 | | Report (Issue volume) | | appropriate map or maps are indicated for each collecting area. Unless otherwise stated, these maps are issued...their natnral surroundings, in mines, quarries and outcrops. Because many collectors enjoy the association...with the specimens. Some collectors paint a small area of white enamel on the specimen and write an index... 0 100 l__L__j 0 0 GSC "' 13 I. JAMES BAY AREA (42 I/ NW Blacksmith Rapids; 42 NE Moosonee; 32...interbedded with shale, limestone and clay. The gypsum outcrops on both sides of the Moose River below the mouth |  | Greer, Jennika, Caro, Guillaume, Cates, Nicole L., Tropper, Peter, Bleeker, Wouter, Kelly, Nigel M., Mojzsis, Stephen J. (2020) Widespread poly-metamorphosed Archean granitoid gneisses and supracrustal enclaves of the southern Inukjuak Domain, Québec (Canada). Lithos, 364. 105520pp. doi:10.1016/j.lithos.2020.105520 | Journal (article/letter/editorial) | | intra-NSB fold belt rocks of the Central Tonalitic Gneiss (CTG) preserve mainly ca. 3650 Ma zircons. Beyond...younger overgrowths dated at ca. 2700 Ma. A tonalitic gneiss that transects another highly deformed supracrustal...discovery of more pre-3700 Ma rocks beyond the NSB outcrops calls attention to the existence of hitherto unidentified...of sizes captured in ancient granite-granitoid gneiss terranes that are in turn separated unconformably...centimeter-scale to tens of kilometers in outcrop area, the various Eoarchean (3850–3600 Ma) supracrustals |  | | Report (volume) | | ............................. 19 21 Hiusdale gneiss..................................................Lee gneiss ...................................................... 27 31 33, Tyringhaui gneiss...................................... 34 Washington gneiss..............'............................................................ 43 43 Lee-Tyringham area ..................................................distinctions ............................. Hinsdale gneiss............................................. 47 |  | | Journal (article/letter/editorial) | | osumilite-bearing mineral associations. Monazite and titanite U-Pb geochronology was conducted on 17 amphibolite-...crystallized during breakdown of allanite and titanite in upper amphibolite facies at 1012± 1006 Ma....tightly grouped U-Pb ages of accessory titanite and titanite relict inclusions at 918 2 Ma over the...complex (Fig. 1; Michot 1960). A calc-alkaline augen gneiss suite ± the Feda suite ± is cut by the Opx-in isograd...association of this suite comprises hornblende, titanite and allanite. Monazite and thorite are prograde |  | | Journal (article/letter/editorial) | | recorded in uranium deposits in the Beaverlodge area, northern Saskatchewan, Canada S. Dieng ∗ , K. Kyser...minerals in uranium deposits in the Beaverlodge area, Northwestern Saskatchewan, Canada, reveal six periods...regional thermotectonic events. The Beaverlodge area in the central-southern Archean Rae province, Northwestern...setting of uranium mineralization in the Beaverlodge area has been a contentious issue. Although the spatial...Geologic setting 2.1. General geology The Beaverlodge area is part of the Churchill province, which is located |  | Girelli, Tiago Jonatan, Chemale, Farid, Lavina, Ernesto Luiz Correa, Laux, Jorge Henrique, Bongiolo, Everton Marques, Lana, Cristiano (2018) Granulite accretion to Rio de la Plata Craton, based on zircon U-Pb-Hf isotopes: Tectonic implications for Columbia Supercontinent reconstruction. Gondwana Research, 56. 105-118 doi:10.1016/j.gr.2017.12.010 | Journal (article/letter/editorial) | | Oriolo et al., 2016a). The reworked margin is a key area to understand RLPC limits and tectonic evolution...emplacement ages of 2.36 Ga for a granodioritic gneiss and the maximum age for deposition of sedimentary...hand panning. Handpicked zircon, monazite, and titanite were mounted in 2.5 cm round epoxy disks, ground...EL-19, RL-58, RL-51, EL-19 Mn, EB-315, RL-51An and titanite from sample RL- 108 T.J. Girelli et al. / Gondwana...are poorly exposed, mostly restricted to small outcrops b50 m in size. Veins and dykes with granitic composition |  | | Journal (article/letter/editorial) | | .............................................. Gneiss (Fordham) .......................................... 754 GENERAL GEOLOGY. INTRODUCTORY. The area describedin this paperis one that was well known...helpful suggestions. GEOGRAPHY AND TOPOGRAPHY. The area to which the work was confinedis a rectanglesix...fifty-two miles from New York City. Topographically,the area plainly showsthe effectsof glacial action,in the... R. KOEBERLIN. of man. Probablyone-thirdof the area considered in this paper has been bought up by the |  | Gómez-Pugnaire, M.T., Rubatto, D., Fernández-Soler, J.M., Jabaloy, A., López-Sánchez-Vizcaíno, V., González-Lodeiro, F., Galindo-Zaldívar, J., Padrón-Navarta, J.A. (2012) Late Variscan magmatism in the Nevado-Filábride Complex: U-Pb geochronologic evidence for the pre-Mesozoic nature of the deepest Betic complex (SE Spain) Lithos, 146. 93-111 doi:10.1016/j.lithos.2012.03.027 | Journal (article/letter/editorial) | | gneisses. Compositional similarity in different outcrops points to common genetic relationships. Although...variable and well studied metamorphic terranes in this area, where the different effects of the Variscan and...has implications for the tectonic evolution of the area. Additionally, a detailed geochemical study of the...studied samples from 12 different representative gneiss outcrops (Table 1) throughout the NFC (green stars in...in Table 1. More details 95 about the rocks outcrops are provided in the supplementary material. Petrographic |  | Braun, Jean-Jacques, Descloitres, Marc, Riotte, Jean, Fleury, Simon, Barbiéro, Laurent, Boeglin, Jean-Loup, Violette, Aurélie, Lacarce, Eva, Ruiz, Laurent, Sekhar, M., Mohan Kumar, M.S., Subramanian, S., Dupré, Bernard (2009) Regolith mass balance inferred from combined mineralogical, geochemical and geophysical studies: Mule Hole gneissic watershed, South India. Geochimica et Cosmochimica Acta, 73 (4) 935-961 doi:10.1016/j.gca.2008.11.013 | Journal (article/letter/editorial) | | long-term mass balance is calculated for the average gneiss-derived saprolite and red soil. In the saprolite...complexly folded, heterogeneous Precambrian peninsular gneiss intermingled with mafic and ultramafic rocks of the... The Peninsular gneiss represents at least 85% of the watershed basement. The gneiss foliation is mainly...as metric enclaves or seams intermingle with the gneiss layers. However an amphibolite body occurs in the...and represents roughly 7% of the whole watershed area. At outcrop level, the basement rocks appear more |  | | Journal (article/letter/editorial) | | mentioned units are exposed in the S·zava River valley area, 50 km ESE of Prague, which allows to study lithological...Metabasites of the Bohemicum from the St¯Ìbrn· Skalice area differ from both the above mentioned units in both...Hora Crystalline Unit, Gfˆhl Unit, metabasite, gneiss, metamorphic and structural evolution, Variscan...the study, area studied, methods This paper presents principal results of a study in the area of contact...basis of geochemistry of magmatic rocks in this area and, to a lesser degree, on the basis of lithology |  | | Report (issue) | | Buckingham area Val-des-Monts area Glen-Almond area Notre-Dame-de-Ia-Salette area Notre-Dame-du-Laus area Lac...Lac du Cerf zircon occurrence Labelle area Grenville area Plates II 21 26 29 32 40 43 I. II. III. IV...Val-des-Monts area Back (Wallingford) mine Phlogopite crystal, Notre-Dame-de-Ia-Salette area 'Leopard rock'...serpentine, marble. and granite. Probably the best known area is the du Lievre River valley where the intense...geological regions are represented in the collecting area - the Canadian Shield and the St. Lawrence Lowlands |  | | Report (issue) | | Buckingham area .. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Perkins Mills area .... . ......... Notre-Dame-de-la-Salette area ....... . Notre-Dame-du-Laus area .... Lac du Cerf zircon occurrence... . Labelle area .. . . . . . . . . . . . ...... . . . . . . .... . .. . .. Grenville area . . .. ......in calcite and apatite, Perkins Plate s I. Mills area . . . . . . . . . . . . .. .... .. ..... ... .....Phlogopite crystal, Notre-Dame-de-la-Salette III. area . ... . .. . .... . . . . . . . . . . . . .. . |  | | Report (volume) | | ............................. Sterling granite gneiss.............................................. Lantern................................ Sterling granite gneiss.............................................. Intrusive............................. Porphyritic granite gneiss areas............................ Alaskite areas.................................. Normal granite gneiss areas................................. Minor sheets...Sterling granite gneiss................ Contact metamorphism due to the Sterling granite gneiss. ......... |  | | Report (issue) | | Contentnea Creek area Sims area Elm City area . Edgecombe and Nash Counties Pitt County Fountain area Anson and...and Richmond Counties The Wadesboro-Rockingham area Basic dikes Granites of the Piedmont Plateau Northeast...the Northeast Piedmont Wake County Raleigh granite area , The city quarries The Sutton quarry . Other quarries...granite area Dimension stone quarry Lassiter quarry Wendell granite area '. Knightdale granite area Abandoned...Abandoned quarry Other granite and granite-gneiss areas in Wake County Zebulon Wake Forest , Falls iv 1 |  | | Report (volume) | | .............................. 51 Ellicott City area............................................. 51........................:............. 53 Guilford area..................................................................................... 54 Woodstock area.............................................. 56...57 Port Deposit area ............................................ 59 Frenchtown area..................... 62 Dorseys Run area ........................................ 62 Sykesville area.................. |  | | Book (volume) | | Geology Anthropology and Ethnography of the area. Also, a small collection of specimens of local...Gilgit and eastwards as far as Bagicha. the Gilgit area and Chitral. The territory covered in 1955 lies...was not allowed to cover Wakhan. Fortunately that area revealed itself to be animportant geological knot...order to complete the geological research over an area which had been omitted from the itineraries of previous...in it like Piera Spadea Roda for the Lake Shiwa area, Maria Bianca Cita and Isabella Premoli Silva for |  | Lajoinie, M.F., Lanfranchini, M.E., Recio, C., Sial, A.N., Cingolani, C.A., Ballivián Justiniano, C.A., Etcheverry, R.O. (2019) The Lomagundi-Jatuli carbon isotopic event recorded in the marble of the Tandilia System basement, Río de la Plata Craton, Argentina. Precambrian Research, 326. 447-461 doi:10.1016/j.precamres.2018.03.012 | Journal (article/letter/editorial) | | marble of the San Miguel area. The calcite-diopside marble, hosted by biotite gneiss and intruded by 2.12...in the Fennoscandian Shield (Fig. 1; Norway, Switzerland, and Finland) by Baker and Fallick (1989), Karhu...Y analyses of basement marble of the San Miguel area, Tandilia System (Argentina), in order to stablish...with the Lomagundi-Jatuli isotopic event. other outcrops from the South African cratons (Schidlowski et...Santos et al., 2017) (Fig. 2b). The southernmost outcrops of the RPC are exposed in 2 Precambrian Research |  | | Journal (issue) | | directions how to reach interesting localities in your area, we will place your name and address o n this list...the southern end of Okinawa. We'd the immediate area. A small piece of heard of Shuri castle about three...there were a few re- cession I decided to comb the area caremains of what h ad been rather large frame f...exploring this which might have been a show case. Of area as we were. Everything we saw had great interest...W ebster Lake in the eastern half of the Orford area in Quebec where the "Orford" uvarovite comes from |  | Braga, R., Bargossi, G.M., Mair, V., Marocchi, M., Sapienza, G. T., Bondi, M. (2007) Garnet peridotites, pyroxenites and migmatites from the Ulten Zone: a tribute to Lauro Morten. Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 153. | Journal (article/letter/editorial) | | 1. Introduction The Ulten Zone (UZ) is an Alpine area where crust-mantle interaction can be observed because...presents the field trip focused on the Seefeld Alm area. This field trip can be considered the updated re-proposal...garnet peridotites and country rocks from Seefeld Alm area (Ultental)” (MARTIN et al., 1993) performed in the...and to his remarkable research activity in this area. 2. Geological Overview The UZ (ANDREATTA, 1935...Zone (modified after DEL MORO et al., 1999). The red area refers to the portion of the Ulten Zone visited |  | | Report (issue) | | Precambrian rocks________________________ Granite gneiss of the Norway Lake area_______ Occurrence. _ _...___________________________ Hardwood gneiss ___________________________ Banded gray gneiss. ________________________...Chapter C. Precambrian geology of the Norway Lake area, Dickinson County, Mich., by Lorin D. Clark General...Chlorite schist and quartzite_________________ Granite gneiss.-____________________________ General character...Chapter C. Precambrian geology of the Norway Lake area, Dickinson County, Mich. Continued Magnetic anomalies |  | | Journal (article/letter/editorial) | | of amphibolite foliates and biotite schist and gneiss. A middle Paleozoic suite consists of metasedimentary...or almost massive black amphibole schists with gneiss partings; 70-80 percent of the rock consists of...strike and dip of schistosity and banding in shale-gneiss - strata - fault dislocations (normal faults,...amphibolites. Accessory minerals are apatite, titanite and zircon. The texture is granoblastic. Higher...distribution. Here they form an extensive area of outcrops in the basins of the Laba, Pshish and Kizgych |  | | Report (issue) | | depressed experienced ages is region the become area. has continually going valleys it to be times... the during a become The Gouverneur district area the to rise. level sea Such districts of ...present surface. The resistant more the valleys; area and above the and 200 300 feet. in Canada...the map will across and this to- the except area highest irregularity, long another one that...across mile long, a of the is found example gneiss just which district in which the drift is elsewhere |  | | Report (Issue volume) | | appropriate map or maps are indicated for each collecting area. Unless otherwise stated, these maps are issued...their natural surroundings, in mines, quarries and outcrops. Because many collectors enjoy the association...with the specimens. Some collectors paint a small area of white enamel on the specimen and write an index...Lake-Whitehorse 4. Pelly River-Watson Lake. 1. PEEL RIVER AREA. NORTHERN YUKON (106 SW, SE Wernecke Mountains)... 284, 195 7, pp. 173, 190, 204. 2. DAWSON-MAYO AREA (105 NW, NE Pelly River; 115 NW, NE Fort Selkirk; |  | | Journal (article/letter/editorial) | | is about thirty-two miles wide FIG. I.- Newark area of New Jersey and New York. along the Delaware...state line. In Rockland county, New York, the Newark area forms a right triangle, the apex of which is near...however, the underlying Philadelyounger. phia gneiss outcrops for a few miles. The waters of the Kill von...pp. 541-562. A detailed account of the New York area will be published in the Annual Report of the State...argillite and flagstone and on the steeper slopes rock outcrops are generally abundant. The Brunswick beds.- In |  | | Journal (article/letter/editorial) | | a deformed granodiorite pluton called the Abroi Gneiss that is part of the Hillgrove Plutonic Suite (Figures...includes deformed granitoids such as the Abroi Gneiss). The north– south- to north-northwest-trending...g Wongwibinda Fault juxtaposes the Abroi Gneiss and Wongwibinda Complex against the low-grade Dyamberin...Plutonic Suite (Kent 1994), including the Abroi Gneiss, and coeval gabbro/diorite bodies of the Bakers...Complex suggests a limited rift basin formed in this area, a feature typical in the cold lithosphere of old |
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Gneiss outcrops, Ofenhorn, Albrunhorn - Turbhorn area, Binn, Goms, Valais, Switzerland