Basement Complex ("Dahomeyan") in light of recent field and radiometric...Geological Setting WestAfriea The Nigerian Basement Complex lies to the east of the West African craton. The...(JtrNNER 1929; HAWKES,1972). It is a migmatitic complex consisting of synkinematic granodiorite gneisses |  | | Journal (article/letter/editorial) | | magmas. INTRODUCTION The crystalline basement complex of Nigeria (Fig. 1) lies between the Archean to...central Africa (Kennedy, 1965; Clifford, 1968). The complex has undergone deformation metamorphism and igneous...with biotite ages being generally younger than muscovite ages (Grant, 1971; Harper et al., 1973). These...described by Oyawoye (1962) are cut by numerous muscovite-bearing pegmatites. As these pegmatites appeared...final leucocratic intrusions in the area, coarse muscovite books (ca. 1 cm) were collected from two separate |  | | Journal (article/letter/editorial) | | African structures exist in parts of the basement complex. These structures, according to these authors,...African have been recorded in the Nigerian basement complex. These are the Liberian (2800 + 200 Ma), the Eburnean...1). The area belongs to the Nigerian basement complex and is situated in the Oban Massif of southeastern...proportions of phyllosilicates (biotite, chlorite and muscovite) which are the dominant minerals in the phyllites...giving rise to axial plane type of foliation (cf. Williams et al. 1977). In Abbiati, similar isoclinal folds |  | Chukanov, Nikita V., Aksenov, Sergey M., Jančev, Simeon, Pekov, Igor V., Göttlicher, Jörg, Polekhovsky, Yury S., Rusakov, Vyacheslav S., Nelyubina, Yuliya V., Van, Konstantin V. (2016) A new mineral species ferricoronadite, Pb[Mn4+6(Fe3+,Mn3+)2]O16: mineralogical characterization, crystal chemistry and physical properties. Physics and Chemistry of Minerals, 43 (7) 503-514 doi:10.1007/s00269-016-0811-z | Journal (article/letter/editorial) | | zone related to the “Mixed Series” metamorphic complex near the Nežilovo village, Pelagonian massif, Republic...Al, zincochromite, Zn-bearing talc, Zn-bearing muscovite, baryte, quartz and zircon. Ferricoronadite is...zone related to the “Mixed Series” metamorphic complex situated in the Pelagonian massif near the Nežilovo...River valley, in talus at the bottom of the Kalugeri Hill. It is the major component of hydrothermal veins...with cylindrical image plate detector using Debye-Sherrer 13 Phys Chem Minerals Fig. 7 Left Mn K-edge |  | Keith, S.B., Schnabel, Lorraine, DeWitt, Ed, Gest, D.E., Wilt, Jan (1983) Map, description and bibliography of the mineralized areas of the Basin and Range Province in Arizona. Open-File Report Vol. 1983 (84-86) US Geological Survey doi:10.3133/ofr8486 | Report (issue) | | name. However, the Big Bug District of Yavapai County, which includes both early Tertiary base and precious...and Mineral Technology Bulletin 198. Cochise County J 11,12 J 10 J 10 J 12 J 10.11 K 12 J 10,11...MD) Cottonwood Basin Golden Rule (Dragoon) Gold Hill (Warren, MD) Hartford (Huachuca. MD; sa Reef) ...1323.1378.1383,1388. system locally intruded by muscovite alaskite dikes. Late Cretaceous veins cutting...fissures of uncertain age. Deposits occur along a complex, low-angle fault zone. Middle Tertiary quartz |  | | Journal (article/letter/editorial) | | clastics and carbonate rocks. These belts show complex structural styles and are extensively invaded b...divided by Grant (1978) into an older structurally complex assemblage and a younger assemblage with simple...be related to the same subduction zone. A more complex collision model has been proposed for the western...phyllites in the west and higher grade biotite-muscovite schists in the east. They are overlain by the...The main rock type if a semi-pelitic biotite-muscovite schist, in places containing garnet and staurolite |  | | Journal (issue) | | Geology Stratigraphy 5 The gneissic complex 6 9 The migmatite complex Metasediments 10 Intrusive Rocks 12...intrusives 17 18 Metamorphism The crystalline complex 18 Metasediments 18 Metamorphic zones and facies...GGb OGp Metasediments (Katangan) Migmatite complex (Birrimian ?) Migmatite with subordinate gneiss...Gneissic Biotite granite gneiss, porphyroblastic complex in part, with subordinate migmatites } (Dah_o"...'basement'. They are divided into: a crystalline complex of migmatites and gneisses (Dahomeyan) which includes |  | | Report (volume) | | anonymous papers, placed at the end of Part I Co. county cos. · counties CORPORATE AUTHORS. Am G American...Geology and Mines Pa. G S Pennsylvania Geological Survey Pa. Gen As Pennsylvania, General Assembly Pa. Top...Top G S Com Pennsylvania Topographic and Geologic Survey Com-· mission R Ont Nickel Com Royal Ontario...continent, early history: Scope of paleontology: Williams (H S), 92 Hitchcock (C H), 83 Seismology, progress...93; Marcou, 96; Walcott, 07 Agate Spring fossil quarry, Nebr.: Peterson, 06b, 09 Age fiow and ebb of the |  | | Report (issue) | | -----------------Northwest-trending system of complex faults -------------Geometry of the faults ---...-------------------------------------------------Age of complex faults ---------------------------------------............................. Northwest-trending complex faults ..........................................comprises northwest-trending high-angle faults with a complex history of movement ranging in age from Precambrian...KILOMETERS (1971); l, Creasey (1967); m, Drewes and Williams (1973); n, Drewes (1971b); o, R. B. Raup (written |
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