 | | Journal (article/letter/editorial) | | INCLUSIONS IN BERYL AND QUARTZ FROM PEGMATITES OF THE MIDDLETOWN DISTRICT, CONNECTICUT EucBNnN. CauonoN,Rononr...study, during which fluid inclusions in beryl and quartz from various pegmatiies have been investigated...participaied in the 218 FLUID INCLUSIONS IN BERYL AND QUARTZ 219 project from September 1949 to June 1950...temperature data for liquid inclusions in beryl and quartz in specimensfurnished by Cameron from the Case...sections of quartz and one of beryl disappearedat temperatures ranging from 153" C. to 175 oC. Quartz from one |  | | Book (edition) | | THE MINERAL LOCALITIES OF CONNECTICUT AND SOUTHEASTERN NEW YORK * «-• r ** K* ysf^ :' •'’S >- 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............. |  | | 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 |  | | 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...pegmatites of the Middletown area in Connecticut have been mined almost continuously for feldspar and muscovite...Bolton schist includes middle- to high-rank mica-quartz schist of various compositions interbedded with...pegmatites are composed essentially of perthite, quartz, plagioclase, and muscovite. The common accessories |  | | Journal (article/letter/editorial) | | district near Middletown, Connecticut 825 14. Strickland pegmatite 828 15. Bordonaro pegmatite 829 16. Pegmatite...pegmatitic solutions were added while chiefly of quartz and alkali feldspar. This defithe fractional crystallization...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 |  | | 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) | | AND OF CONNECTICUT. VINCENT E. SHAININ. • ABSTRACT. In 1942 4•., 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 |  | | Journal (article/letter/editorial) | | and the coeval peritidal Los Hornos dolomites (Bordonaro 2003a-b) were deposited in an attached carbonate...Cambrian Los Túneles olistolith (Vaccari and Bordonaro, 1993) recorded inside the Los Sombreros Formation...Rivadavia, Juan Pobre and Las Torres (Fig. 3) (Bordonaro 1980; Gomez and Astini 2006; Gomez et al., 2007)...Cycles within the La Laja Fm PT (Baldis and Bordonaro, 1982), three of which range from the upper interval...Bolaspidella-Cedaria trilobite biozones (cf. Bordonaro, 2003a-b) which approximately represent a ~12 |  | | Report (issue) | | Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, USA, phone (978) 750-8400, http://www.copyright.com (include...two sections (e.g., Espisua, 1968; Beresi and Bordonaro, 1984; Beresi et al., 1987; M. Keller et al.,...unconformably overlie this basement, have been dated (Bordonaro et al., 1996; Lehnert et al., 1998) as Early Ordovician...that of the coeval Precordilleran carbonates. Bordonaro et al. (1996) concluded that these limestones...Astini (1991), Aceñolaza (1992), Loske (1992), Bordonaro (1992), Astini et al. (1995, 1996b), and Keller |  | | Report (issue) | | ___ _ Geology of the pegmatite districts of Connecticut ___ _ Geology of the Middletown district ___________...Androscoggin County ______________________ _ Berry feldspar quarry __________________ _ Cumberland County ___...LaChance mines _______________________ _ Oxford County ____________________________ _ Barrett beryl prospect...prospect __________________ _ Bennett feldspar quarry ________________ _ Black Mountain area ___________________...Brown-Thurston beryl prospect __________ _ Bumpus feldspar quarry ________________ _ Donahue mica prospect _________________ |  | | Journal (article/letter/editorial) | | mineralogical assemblage CE P Chlorite–Phengite–Felspar–Quartz and the Raman temperatures ranging from 330 to...Silurian and Devonian terranes (Huvelin, 1977; Bordonaro et al., 1979). Thus, the eastern Jebilet belong...with the eastern part (Bordonaro et al., 1979; Gaillet, 1980; Gaillet and Bordonaro, 1981). The outcropping...equivalent of the Kharrouba Flysch (Bordonaro et al. 1979; Gaillet and Bordonaro, 1981). The Sarhlef series have...epidote (Tr-Act, Ep) in mafic rocks (Huvelin, 1977; Bordonaro, 1983); (3) The main tectonic phase (D2) dated |  | Moreno, C., Sáez, R., González, F., Almodóvar, 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 E–W 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 |  | VOLDMAN, GUSTAVO G., ALONSO, JUAN L., FERNÁNDEZ, LUIS P., BANCHIG, ALDO L., ALBANESI, GUILLERMO L., ORTEGA, GLADYS, CARDÓ, RAÚL (2018) Cambrian–Ordovician conodonts from slump deposits of the Argentine Precordillera: new insights into its passive margin development. Geological Magazine, 155 (1) 85-97 doi:10.1017/s0016756816000832 | Journal (article/letter/editorial) | | platform facies not represented elsewhere (e.g. Bordonaro, 2003). The Los Sombreros Formation displays ubiquitous...lower and middle Cambrian rocks (Bordonaro & Baldis, 1987; Bordonaro & Banchig, 1990), interpreted as...conodonts and graptolites (Benedetto & Vaccari, 1992; Bordonaro, 2003). Lehnert (1994) described the first conodont...recrystallized limestones, with minor amounts of chert and quartz clasts. They constitute beds that are massive or...CAI 3 but display a sugary texture with abundant quartz overgrowths instead. In this case, the different |  | | Report (chapter) | | Johnson Space C e n t r e - C23, Houston, Texas 77058, USA 2 Institut fu'r Geologie und Mineralogie, Universitdt...the top of the underlying carbonates (Keller & Bordonaro in press). Among the siliciclastic rocks, siltstones...features and evaporites. Chert, chalcedony, and micro-quartz are very abundant and concentrated in oolite beds...section is a lithoclast bed with coarse detrital quartz grains. An interesting Upper Cambrian succession...present south of San Rafael at Ponon Trehue (Bordonaro et al. 1996; Keller 1996). There, about 80m of |  | | Report (chapter) | | eastern tectofacies, together with coarse arkose and quartz conglomerate preserved as blocks in the western...Mendoza, is considered (Astini et al. 1995a; Bordonaro et al. 1996; Ramos et al. this volume). The Precordillera...Lower Ordovician carbonate succession (Baldis & Bordonaro 1981; Keller et al. 1994; Keller et al. this volume)...succession by Gonzfilez Bonorino (1975) and Baldis & Bordonaro (1981, 1985), and consists of several units, mainly...Aitken 1966; grand cycles according to Baldis & Bordonaro 1982) are succeeded by thick dolostones with sparse |  | Belkabir, A., Gibson, H.L., Marcoux, E., Lentz, D., Rziki, S. (2008) Geology and wall rock alteration at the Hercynian Draa Sfar Zn–Pb–Cu massive sulphide deposit, Morocco. Ore Geology Reviews, 33 (3) 280-306 doi:10.1016/j.oregeorev.2007.03.001 | Journal (article/letter/editorial) | | foliation, and have a low-grade, chlorite–muscovite–quartz–albite– oligoclase metamorphic assemblage. The...increase of sericite relative to chlorite. A calcite–quartz–muscovite assemblage and a pronounced decrease...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...low-grade regional metamorphism, typified by a quartz–muscovite–chlorite assemblage. D1 shortening was |  | | Journal (article/letter/editorial) | | thick carbonate platform (>2500 m: Baldis and Bordonaro 1981; >2100 m: Keller 1997), which persisted until...the contact. 3 Vertical burrow filled with peloid-quartz silt; magnification, ×7.5. 4 Overprint of horizontal...associated with rounded fragments of crinoids and quartz (4 in Fig. 9). The origin of the lithoclasts is...almost entirely composed of peloids and equigranular quartz silt, probably of wind-blown origin, which has...vertical burrows (3 in Fig. 7). Silt- and sand-sized quartz and chalcedony are present. Many of the grains |  | | 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 |  | | Journal (article/letter/editorial) | | al., 1989; Bercowski et al. 1990; Keller and Bordonaro, in press) and Ordovician (Beresi, 363 Fig....that a slope already existed in Cambrian times (Bordonaro and Banchig, 1990; Keller et al., in press), its...formation (Cafias and Keller, in press; Keller and Bordonaro, in press). The Llanvirn and Llandeilo were times...brachiopods, ostracods, nautiloids and gastropods. Quartz is almost absent. The wackestones represent SMF...calcilsiltite ( S M F 2) with c o m m o n silt-sized quartz and carbonate particles and a fauna similar to |  | | Journal (article/letter/editorial) | | BER\A, OF THE MIDDLETOWN AND QUARTZ FROM PEGMA'II'I'NS DISTRICT, CONNECTICUT EucoNo N. C,q.lrBnoN, Ronrnr...inclusions in quartz and beryl from 9 pegmatites of the Middletown district, Connecticut (Cameron and...finally disappears. Four inclusionsof this type in quartz from the Case No. 1 pegmatite gave temperatures...when heated. In 20 inclusions of this group in quartz from the core of the Case No. 2 pegmatite the vapor...this group in quartz from the core of the Case No 2 pegmatite and in 1 inclusion in quartz from the wall |  | | Report (chapter) | | Argentine Precordillera (modified from Keller & Bordonaro 1993) and localities mentioned in the text. values...terrane has been identified near San Rafael (Bordonaro et al. 1996; Fig. 1), where Lower Ordovician carbonates...with oolitic and bioclastic grainstones. Locally, quartz arenites are present near the top of the formation...deep-water limestones of Middle and Late Cambrian age (Bordonaro & Banchig 1996) are preserved as olistoliths in...grouped into depositional assemblages (Keller & Bordonaro in press) or facies associations (Keller 1997) |  | | Journal (article/letter/editorial) | | 1963,1965,1971; Vaccari, 1994, 1995; Vaccari and Bordonaro, 1993, Palmer et al., 1996). The early Cambrian...Laurentia (Shergold et al., 1995; Tortello and Bordonaro, 1997). Perhaps the more critical point against...al., in press) and in the La Laja Formation (Bordonaro and Martos, 1985) of the Precordillera, were benthic...Asaphiscus in Salta Province (Acefiolaza and Bordonaro, 1988), which has been questioned by Vaccari (pers...Interestingly, the basal conglomerates contain clasts of quartz-rich sandstones and siltstones bearing shallow |  | | Journal (article/letter/editorial) | | submarine emissions of either rhyolitic or more often quartz-keratophyric nature. Later on, basic plutonics...roches d'6panchement acides, rhyolitiques et surtout quartz-k6ratophyriques, d'6mission sous-marine. En revanche...7 - Complexe calcareux. 8 - Complexe acide. 9 - Quartz-k6ratophyres et pyroclastites. 10 - Gabbro-diorite...commence par des manifestations laviques, protrusions quartz-k6ratophyriques, br~ches, tufs: elle constitue...de cristallinit6 des illites de cette s6rie (Bordonaro 1983) se r6partissent darts les domaines anchi |  | González, P. D., Tortello, M. F., Damborenea, S. E., Naipauer, M., Sato, A. M., Varela, R. (2013) Archaeocyaths from South America: review and a new record. Geological Journal, 48 (2) 114-125 doi:10.1002/gj.2415 | Journal (article/letter/editorial) | | and Thomson (2005), include quartzite, sandstone, quartz, chert, shale, conglomerate, limestone, granites...Falkland/Gran Malvina Island, Figure 2) and Frying Pan Quarry, near Mount Pleasant Airport (East Falkland/Soledad...acidic volcanic rocks, mono- and polycrystalline quartz and metapelites. Rare and outsized (up to 1 m)...diamictites are the predominant rocks, but conglomerates, quartz-sandstones, and shales are also present in smaller...composed mainly of angular to rounded fragments of quartz-sandstone, with Geol. J. (2012) DOI: 10.1002/gj |  | | Journal (article/letter/editorial) | | by the Famatinian Orogeny (Criado Roque, 1972; Bordonaro et al., 1996). This was followed by Carboniferous–Lower...intergrown with minor quartz (Fl2 + Qtz) cemented by second silicification stage quartz aggregates (Qtz2)...by fine fluorite aggregates intergrown with minor quartz (Fig. 2b). Each fluorite generation is followed...followed by a silicification stage that led to quartz aggregates with mosaic, zonal, feathery and comb texture...are iron oxides, calcite, opal, chalcedony and quartz (Mallimacci et al., 2010). Significant geochemical |
|
Bordonaro Quarry, Portland, Middlesex County, Connecticut, USA