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Bibliografie tematiche / Huronian

Letteratura scientifica selezionata sul tema "Huronian"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 11 febbraio 2022

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Articoli di riviste sul tema "Huronian"

1

Roscoe, S. M., e K. D. Card. "The reappearance of the Huronian in Wyoming: rifting and drifting of ancient continents". Canadian Journal of Earth Sciences 30, n. 12 (1 dicembre 1993): 2475–80. http://dx.doi.org/10.1139/e93-214.

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Abstract (sommario):

Striking stratigraphic and sedimentological similarities between the Early Proterozoic Huronian Supergroup of the Canadian Shield and the Snowy Pass Supergroup of Wyoming suggest that they were deposited in a single, broad, epicratonic basin developed atop a large Archean continent that included the Superior and Wyoming geological provinces. Breakup of the continent after the 2.2 Ga intrusion of widespread gabbro sheets and dykes resulted in the separation of the Archean Superior and Wyoming cratons and their Early Proterozoic covers. These crustal fragments were subsequently reassembled during Early Proterozoic (~1.85 Ga) orogenesis, the end result being the present 2000 km separation of the Huronian and Snowy Pass supergroups and their Archean basements.

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2

Kerrich, R., D. F. Strong, A. J. Andrews e L. Owsiacki. "The silver deposits at Cobalt and Gowganda, Ontario. III: Hydrothermal regimes and source reservoirs–evidence from H, O, C, and Sr isotopes and fluid inclusions". Canadian Journal of Earth Sciences 23, n. 10 (1 ottobre 1986): 1519–50. http://dx.doi.org/10.1139/e86-145.

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The Ag–, Co–Ni–sulpharsenide deposits of the Cobalt–Gowganda district are characterized by relatively uniform light-stable-isotope systematics, where δ18O in quartz spans 11.1–16.0‰; in K-feldspar, 10.1–12.3‰; in albite, 8.1–14.4‰; in actinolite, 6.0–7.6‰; in chlorite, 3.2–5.6‰; and δD in chlorite = −42 to −35‰. The temperature of hydrothermal silicate deposition was 150–230 °C, as calculated from Δquartz–chlorite, and triple to quadruple isotopic concordancy is locally preserved amongst quartz, chlorite, actinolite, and K-feldspar or albite. Filling temperature modes at 230 and 330 °C exist for primary inclusions in quartz and carbonates. Ore-forming hydrothermal fluids were isotopically characterized by δ18O = −2.5 to + 5‰, δD = −40 to + 5‰, interpreted to reflect isotopically and chemically evolved formation brines from Huronian aquifers, ultimately derived from marine pore fluids, and Proterozoic meteoric water recharge of the sedimentary basin. The restricted range of δ18Oquartz, Δquartz−chlorite, and δDchlorite from a large population of veins implies that the ore-forming fluids were tapped from a large reservoir, or reservoirs, relatively uniform with respect to temperature, δ18O, and δD.Quartzes in silicate selvages, wall rocks, and carbonate-dominated gangue are isotopically comparable, signifying fluid-dominated conditions and the initial precipitation of carbonates from fluids isotopically similar to those involved in the silicate stage and at comparable temperatures. Vein dolomites (δ18O = 21 to 23.1‰) continued to exchange down to temperatures of 110–140 °C in the presence of fluids where δ18O = 3 ± 2‰, during thermal attenuation of the ore-forming reservoir. Vein calcites (δ18O = 1.7 to 15.7‰) record late incursion of meteoric waters where δ18O = −8 to −22‰ at temperatures of ~50 °C. The population of vein carbonates clusters at δ13C = −3.1 to −5.3‰, and this is probably also close to the carbon-isotope signature of the hydrothermal fluid. The source of carbon is uncertain.Actinolites possess age-corrected 87Sr/86Sr = 0.715 to 0.729, for 2200 Ma, close to estimates for the contemporaneous Huronian ratio (0.7053–0.714) but more radiogenic than contemporaneous Archean volcanics (0.7017–0.7021) or the Nipissing diabase (0.7060–0.7061). On this basis, Sr is interpreted to have been derived principally from the Huronian sedimentary reservoir.Fluid inclusions in quartz and calcite of both mineralized and barren veins in the Cobalt and Gowganda mining camps and environs show five different types type I (L), type II (L + halite), type III (L + V), type IV (L + V + H), and type V (V), with types III and IV being most abundant. A histogram of all mine data shows modes around 100, 230, and 330 °C, with a range from > 560 to < 100 °C. No carbon dioxide was observed in the inclusions, although the dominance of calcite and dolomite in the veins attests to its presence during mineralization. Several samples show evidence of aqueous boiling, allowing a direct pressure determination of about 600 bar (60 MPa). The fluids were highly saline NaCl–CaCl2 brines, with up to 54 wt.% NaCl equivalent and highly variable Na/Ca ratios. Fluid inclusions in samples of barren veins from Lundy Township, outside the areas of known mineralization, do not appear to be significantly different from those of the mineralized veins, indicating that the hydrothermal fluids were active throughout a large area of the Huronian basin; this is corroborated by the disturbance of Pb- and Sr-isotope systems in the Nipissing, Huronian, and Archean.The Nipissing diabase likely served as a heat source to mobilize metals and advect formation brines, which may have derived the metals from either or all of the Huronian sediments or the Archean volcanics Nipissing diabase and sedimentary rocks. We suggest a genetic scheme for the veins involving CO2 effervescence and aqueous boiling inducing pH increase and thereby mediating rapid precipitation of ore minerals coeval with and followed by carbonates. This process explains most of the presently known major and minor characteristics of the vein systems and their host rocks, including the chloritic and sodic metasomatism of the Archean and Huronian rocks, abundant calcite, the compositional and mineralogical variability of the ore minerals, the textural variability of both the carbonates and ore minerals, the paragenetic sequence of alteration and mineralization, the distribution of ore minerals with respect to the diabase and other rocks, the relatively narrow vertical extent of mineralization, variations in ore grade and tonnage, and the distribution of economic deposits on the periphery of the Huronian basin.

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3

Mareschal, Jean-Claude, Claude Jaupart, John Armitage, Catherine Phaneuf, Carolyne Pickler e Hélène Bouquerel. "The Sudbury Huronian heat flow anomaly, Ontario, Canada". Precambrian Research 295 (luglio 2017): 187–202. http://dx.doi.org/10.1016/j.precamres.2017.04.024.

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4

Sekine, Yasuhito, Eiichi Tajika, Ryuji Tada, Takemaru Hirai, Kosuke T. Goto, Tatsu Kuwatani, Kazuhisa Goto et al. "Manganese enrichment in the Gowganda Formation of the Huronian Supergroup: A highly oxidizing shallow-marine environment after the last Huronian glaciation". Earth and Planetary Science Letters 307, n. 1-2 (luglio 2011): 201–10. http://dx.doi.org/10.1016/j.epsl.2011.05.001.

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5

Bernstein, L., e G. M. Young. "Depositional environments of the Early Proterozoic Espanola Formation, Ontario, Canada". Canadian Journal of Earth Sciences 27, n. 4 (1 aprile 1990): 539–51. http://dx.doi.org/10.1139/e90-051.

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Abstract (sommario):

The carbonate-rich Espanola Formation forms part of the Huronian Supergroup, deposited in Early Proterozoic time between about 2.5 and 2.1 Ga ago. The Espanola Formation overlies glacigenic diamictites of the Bruce Formation and is gradationally overlain by fluvial sandstones of the Serpent Formation. In the southern part of the outcrop belt, the Espanola Formation comprises a lower limestone member, a middle siltstone member, and an upper heterolithic member. These rocks record what may be the first marine incursion in the early Huronian and perhaps indicate a pre-rift phase of sedimentation. The limestone and siltstone members reflect low-energy conditions with sporadic influxes of fine-grained siliciclastics and carbonate debris from turbidity or storm-derived currents. Deposition took place subtidally, either in a shallow-marine setting or in a large lake, following the end of Bruce glaciation. Deposition of the coarser grained heterolithic member took place in higher energy environments, dominated by shallow-marine tide and storm processes.In the study area, most carbonate is detrital in origin. Paleocurrents suggest a northerly source. The restricted nature of the basin, postglacial warming, and shallower marine conditions could have been factors in carbonate precipitation.

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6

Hill, C., P. L. Corcoran, R. Aranha e F. J. Longstaffe. "Microbially induced sedimentary structures in the Paleoproterozoic, upper Huronian Supergroup, Canada". Precambrian Research 281 (agosto 2016): 155–65. http://dx.doi.org/10.1016/j.precamres.2016.05.010.

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7

Mungall, J. E., e J. J. Hanley. "Origins of Outliers of the Huronian Supergroup within the Sudbury Structure". Journal of Geology 112, n. 1 (gennaio 2004): 59–70. http://dx.doi.org/10.1086/379692.

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8

Kurucz, Sophie, Philip Fralick, Martin Homann e Stefan Lalonde. "Earth’s first snowball event: Evidence from the early Paleoproterozoic Huronian Supergroup". Precambrian Research 365 (ottobre 2021): 106408. http://dx.doi.org/10.1016/j.precamres.2021.106408.

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9

Jolly, Wayne T. "Geology and geochemistry of Huronian rhyolites and low-Ti continental tholeiites from the Thessalon region, central Ontario". Canadian Journal of Earth Sciences 24, n. 7 (1 luglio 1987): 1360–85. http://dx.doi.org/10.1139/e87-130.

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Abstract (sommario):

Bimodal volcanism associated with early phases of Huronian rifting in central Ontario, dated about 2450 Ma, produced low-Ti tholeiitic basalts and two varieties of crustally derived calc-alkaline rhyolite. Early tholeiites are characteristically highly evolved, have Mg* values from 30 to 50, and display pronounced enrichment in large-ion lithophile elements (LILE) and light rare-earth element (LREE) in comparison with modern oceanic basalts, fractionated heavy rare-earth element (HREE) patterns, and low Ti, Zr, P, Nb, Ba, and K abundances. Ti/Zr ratios rise progressively in early basalts and associated basaltic andesite fractionates from about 35 in early flows to 55 in central units. Late basalts also carry enriched LILE and LREE, but, in contrast to early types, have average Mg* values greater than 50 and lower rare-earth element (REE) abundances with flat HREE patterns. They also display negative Ba, Nb, and P anomalies on chondrite-normalized distribution diagrams, but lack low K, Zr, and Ti contents. Their Ti/Zr ratios of about 80 approach chondritic levels. Melting models suggest the differences are explained by lower degrees of fusion (as low as 10%) in a hydrated, LILE- and LREE-enriched peridotite during generation of the early basalts, leaving a residue containing appreciable garnet, amphibole, Ti oxides, zircon, and apatite.Erupted simultaneously with the basalts were two distinctive rhyolite types: (1) a low-LILE, high-LREE group (25% of analysed specimens), derived by −20% melting of granulitic siliceous tonalitic gneiss, presumably at deep crustal levels, and (2) a high-LILE, low-LREE group (75%), derived, probably at shallower levels, by ≤ 30% melting in granitic rocks with pegmatitic or leucogranitic compositions. Mutual magma mixing of basalts and rhyolites during early stages of volcanism produced abundant hybrid andesites, but the frequency of contamination is much lower in later units.Hypothetical subcontinental source compositions, calculated from the Raleigh equation, suggest that the Huronian mantle had already undergone a complex history. Low Ba, Nb, P, Ti, and depleted HREE abundances compared with abundances for modern oceanic basalts suggest that a basaltic melt had already been withdrawn from this source during Archean time. Subsequently, an episode of hydrous metasomatism enriched the source in LILE and LREE. The latter event resulted from (1) subcontinental mantle metasomatism by previous Archean subduction, (2) mantle metasomatism during the terminal Archean Kenoran Orogeny, or (3) a wave of hydrous metasomatism accompanying Huronian mantle convection immediately preceding volcanism.

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10

Junnila, R. M., e G. M. Young. "The Paleoproterozoic upper Gowganda Formation, Whitefish Falls area, Ontario, Canada: subaqueous deposits of a braid delta". Canadian Journal of Earth Sciences 32, n. 2 (1 febbraio 1995): 197–209. http://dx.doi.org/10.1139/e95-016.

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Abstract (sommario):

The upper Gowganda Formation is part of the Paleoproterozoic Huronian Supergroup (ca. 2.5–2.2 Ga) of the north shore of Lake Huron. The upper Gowganda Formation rests with sharp conformable contact on glaciogenic rocks of the lower Gowganda Formation and is gradational with cross-bedded sandstones of the overlying Lorrain Formation. At the southern margin of the Huronian fold belt, in the Whitefish Falls area, the upper Gowganda Formation is 380–750 m thick, and consists of four coarsening-upward cycles from 30 to 300 m in thickness. Each is comprised of the succession (a) laminated argillite deposited from suspension on the prodelta, (b) argillite and cross-laminated sandstone laid down on the delta front by normal fluvial input and flood episodes, (c) fine-to coarse-grained, cross-bedded sandstone formed as distributary-mouth sand sheets influenced by shallow marine processes. Abundant soft-sediment deformation indicates rapid sedimentation and (or) contemporaneous fault-related seismicity. Erosional contacts between cycles resulted from marine reworking as sediment supply diminished. Each coarsening-upward cycle is interpreted as the subaqueous deposits of a braid delta that prograded into a moderately wave-influenced, tectonically active marine basin. In some respects, the succession of the deltaic deposits is comparable to those formed during the postglacial evolution of the Mississippi delta, but it is likely that the fluvial regime at the time of deposition of the Gowganda Formation was dominantly braided.

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Più fonti

Tesi sul tema "Huronian"

1

Panahi, Alireza. "Geochemistry of Precambrian paleosols and Huronian sedimentary rocks, Ontario and Québec, Canada". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0021/NQ58156.pdf.

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2

Vogel, Derek Christian. "The geology and geochemistry of the Agnew Intrusion : implications for the petrogenesis of early Huronian mafic igneous rocks in central Ontario, Canada /". Connect to thesis, 1996. http://eprints.unimelb.edu.au/archive/00000708.

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3

Silverman, David John. "Forging a New Indian Religion in Seventeenth-Century Huronia". W&M ScholarWorks, 1996. https://scholarworks.wm.edu/etd/1539626072.

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4

Levasseur, Gisèle. "Le souffle empoisonné de la civilisation, les épidémies en Huronie, 1634-1650". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ38141.pdf.

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5

Sioui, Georges E. "La civilisation wendate". Doctoral thesis, Université Laval, 1991. http://hdl.handle.net/20.500.11794/28436.

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6

Magee, Kathryn Claire. "Dispersed, But Not Destroyed: Leadership, Women, and Power within the Wendat Diaspora, 1600-1701". The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306236416.

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7

Gagnon, Mathieu. "Enquête morale sur le mépris envers les premières nations : le programme de conversion des Jésuites en Huronie au 17e siècle et le programme de civilisation britanno-canadien au 19e siècle". Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/28103/28103.pdf.

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8

Lee-Hone, Chloe. "Entre le Saguenay et la Huronie : les perles de verre du lac Abitibi et la route du Nord au XVIIe siècle". Thèse, 2019. http://hdl.handle.net/1866/22436.

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Libri sul tema "Huronian"

1

Coleman, A. P. Clastic Huronian rocks of western Ontario. Rochester [N.Y.]: Published by the Society, 1987.

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2

Coleman, A. P. Clastic Huronian rocks of western Ontario. Rochester [N.Y.]: Published by the Society, 1987.

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3

H, Collins W. The Huronian formations of Timiskaming Region, Canada. Ottawa: Govt. Print. Bureau, 1997.

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4

Survey, Ontario Geological. Huronian Stratigraphy and Sedimentation in the Cobalt Area. S.l: s.n, 1985.

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5

Legun, Andrew S. Huronian stratigraphy and sedimentation in the Cobalt area. Toronto, Ont: Ontario Ministry of Natural Resources, 1986.

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6

Young, Grant M. Stratigraphy, sedimentology and tectonic setting of the Huronian supergroup. Sudbury, Ont: Geological Association of Canada, 1991.

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7

Pumpelly, Raphael. Observations upon the structural relations of the Upper Huronian, Lower Huronian and basement complex on the north shore of Lake Huron. [S.l: s.n., 1987.

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8

Junnila, R. M. Precambrian geology: Yarrow and Doon townships with emphasis on the Huronian supergroup. Toronto: Ontario Ministry of Northern Development and Mines, 1990.

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9

Debicki, R. L. Stratigraphy, paleoenvironment and economic potential of the Huronian supergoup in the southern Cobalt embayment. Toronto, Ont: Ministry of Northern Development and Mines, Mines and Minerals Division, 1990.

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10

Debicki, R. L. Stratigraphy, paleoenvironment and economic potential of the Huronian supergroup in the southern Cobalt embayment. [Toronto]: Ontario, Ministry of Northern Development and Mines, 1990.

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Capitoli di libri sul tema "Huronian"

1

Bekker, Andrey. "Huronian Glaciation". In Encyclopedia of Astrobiology, 1128–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_742.

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2

Bekker, Andrey. "Huronian Glaciation". In Encyclopedia of Astrobiology, 1–8. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_742-4.

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3

Bekker, Andrey. "Huronian Glaciation". In Encyclopedia of Astrobiology, 768–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_742.

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4

Melezhik, Victor A., Grant M. Young, Patrick G. Eriksson, Wladyslaw Altermann, Lee R. Kump e Aivo Lepland. "7.2 Huronian-Age Glaciation". In Reading the Archive of Earth’s Oxygenation, 1059–109. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29670-3_2.

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5

"14. Recounting Huronia: A Reflection on Legal Discourse and the Weight of Injustice". In Madness, Violence, and Power, 221–36. University of Toronto Press, 2019. http://dx.doi.org/10.3138/9781442629981-020.

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6

"The Fall of Troy in Old Huronia: The Letters of Paul Ragueneau on the Destruction of Wendake, 1649–1651". In Brill’s Companion to Classics in the Early Americas, 398–423. BRILL, 2021. http://dx.doi.org/10.1163/9789004468658_016.

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7

Trigger, Bruce G. "The French Presence in Huronia: The Structure of Franco-Huron Relations in the First Half of the Seventeenth Century (1968)". In The Contested Past, a cura di Marlene Shore. Toronto: University of Toronto Press, 2002. http://dx.doi.org/10.3138/9781442680906-058.

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Atti di convegni sul tema "Huronian"

1

Cui, Huan, Kouki Kitajima, Michael J. Spicuzza, John H. Fournelle, Akizumi Ishida, Philip E. Brown e John W. Valley. "SEARCHING FOR THE GREAT OXIDATION EVENT IN NORTH AMERICA: A REAPPRAISAL OF THE "MIF–MDF TRANSITION" IN THE HURONIAN SUPERGROUP BY SIMS SULFUR FOUR-ISOTOPE ANALYSIS". In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-300054.

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Rapporti di organizzazioni sul tema "Huronian"

1

Wright, D. J. Preliminary report on the stratigraphy and sedimentology of the huronian Bar River formation, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/120235.

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2

Card, K. D., e S. L. Jackson. Tectonics and metallogeny of the early Proterozoic Huronian Foldbelt and the Sudbury Structure of the Canadian Shield. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1995. http://dx.doi.org/10.4095/205283.

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3

Roscoe, S. M., R. J. Theriault e N. Prasad. Circa 1.7 Ga Rb - Sr Re - Setting in Two Huronian Paleosols, Elliot Lake, Ontario and Ville Marie, Quebec. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/134171.

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4

Chandler, F. W. Sedimentology and Paleoclimatology of the Huronian [Early Aphebian] Lorrain and Gordon Lake Formations and Their Bearing On Models For Sedimentary Copper Mineralization. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/120358.

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5

Lowey, G. W., e D. G. F. Long. Preliminary investigation of the sedimentology of auriferous strata in the early aphebian (huronian) Lorrain formation, between Sault Ste. Marie and Elliot Lake, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/120030.

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6

Prasad, N., e S. M. Roscoe. Profiles of Altered Zones At Ca 2.45 Ga Unconformities Beneath Huronian Strata, Elliot Lake, Ontario: Evidence For Early Aphebian Weathering Under Anoxic Conditions. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/132559.

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7

Lowey, G. W. Stratigraphy and Sedimentology of the Lorrain Formation, Huronian Supergroup (Aphebian), Between Sault Ste. Marie and Elliot Lake, Ontario, and Implications For Stratiform Gold Mineralization. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/129983.

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