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Relevant bibliographies by topics / Geology - Ontario - Mond township

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Academic literature on the topic 'Geology - Ontario - Mond township'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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Journal articles on the topic "Geology - Ontario - Mond township"

1

PRESSACCO, R. "Geology of the Cargill Township Residual Carbonatite-associated Phosphate Deposit, Kapuskasing, Ontario." Exploration and Mining Geology 10, no. 1-2 (January 1, 2001): 77–84. http://dx.doi.org/10.2113/10.1-2.77.

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2

MacRae, N. D., and M. R. Russell. "Quantitative REE SIMS analyses of komatiite pyroxenes, Munro Township, Ontario, Canada." Chemical Geology 64, no. 3-4 (October 1987): 307–17. http://dx.doi.org/10.1016/0009-2541(87)90010-6.

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Cattell, Alan. "Enriched komatiitic basalts from Newton Township, Ontario: their genesis by crustal contamination of depleted komatiite magma." Geological Magazine 124, no. 4 (July 1987): 303–9. http://dx.doi.org/10.1017/s0016756800016630.

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AbstractLREE-enriched komatiitic basalts are commonly found in association with LREE-depleted komatiites. This association is found in a sequence of late Archaean lavas from Newton Township, Ontario. The komatiitic lavas at Newton Township differ from most late Archaean examples in that both the komatiites and the komatiitic basalts are depleted in Al and in the HREE. The close association and distinctive Al and HREE depletions of the two lava types strongly suggest a common origin, despite their contrasting LREE patterns.A model is proposed whereby the LREE-depleted komatiites represent the parental magma to the LREE-enriched komatiitic basalts, the two being linked by a combination of crystal fractionation and crustal assimilation. The composition of the contaminant is estimated by comparing the LREE-enriched komatiitic basalts with the evolved part of a thick layered komatiite flow that has similar major element chemistry. The contaminant composition coincides closely with Taylor & McLennan's estimate of the composition of the Archaean upper crust. It is concluded that LREE-enriched komatiitic basalts can be produced from LREE-depleted komatiite parent magmas by combined assimilation and fractionation, and that such a process best explains the geochemistry and Nd isotopic features of most komatiitic basalts.

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4

Bajc, A. F., P. F. Karrow, C. H. Yansa, B. B. Curry, Jeffrey C. Nekola, Kevin L. Seymour, and G. L. Mackie. "Geology and paleoecology of a Middle Wisconsin fossil occurrence in Zorra Township, southwestern Ontario, Canada." Canadian Journal of Earth Sciences 52, no. 6 (June 2015): 386–404. http://dx.doi.org/10.1139/cjes-2015-0005.

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Nonglacial deposits of Middle Wisconsin age are being discovered with increased frequency across a broad region of southern Ontario, Canada, and provide strong evidence for a time of significant ice withdrawal from the lower Great Lakes region. With each new discovery, a refined understanding of regional climatic and paleoecological environments is emerging. In this paper, we present the results of a sedimentological and paleoecological study of a subtill organic deposit in Zorra Township, southwestern Ontario. The organic deposit, which lies beneath Nissouri Phase Catfish Creek Till (Late Wisconsin), has been dated by accelerator mass spectrometry at between 50.5 and 42.9 14C ka BP. The organic remains are contained within slack water pond deposits infilling a channel incised into till either of Early Wisconsin or Illinoian age. The fossil assemblage appears to be strongly influenced by taphonomic processes, including degradation due to oxidation, bacterial and fungal decay, and glacial overriding. Reworking and (or) recycling and selective sorting as well as long-distance transport has also influenced the composition of the fossil assemblage preserved. Nonetheless, meaningful paleoecological information is still obtained from this record. Collectively, the pollen and plant macrofossils indicate a boreal-type pine–spruce forest with temperatures cooler than present. The absence of arctic tundra plants, as are found in many other deposits of similar age in the lower Great Lakes basin, is notable. A pond or wetland inhabited by shoreline herbs, shrubs, and trees was present at or proximal to the site. The freshwater mollusc and ostracode assemblages are consistent with a shallow water habitat with dense submerged vegetation. The terrestrial mollusc assemblage suggests a taiga or transitional taiga–tundra fauna. Together, these fossil groups provide one of the most comprehensive environmental reconstructions of Middle Wisconsin time (oxygen isotope stage 3 or OIS3) in southern Ontario and serve to build on the ever-increasing database of paleoecological information accumulating for this episode of the late Quaternary.

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5

Beavon, Roy V. "Archean neptunian fissures and early history of the Destor-Porcupine fault zone, Timmins, Ontario, Canada." Canadian Journal of Earth Sciences 35, no. 12 (December 1, 1998): 1402–7. http://dx.doi.org/10.1139/e98-073.

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Neptunian dikes and fissures are intimately associated with a minor Archean sedimentary basin near Timmins, Ontario, in the southwestern part of Abitibi Subprovince of the Canadian Shield. These structures are associated with the late Archean Timiskaming unconformity, and were formed by clastic sedimentation in fissures opened by the reactivation and dilation of basement faults along a major crustal shear. A "pull-apart" origin is indicated for the sedimentary basin by published township maps and the underground geology of the Dome gold mine. The neptunian dikes and fissures are discussed in relation to previous stratigraphic and tectonic interpretations of the Timmins area.

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Dissertations / Theses on the topic "Geology - Ontario - Mond township"

1

Thériault, Robert. "Disequilibrium textures in the Centre Hill complex, Munro Township, Ontario." Thesis, University of Ottawa (Canada), 1992. http://hdl.handle.net/10393/7614.

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The Centre Hill complex is part of the mafic to ultramafic Munro Lake sill that occurs within the Stoughton-Roquemaure Group of the Abitibi Subprovince. The complex is approximately 450 m thick and consists of alternating layers of peridotite and clinopyroxenite overlain by 250 m of gabbroic rocks. Two distinct occurrences of cyclic layering are observed: (1) cyclic units of peridotite and clinopyroxenite in the bottom half of the intrusion; and (2) cyclic units of branching-textured gabbro (BTG) and clotted-textured gabbro (CTG) characteristic of the upper layer of gabbro. The upper part of the gabbro is characterized by the presence of spectacular branching crystals that extend away from the upper contact. The primary composition of the branches is interpreted to have been that of Fe-rich olivine based on the actual secondary assemblage. From petrological observations and geochemical data, it is suggested that the branching olivine crystals grew within a crystal-liquid mush in the later stages of fractionation. Two models based on their appearance within the petrogenetic sequence are proposed: (1) the branching olivine crystals grew from the residual melt of the last batch of magma only; or (2) the branching olivine crystallized in the later stages of each cyclic event. The branching textures are truly fractal objects as they are self-similar over a large range of scale. They consistently yield fractal dimensions approximating 1.6. The branching morphologies were qualitatively and quantitatively simulated on the computer using a variation of the Witten-Sander diffusion limited aggregation (DLA) algorithm. From the simulations, it is established that the growth of branching crystals was limited by diffusion of molecules to the crystal-liquid interface, and that the resulting morphology was controlled by two opposing phenomena: (1) the random aggregation of growth molecules along the crystal periphery without relocation; and (2) the systematic arrangement of molecules onto the growing interface according to the internal crystal structure of the mineral. (Abstract shortened by UMI.)

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2

Cattell, A. "Geology and geochemistry of komatiites and associated basalts from Newton Township, Ontario, Canada." Thesis, University of Southampton, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370363.

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3

Legault, Marc Hubert Carleton University Dissertation Geology. "The geology and alteration associated with the Genex volcanogenic Cu massive sulphide deposit, Godfrey Township, Timmins, Ontario." Ottawa, 1985.

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Books on the topic "Geology - Ontario - Mond township"

1

Sage, R. P. Geology of carbonatite-alkalic rock complexes in Ontario: Cargill Township Carbonatite Complex, district of Cochrane. Toronto, Ont: Ontario Ministry of Northern Development and Mines, Mines and Minerals Division, 1988.

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2

Sage, R. P. Geology of carbonatite-alkalic rock complexes in Ontario: Borden Township carbonatite complex, district of Sudbury. Toronto, Ont: Ontario Ministry of Northern Development and Mines, 1987.

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3

Sage, R. P. Geology of carbonatite-alkalic rock complexes in Ontario: Valentine Township Carbonatite Complex, district of Cochrane. Toronto, Ont: Ministry of Northern Development and Mines, Mines and Minerals Division, 1988.

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4

Sage, R. P. Geology of carbonatite-alkalic rock complexes in Ontario: Shenango Township Alkalic Rock Complex, Districts of Sudbury and Algoma. Toronto, Ont: Ministry of Northern Development and Mines, 1987.

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5

Dunbar, Paul A. Geology and geochemical alteration of the carbonate shear zone at Hotstone Lake - Swayze Greenstone Belt, Greenlaw Township, Ontario. [s.l: s.n.], 1989.

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Reports on the topic "Geology - Ontario - Mond township"

1

Ames, D. E., and H. L. Gibson. Geology, alteration and mineralization of the Onaping Formation, Morgan Township, Sudbury Structure, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/214890.

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Ames, D. E. Geology, alteration and mineralization of the Onaping Formation, Rockcut Lake area, Norman Township, Sudbury Structure, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/215385.

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Ames, D. E. Geology, alteration and mineralization of the Onaping Formation, Joe Lake area, Wisner Township, Sudbury Structure, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/215420.

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4

Ames, D. E. Geology, alteration and mineralization of the Onaping Formation, Simmons Lake area, Dowling Township, Sudbury Structure, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/215421.

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5

Ames, D. E. Geology, alteration and mineralization of the Onaping Formation, Cow Lake area, Dowling Township, Sudbury Structure, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/215422.

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