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Journal articles on the topic 'Capo d'Orso'

Author: Grafiati

Published: 28 July 2024

Last updated: 30 July 2024

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1

Samson, Scott D., Sandra M. Barr, and Chris E. White. "Nd isotopic characteristics of terranes within the Avalon Zone, southern New Brunswick." Canadian Journal of Earth Sciences 37, no. 7 (2000): 1039–52. http://dx.doi.org/10.1139/e00-015.

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Nd isotopic data are presented for rock units in four terranes within the traditional Avalon Zone of southern New Brunswick. Initial εNd values for igneous rocks within the Caledonia terrane range from -1.6 to +4.6, whereas values for sedimentary rocks range from -8.4 to +3.6. A granite within the Kingston terrane has εNd(438 Ma) = +4.0. Nd isotopic compositions for the Kingston and Caledonia terranes are similar to those of the Mira terrane in Cape Breton Island, the Antigonish Highlands of Nova Scotia, and plutonic rocks of eastern Newfoundland. Each of these regions may be a dismembered par

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2

Lin, Shoufa. "Relationship between the Aspy and Bras d'Or "terranes" in the northeastern Cape Breton Highlands, Nova Scotia." Canadian Journal of Earth Sciences 30, no. 9 (1993): 1773–81. http://dx.doi.org/10.1139/e93-157.

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According to previous interpretations, the Eastern Highlands shear zone separates Ordovician–Silurian volcano-sedimentary rocks to the west (Cheticamp Lake Gneiss of the Aspy "terrane") from late Precambrian sedimentary rocks and dioritic – tonalitic plutons and Early Ordovician granite to the east (Bras d'Or "terrane"). New mapping discovered a basal conglomerate of the Cheticamp Lake Gneiss that rests on deformed diorite of the Bras d'Or "terrane" and contains clasts similar or identical to rocks of the Bras d'Or "terrane." The late Precambrian rocks of the Bras d'Or "terrane" are also overl

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3

Raeside, Robert P., and Sandra M. Barr. "Geology and tectonic development of the Bras d'Or suspect terrane, Cape Breton Island, Nova Scotia." Canadian Journal of Earth Sciences 27, no. 10 (1990): 1371–81. http://dx.doi.org/10.1139/e90-147.

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The Bras d'Or Terrane is defined in Cape Breton Island and consists of four distinctive components, (i) Low-pressure, regionally metamorphosed aluminous and calcareous gneiss of the Proterozoic Bras d'Or metamorphic suite is restricted to the southeastern part of the terrane. (ii) Late Proterozoic clastic-volcanic-carbonate units (Blues Brook, Malagawatch, McMillan Flowage, and Benacadie Brook formations, and Barachois River and Bateman Brook metamorphic suites) occur throughout the terrane and are generally at low metamorphic grades, although sillimanite grade has locally been achieved, (iii)

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4

Barr, S. M., R. P. Raeside, and C. E. White. "Geological correlations between Cape Breton Island and Newfoundland, northern Appalachian orogen." Canadian Journal of Earth Sciences 35, no. 11 (1998): 1252–70. http://dx.doi.org/10.1139/e98-016.

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Geological correlations between Cape Breton Island and Newfoundland are apparent both in surface geology and at deeper crustal levels, based on similarities in Sm-Nd isotopic signatures. The Mira terrane of southeastern Cape Breton Island is part of the Avalon terrane sensu stricto and is composed of Neoproterozoic volcanic-sedimentary-plutonic belts and overlying Cambrian rocks directly comparable to those in the western part of the Newfoundland Avalon terrane. The Bras d'Or terrane is also mainly of Neoproterozoic age, but shows lithological and isotopic contrasts with the Mira terrane. Smal

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5

Sánchez-Alarcos, Raúl Fernández. "Olivier Messiaen y Pablo d'Ors: una relación en la escucha atenta de la plegaria." Diablotexto Digital 7 (June 30, 2020): 122. http://dx.doi.org/10.7203/diablotexto.7.16779.

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Este trabajo, desde el análisis de las obras del compositor Olivier Messiaen y del escritor Pablo d’Ors, pretende llevar a cabo un estudio de naturaleza interartística que cabe en el marco teórico de la Literatura Comparada. A partir de algunas referencias de la cultura occidental en torno a cómo la poesía y la música han tratado históricamente el problema de la plenitud del sentido, se analizan algunas obras de los autores citados, para destacar, en primer lugar, su contenido religioso y espiritual y, en segundo, el carácter vanguardista e innovador de sus respectivos lenguajes artísticos. Po

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6

Corchia, Luca. "L'hate speech. Definizione e meccanismi di propagazione nei social network." SICUREZZA E SCIENZE SOCIALI 11, no. 3 (2024): 28–41. http://dx.doi.org/10.3280/siss2023-003003.

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Il saggio intende esaminare il fenomeno emergente dei discorsi d'odio (hate speechs). Da sempre diffusi nelle comunicazioni pubbliche e nelle interazioni quotidiane, da alcuni decenni sono oggetto di disciplinamento al fine di arginare una propagazione che rischia di minare la convivenza sociale. Dapprima, viene posta la questione controversa della loro definizione, superando i limiti del riduzionismo semantico grazie a un approccio pragmatico-linguistico. Quindi, sono specificate le caratteristiche distintive dei discorsi d'odio online e le trasformazioni strutturali della sfera pubblica che

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7

Reynolds, P. H., R. A. Jamieson, S. M. Barr, and R. P. Raeside. "An 40Ar/39Ar study of the Cape Breton Highlands, Nova Scotia: thermal histories and tectonic implications." Canadian Journal of Earth Sciences 26, no. 10 (1989): 2081–91. http://dx.doi.org/10.1139/e89-175.

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Forty new 40Ar/39Ar age spectra on micas and amphiboles from both granitic and metamorphic rocks show that two geologically distinct terranes in the Cape Breton Highlands (Nova Scotia) have had contrasting thermal histories. Some plutons in the Bras d'Or Terrane in the southeastern highlands apparently cooled through the hornblende (or muscovite) closure temperature immediately following Precambrian to Cambrian intrusion. Other rock units in this terrane, particularly in the west, have been variably overprinted by a Silurian tectonothermal event, probably associated with juxtaposition of the B

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8

Barr, S. M., G. R. Dunning, R. P. Raeside, and R. A. Jamieson. "Contrasting U–Pb ages from plutons in the Bras d'Or and Mira terranes of Cape Breton Island, Nova Scotia." Canadian Journal of Earth Sciences 27, no. 9 (1990): 1200–1208. http://dx.doi.org/10.1139/e90-127.

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U–Pb dates from zircon, titanite, and monazite in plutons of the Bras d'Or and Mira terranes of southern Cape Breton Island, combined with 40Ar/39Ar and other radiometric age data, indicate that the Bras d'Or and Mira terranes had separate magmatic and metamorphic histories until at least the Middle Cambrian and possibly until the Devonian. The Bras d'Or Terrane is characterized by abundant late Precambrian (ca. 565–555 Ma) dioritic to granitic plutons, as exemplified by the Shunacadie granodiorite ([Formula: see text], U–Pb zircon). Early Ordovician granitic plutons, such as the Kellys Mounta

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9

Loncarevic, B. D., S. M. Barr, R. P. Raeside, C. E. Keen, and F. Marillier. "Northeastern extension and crustal expression of terranes from Cape Breton Island, Nova Scotia, based on geophysical data." Canadian Journal of Earth Sciences 26, no. 11 (1989): 2255–67. http://dx.doi.org/10.1139/e89-192.

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The narrowest section of the Appalachian Orogen in Atlantic Canada (from Grenville-age basement in the west to the Avalon Terrane in the east) is preserved in Cape Breton Island, where components of four terranes display distinctive stratigraphic, igneous, metamorphic, aeromagnetic, and gravity characteristics. The Blair River Complex of northwestern Cape Breton Island is a fragment of Grenvillian rocks that is similar to units in western Newfoundland. The Aspy Terrane is characterized by mid-Paleozoic granitic rocks and high-pressure paragneisses and appears to continue across the Cabot Strai

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10

Chen, Ya-Dong, Shoufa Lin, and Cees R. van Staal. "Detrital zircon geochronology of a conglomerate in the northeastern Cape Breton Highlands: implications for the relationships between terranes in Cape Breton Island, the Canadian Appalachians." Canadian Journal of Earth Sciences 32, no. 2 (1995): 216–23. http://dx.doi.org/10.1139/e95-018.

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Cape Breton Island has been interpreted as consisting of four zones of pre-Carboniferous rocks, but the relationships among them are controversial. To help resolve the controversy, we have dated detrital zircons from a conglomerate (part of the Cheticamp Lake Gneiss) in the Aspy terrane in the northeastern Cape Breton Highlands using the U–Pb method. The following ages were obtained: 462 ± 2 Ma (Middle Ordovician); ~492–488 Ma (6 ages; Early Ordovician); 552 ± 3 Ma (latest Precambrian–Early Cambrian); 620 ± 13 and 687 ± 4 Ma (Cadomian); and 809 ± 17, 1423 ± 10, 1462 ± 12, 1605 ± 14, 1644 ± 4,

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11

Barr, Sandra M., and Ernst Hegner. "Nd isotopic compositions of felsic igneous rocks in Cape Breton Island, Nova Scotia." Canadian Journal of Earth Sciences 29, no. 4 (1992): 650–57. http://dx.doi.org/10.1139/e92-056.

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Nd isotopic data from 18 felsic plutonic and volcanic units in Cape Breton Island show variations consistent with other geological and geophysical evidence for at least three distinct terranes. A ca. 1.2 Ga syenite considered to be part of Grenvilleage basement exposed in the northwestern part of the island yields an initial εNd value of +0.4 and a depleted-mantle model age (TDM) of 1.66 Ga, suggesting substantial involvement of older (Archean or Early Proterozoic) crust in its petrogenesis. A TDM of 1.38 Ga indicated by Nd isotopic data for a Devonian granite spatially associated with the sye

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12

Keppie, J. Duncan, D. W. Davis, and T. E. Krogh. "U-Pb geochronological constraints on Precambrian stratified units in the Avalon Composite Terrane of Nova Scotia, Canada: tectonic implications." Canadian Journal of Earth Sciences 35, no. 3 (1998): 222–36. http://dx.doi.org/10.1139/e97-109.

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Concordant U-Pb ages of detrital zircons in several Proterozoic units in the Avalon Composite Terrane of Nova Scotia, along with previously published data, indicate that deposition of low- and high-grade stratified units in the Cobequid Highlands (Gamble Brook Formation) and central Cape Breton Island (variously assigned to the George River Group or George River Metamorphic Suite and the Bras d'Or Gneiss) started after ~977 Ma, extended through a period of volcanic activity between ~694 and 637 Ma, and ended before the ~629-612-600 Ma volcanic activity associated with deposition of the Georgev

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13

Zaixso, Héctor E., and Zulma I. Lizarralde. "Efecto del tamaño de malla sobre el crecimiento y sobrevivencia del Mejillón (Mytilus platensis D'ORB.) en cultivos con encordados franceses." Biologia Pesquera, no. 23 (January 25, 2024): 49–57. http://dx.doi.org/10.21703/0067-8767.1994.23.2569.

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Se ha estudiado el efecto del tamaño de la abertura de malla del tubo de red extemo sobre el crecimiento y la supervivencia de individuos del mejillón (Mytilus platensis d'Orb.) cultivados en encordados franceses. El estudio fue llevado a cabo en el golfo Nuevo (42° 46' S, 65° 02' W), Chubut, Argentina. Se utilizaron dos grupos de talla: cría (largo medio x= 24,0 mm) y engorde ( x= 45,9 mm) y tres tamaños de abertura de malla para el tubo de red externo de los encordados (44,1 mm, 54,7 mm y 79,0 mm). Los resultados indican que en los encordados de cría las diferentes aberturas de malla utiliza

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14

Jamieson, I. G., D. M. Blouw, and P. W. Colgan. "Field observations on the reproductive biology of a newly discovered stickleback (Gasterosteus)." Canadian Journal of Zoology 70, no. 5 (1992): 1057–63. http://dx.doi.org/10.1139/z92-148.

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Field observations on a newly discovered form of stickleback, termed the white stickleback, were conducted at three sites in Bras d'Or Lake on Cape Breton Island, Nova Scotia. The white stickleback is sympatric with but reproductively isolated from the threespine stickleback (Gasterosteus aculeatus). White males nest above the substrate in filamentous algae, whereas threespine males nest on the substrate away from algae. At one of our sites, however, a few males of both sticklebacks were found nesting in similar habitat, namely on top of alga-covered rocks. Nevertheless, there was microhabitat

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15

SY, Amadou Abou. "Résultats 2018-2021 de L’évolution Morphologique de la Baie de Bel Air (Presqu’île du Cap Vert): Quand les Pointes Rocheuses Jouent le Rôle D’épis Naturelles de Protection des Plages!" European Scientific Journal, ESJ 18, no. 33 (2022): 190. http://dx.doi.org/10.19044/esj.2022.v18n33p190.

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La presqu’ île du Cap Vert est constituée par une succession de cap rocheux et de petites plages avec des estrans courts. Cette partie du littoral sénégalais est caractérisée par un déficit sédimentaire en raison de sa morphologie et du rôle de piège du Cayon de Cayar. La baie de Bel Air, située au sud de la presqu’ île est protégée par des pointes rocheuses. Les plages qui s’y trouvent (Monaco-plage ; voile d’or) sont caractérisée par une dynamique plutôt stable. L’objectif de cette présente contribution est d’étudier l’évolution morphologique de la Baie de Bel Air entre novembre 2019 et mars

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16

Kerrich, Robert, and John Ludden. "The role of fluids during formation and evolution of the southern Superior Province lithosphere: an overview." Canadian Journal of Earth Sciences 37, no. 2-3 (2000): 135–64. http://dx.doi.org/10.1139/e99-098.

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Models for fluid flow and hydrothermal alteration for the Abitibi greenstone belt are reviewed in the light of Lithoprobe results in the region. In the Abitibi greenstone belt, eruption of volcanic sequences over 2750-2700 Ma was accompanied by pervasive low-temperature hydrothermal alteration at high water/rock ratios, giving systematic 18O-enrichment. Archean ambient ocean water bottom temperatures were likely ca. 30°C, and δ18O ~0 ± 1. Chert-iron formations precipitated from low temperature hydrothermal discharge. Base metal massive sulphide deposits formed at or near the seafloor from foc

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