 | | Journal (article/letter/editorial) | | Study of the Pegmatites of the Middletown Area, Connecticut D. G. BROOKI~S Department of Geology, Kansas...18, 1969 Abstract. The pegmatites of Eastern Connecticut have a mineralogy consistent with a magmatic...taken at variable distances from the Sbriekland Quarry pegmatite have remained essentially closed systems...t i t e s of t h e M i d d l e t o w n area, Connecticut h a v e been s t u d i e d b y n u m e r o u...bordered on the west by the Triassic rocks of the Connecticut Valley and to the east by pre-Triassic gneisses |  | | Book (edition) | | THE MINERAL LOCALITIES OF CONNECTICUT AND SOUTHEASTERN NEW YORK * «-âą r ** K* ysf^ :' âą'âS >- n...250 SPECIES iBooks by Ronald Everett Januzzi CONNECTICUT MINERALS ON PARADE NEW YORK STATE MINERALS ON...THE MINERALOGICAL PRESS 83 Elm Street Danbury. Connecticut IIOIPW MINERALS ON PARAt>E F.tMSTltIP* THREE...to enrich our knowledge of the mineralogy of Connecticut: James Dwight Dana Samuel L. Penfield Edward...Minerals from the Principal Localities in Western Connecticut and Southeastern New York State............. |  | | Report (volume) | | Pegmatites of the Middletown Area Connecticut GEOLOGICAL SU R V EY BULLETIN This report concerns work...GEOLOGY PEGMATITES OF THE MIDDLETOWN AREA, CONNECTICUT By FREDERICK STUGARD, JR. ABSTRACT The pegmatites...Middletown area in Connecticut have been mined almost continuously for feldspar and muscovite mica since about...essentially of perthite, quartz, plagioclase, and muscovite. The common accessories are tourmaline, beryl...characteristics are usually richer in perthite, albite, muscovite, or quartz. The grain size increases from the |  | | Journal (article/letter/editorial) | | the Dayton Road District SOUTH GLASTONBURY, CONNECTICUT JOHN H. BETTS 215 West 98 Street, Apt. 2F New...of the most promising forgotten locations in Connecticut is an area of old pegmatite quarries in South...article are the northernmost in the Middletown-Portland pegmatite district (fig. 1). They are in South...miles north-northeast of Portland, Connecticut, just north of the Portland-South Glastonbury town line...the Simpson quarry on the south, the Hollister quarry on the east, and the Howe No. 4 quarry on the north |  | | Journal (article/letter/editorial) | | district near Middletown, Connecticut 825 14. Strickland pegmatite 828 15. Bordonaro pegmatite 829 16. Pegmatite...groups were examined in Maine, New Hampshire, and Connecticut, principally during the summers of 1953 and 1954...1954. Of these, 17 in New Hampshire and 6 in Connecticut (Figs. 12, 13) were chosen as best exposed and...Roaring Brook, .5 mile east of South Glastonbury, Connecticut; a pegmatite in a road cut on U. S. Highway 6A...6A, .7 mile west of Cobalt, Connecticut; a small body on State Highway 10, 1.3 miles south of Gilsum |  | | Journal (article/letter/editorial) | | FROM PEGMATITES OF THE MIDDLETOWN DISTRICT, CONNECTICUT EucBNnN. CauonoN,Rononr B. Rown, er.rl paur L...studied are mostly in a narrow strip east of the Connecticut River and parallel to it, in the vicinity of...the Eastern Highland of Connecticut. The Triassic rocks of the Central Connecticut Lowland rest on an erosion...Frc. 1. Index map of the Middletown district, Connecticut, showing locations of pegmatites studied. but...and pods of qrartz rimmed by coarsefeldspar and muscovite are the only indications oI zonal structure. The |  | | Journal (article/letter/editorial) | | AND OF CONNECTICUT. VINCENT E. SHAININ. âą ABSTRACT. In 1942 4âą., about 120 Connecticut pegmatites...investigatedmany beryl-bearingpegmatites.In Connecticut, betweenOctober1942and January 1944,about 120...a partial appraisalof the beryl resources of Connecticut. The investigations were carriedon by Cameron...studieddomesticpegmatitesduring the war.2 PEGiVfATITES IN CONNECTICUT. Most pegmat{res{n Connecticutthat have been...the igneous and metamorphicrocks east of the Connecticut River,andlie withina district14 mileslongand9 |  | | Report (issue) | | ___ _ Geology of the pegmatite districts of Connecticut ___ _ Geology of the Middletown district ___________...characteristics of mica _________________ _ Properties of muscovite _____________________ _ Structural imperfections...Androscoggin County ______________________ _ Berry feldspar quarry __________________ _ Cumberland County ___...LaChance mines _______________________ _ Oxford County ____________________________ _ Barrett beryl prospect...prospect __________________ _ Bennett feldspar quarry ________________ _ Black Mountain area ___________________ |  | Belkabir, A., Gibson, H.L., Marcoux, E., Lentz, D., Rziki, S. (2008) Geology and wall rock alteration at the Hercynian Draa Sfar ZnâPbâCu massive sulphide deposit, Morocco. Ore Geology Reviews, 33 (3) 280-306 doi:10.1016/j.oregeorev.2007.03.001 | Journal (article/letter/editorial) | | S1 foliation, and have a low-grade, chloriteâmuscoviteâquartzâalbiteâ oligoclase metamorphic assemblage...the replacement of feldspar and a decrease in muscovite abundance related to a net addition of Fe and...sericite relative to chlorite. A calciteâquartzâmuscovite assemblage and a pronounced decrease in chlorite...top of an interpreted basin-fill succession (Bordonaro, 1983). Beauchamp et al. (1991) interpreted the...characterized by three types of magmatic activity (Bordonaro, 1983; Aarab and Beauchamp, 1987; Bernard 283 |  | | Journal (issue) | | mineral localities: the G illette quarry, Haddam Neck, Connecticut ....................................Tuolumne County; 3.18 cm (36) Tuolumne County; 2.54 cm, 1.9 cm (39) Seaton mine, Amador County; 12.07 cm...Dorado County; 1.5 cm (55) Grit mine, El Dorado County; 8.26 cm (60) Grit mine, El Dorado County; 4.76...Dorado County; 4.29 cm (62) Grit mine, El Dorado County; 2.22 cm (63) Grit mine, El Dorado County; 2.54... Figure 3. Gold from the Grit mine, El Dorado County, California: shown on the facing page as no. 60 |  | Moreno, C., SĂĄez, R., GonzĂĄlez, F., AlmodĂłvar, G., Toscano, M., Playford, G., Alansari, A., Rziki, S., Bajddi, A. (2008) Age and depositional environment of the Draa Sfar massive sulfide deposit, Morocco. Mineralium Deposita, 43 (8) 891-911 doi:10.1007/s00126-008-0199-x | Journal (article/letter/editorial) | | is reported to be Mississippian (Huvelin 1977; Bordonaro 1983). Previous studies of massive sulfide deposits...perpendicularly to the maximum EâW dimension (Huvelin 1977; Bordonaro et al. 1979). The location of these units presumably...Eastern and Central zones in the Jebilet Massif. Bordonaro et al. (1979) suggested a lateral facies change...second, well-spaced schistosity (Huvelin 1977; Bordonaro 1983; Mayol 1987). The effects of deformation...correlation with the Kharrouba Flysch. Subsequently, Bordonaro (1983) revised the stratigraphy, using the name |  | SĂĄez, Reinaldo, Moreno, Carmen, GonzĂĄlez, Felipe, AlmodĂłvar, Gabriel R. (2011) Black shales and massive sulfide deposits: causal or casual relationships? Insights from Rammelsberg, Tharsis, and Draa Sfar. Mineralium Deposita, 46 (5) 585-614 doi:10.1007/s00126-010-0311-x | Journal (article/letter/editorial) | | the SchiefermĂŒhle quarry, a black shale quarry contiguous to the mine. This quarry, used for backfilling...Buchholz and Luppold (2008) from the SchiefermĂŒhle quarry. Geohistorical analysis of the stratigraphic record...available stratigraphical data (Strauss 1970; Bordonaro et al. 1979; Sperling 1986; Bernard et al. 1988;...to the mineralized horizon at the SchiefermĂŒhle quarry constrained the age of the ore host sequence to...numerous and abrupt facies and thickness variations (Bordonaro et al. 1979). The massive sulfide deposits occur |  | El Arbaoui, Amel, Bouabdellah, Mohammed, Wafik, Amina, KlĂŒgel, Andreas, JĂ©brak, Michel, Castorina, Francesca, Lowry, Dave, Lecumberri-Sanchez, Pilar, Essaifi, Abderrahim, Maacha, Lhou (2019) The Roc Blanc orogenic Pb-Zn-Ag-Au deposit (Morocco): a product of metamorphic dehydration and CO2 devolatilization during exhumation of the Variscan Jebilet massif. Mineralium Deposita, 54 (3) 437-458 doi:10.1007/s00126-018-0818-0 | Journal (article/letter/editorial) | | assigned to the Sarhlef Series (Huvelin 1977; Bordonaro 1983; Playford et al. 2008; Moreno et al. 2008)...pyroclastic and volcanic rocks (Huvelin 1977; Bordonaro et al. 1979). Igneous activity started at ca...mappable HT-LP metamorphic aureole (Huvelin 1977; Bordonaro 1983; El Hassani and Zahraoui 1982; Essaifi et...comprise variable proportions of white sericite-muscovite (Fig. 6e), chlorite (Fig. 6e), quartz, hydrothermal...which are embedded in a gangue quartz, chlorite, muscovite, and tourmaline. EPMA analyses of the pyrrhotite |  | | Journal (article/letter/editorial) | | Meseta domain remain controversial. For example, Bordonaro et al. (1979) assigned Tournaisien to Middle Visean...ages for these Ma 300 310 320 Stephanian Bordonaro et al. (1979) Huvelin (1977) Westphalian Namurian...are dominantly chlorite, along with biotite, muscovite, and illite. The paragenetic relationship between...although parts of biotite are replaced by chlorite. Muscovite and illite coexist with or sometimes replaces...mainly by chlorite and muscovite, with rare biotite. The amount of muscovite and illite decreases as |  | | Journal (article/letter/editorial) | | de cristallinit6 des illites de cette s6rie (Bordonaro 1983) se r6partissent darts les domaines anchi...magmatisme des Jebilet centrales est bimodal (Bordonaro 1983). On note, en effet: a) Une activit6 magmatique...l'6tude des enclaves basiques dans les granophyres (Bordonaro 1983), conduisent /t penser que deux magmas immiscibles...p. Berlin-Heidelberg-New York: Springer 1982 Bordonaro, M.: Tectonique et p6trographie du district ~t...(1941) Velde, B.: Experimental determination of muscovite polymorph stabilities. Am. Mineralogist 50:436-449 |  | | Report (chapter) | | (southwestern Sierras Pampeanas) some gneisses showed muscovite 4~ 1200800Ma ages (Gardini et al. 1996). In synthesis...indicate high-pressure melting of old primi- Bordonaro 1982), was assigned to the Taconian tive material...belt, are equivalent to the Grenville basement in USA, that were detached from eastern NAM coeval with...Northern Chile. Geology, 21, 909-912. BALDIS, B. & BORDONARO, O. 1982. Comparaci6n entre el Cambrico de la...Buenos Aires, Actas, 1, 97-108. , BERESI, M., BORDONARO, 0. & VACA, A. 1984, The Argentine Precordillera |  | Essaifi, A., Capdevila, R., Fourcade, S., Lagarde, J. L., Ballevre, M., Marignac, CH. (2004) Hydrothermal alteration, fluid flow and volume change in shear zones: the layered mafic-ultramafic Kettara intrusion (Jebilet Massif, Variscan belt, Morocco) Journal of Metamorphic Geology, 22 (1) 25-43 doi:10.1111/j.1525-1314.2004.00495.x | Journal (article/letter/editorial) | | chlorite-rich ultramylonites. In the shear zone walls, muscovite crystallized at the expense of CaâAl silicates...characterized by a widespread bimodal magmatism (Bordonaro, 1983), represented by numerous felsic, maïŹc or...microcrystalline aggregates of chlorite, ïŹne-grained muscovite (sericite), prehnite and epidote. 2004 Blackwell...025), epidote (Ps < 4%) and weakly phengitic muscovite. The development of these alteration products...percentage of secondary minerals (amphibole, chlorite, muscovite, prehnite, epidote, anatase) that replace the |  | | Journal (article/letter/editorial) | | Appalachian State University, Boone, North Carolina 28608, USA â©hagemansj@appstate.eduâȘ 1 2 Abstract.âThe Ediacaran...the Murray Shale on Chilhowee Mountain, Blount County, eastern Tennessee (Figs. 1, 2; Walcott, 1890,...indicates location of Chilhowee Mountain, Blount County, Tennessee, where the fossils discussed herein...noncalcareous shale with scattered quartz grains and muscovite ïŹakes up to about 1 mm across and occasional biotite...middle unit which is principally a dark-gray muscovite-bearing ïŹne siltstone and which, when weathered |  | | Book | | States for each, further in of âspirit a Connecticut, patriotism.â the gem considered October,...and weighs 235.5 carats, morganite rough Diego County, California, weigh Lea Collection), and from...Properties be the largest a was story Angeles County and photographs prepared from a 6,021- International...sometimes Chemical In the accompanied by muscovite mica. beryllium minerals which that of analysis...ir- fine-grained aggregate of mostly yellowish muscovite and considerable bertrandite with had formed |  | Essaifi, Abderrahim, Goodenough, Kathryn, Tornos, Fernando, Outigua, Abdelhak, Ouadjou, Abdelmalek, Maacha, Lhou (2019) The Moroccan Massive Sulphide Deposits: Evidence for a Polyphase Mineralization. Minerals, 9 (3) 156 doi:10.3390/min9030156 | Journal (article/letter/editorial) | | deposits representing the sandstones [44,49]. Bordonaro et al. [50] revised the stratigraphy of Central... and Ca-Al silicates (epidote, prehnite, and muscovite) in undeformed zones, while focused fluid flow...isotopes have been measured in quartz, amphibole, muscovite, In Koudiat Aicha, the O and H isotopes have been...been measured in quartz, amphibole, muscovite, chlorite, albite, and whole rocks in metapelites, gabbros...Investigations Report 2010-5070-C; USGS: Reston, VA, USA, 2012. Lydon, J.W. Ore deposit models #14, volcanogenic |  | | Journal (article/letter/editorial) | | Environmental Sciences Faculty, Washington State University, USA a r t i c l e i n f o Article history: Received...later metamorphosed by the Famatinian Orogeny (Bordonaro et al., 1996). Carboniferous platform deposits...phyllic alteration with an assemblage of quartzâmuscoviteâpyriteâ(rutile) and pyriteâ(quartz) veins (Figs...Chile/Argentina Miner. Deposita 38, 844â862. Bordonaro, O., Keller, M., Lehnert, O., 1996. El OrdovĂcico...70 (3), 394â401. SepĂșlveda, E., BermĂșdez, a., Bordonaro, O. and Delpino, D., Hoja GeolĂłgica 3569IV, Embalse |  | Abre, P., Cingolani, C., Zimmermann, U., Cairncross, B., Chemale, F. (2011) Provenance of Ordovician clastic sequences of the San Rafael Block (Central Argentina), with emphasis on the PonĂłn TrehuĂ© Formation. Gondwana Research, 19 (1) 275-290 doi:10.1016/j.gr.2010.05.013 | Journal (article/letter/editorial) | | common in the upper part of the younger member (Bordonaro et al., 1996). The limestone blocks bearing invertebrate...1979) and as Lindero Formation (NĂșñez, 1979). Bordonaro et al. (1996) deïŹned the PonĂłn TrehuĂ© Formation...cement is present as well as very scarce detrital muscovite lamellae. Zircon, apatite, chromian spinel, tourmaline...Cordillera. Journal of Geology 104, 259â277. 289 Bordonaro, O., Keller, M., Lehnert, O., 1996. El OrdovĂcico |  | | Report (chapter) | | (Rapela et al. 1991). In composition, biotite + muscovite monzogranites predominate over granodiorites and...volume). K - A r ages in the range 435-447 Ma for muscovite from a pegmatite swarm associated with $3 and...dated at 447 âą 7,442 4- 7 and 435 4- 7 (K-Ar on muscovite, Carap~ shear zone, La CumbreAscochinga area,...4467 LCA- 147 Muscovite 8.77 167.2952 CUN-114 Muscovite 8.50 165.4492 CUN-111 Muscovite 8.50 13.14 12...below), the local tonalitic migmatites contain muscovite in their assemblage: C r d + B t + M s + S i l |  | Gomez, MarĂa Laura, Aranibar, Julieta, Wuilloud, Rodolfo, Rubio, Cecilia, MartĂnez, Daniel, Soria, DarĂo, Monasterio, Romina, Villagra, Pablo, GoirĂĄn, Silvana (2014) Hydrogeology and hidrogeochemical modeling in phreatic aquifer of NE Mendoza, Argentina. Journal of Iberian Geology, 40 (3). doi:10.5209/rev_jige.2014.v40.n3.43302 | Journal (article/letter/editorial) | | Analytical Laboratory), University of Rochester, USA. The values are referred to V-SMOW (Vienna Standard...the east and the San Juan river to the north (Bordonaro, 2012). This is supported by movements of the...5%), volcanic ash, apatite, opaque minerals and muscovite. In loupe analyses, all samples reacted with hydrochloric...Their Analysis. Heyden and Sons, London. pp. 293. Bordonaro, O. (2012): Mundos extinguidos de Mendoza. 1ra |  | Pagano, Diego SebastiĂĄn, Galliski, Miguel Ăngel, MĂĄrquez-ZavalĂa, MarĂa Florencia, NovĂĄk, Milan, Ć koda, Radek (2016) Petrography, Mineralogy, and Origin of the Syenite Pegmatitic Segregation Veins From La Peña Alkaline Complex, Mendoza, Argentina. The Canadian Mineralogist, 54 (4) 803-825 doi:10.3749/canmin.1600015 | Journal (article/letter/editorial) | | and secondary zeolite-group minerals, calcite, muscovite, pyrite, marcasite, and possibly cancrinite replace...silicic magmas. Masterâs Thesis, Portland State University, Portland, Oregon, United States. CAROFF, M...pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic and sodic agpaitic...9(9), 1229â1236. CUERDA, A., CINGOLANI, C., & BORDONARO, O. (1993) Las secuencias sedimentarias eopaleozoicas |
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Bordonaro Quarry, Portland, Middlesex County, Connecticut, USA