Academic literature on the topic 'Proterozoic'

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Journal articles on the topic "Proterozoic"

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Rogers, John. "Proterozoic supercontinents." International Geology Review 53, no. 11-12 (2011): 1263–64. http://dx.doi.org/10.1080/00206814.2010.528185.

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Cowie, J. W. "Proterozoic geology: Selected papers from an international proterozoic symposium." Earth-Science Reviews 23, no. 1 (1986): 67–68. http://dx.doi.org/10.1016/0012-8252(86)90009-7.

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Friderichsen, J. D., N. Henriksen, and R. A. Strachan. "Basement-cover relationships and regional structure in the Grandjean Fjord - Bessel Fjord region (75°–76°N), North-East Greenland." Rapport Grønlands Geologiske Undersøgelse 162 (January 1, 1994): 17–33. http://dx.doi.org/10.34194/rapggu.v162.8246.

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Geological mapping and isotopic investigations demonstrate that the Grandjean Fjord – Bessel Fjord region can be divided into three rock groups: (1) a Lower Proterozoic basement gneiss complex; (2) a Middle Proterozoic supracrustal cover (Smallefjord sequence); and (3) Upper Proterozoic metasediments (Eleonore Bay Supergroup). The basement gneiss complex largely comprises c. 2.0–1.7 Ga calc-alkaline granitoid orthogneisses with intercalated migmatitic supracrustal rocks. The complex is deformed by at least two sets of approximately coaxial folds which may be either Proterozoic or Caledonian in
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Bucholz, Claire E., and Christopher J. Spencer. "Strongly Peraluminous Granites across the Archean–Proterozoic Transition." Journal of Petrology 60, no. 7 (2019): 1299–348. http://dx.doi.org/10.1093/petrology/egz033.

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Abstract Strongly peraluminous granites (SPGs) form through the partial melting of metasedimentary rocks and therefore represent archives of the influence of assimilation of sedimentary rocks on the petrology and chemistry of igneous rocks. With the aim of understanding how variations in sedimentary rock characteristics across the Archean–Proterozoic transition might have influenced the igneous rock record, we compiled and compared whole-rock chemistry, mineral chemistry, and isotope data from Archean and Paleo- to Mesoproterozoic SPGs. This time period was chosen as the Archean–Proterozoic tr
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Sergeev, V. N., Mukund Sharma, and Yogmaya Shukla. "Proterozoic Fossil Cyanobacteria." Journal of Palaeosciences 61, no. (1-2) (2012): 189–358. http://dx.doi.org/10.54991/jop.2012.359.

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A monographic account is presented on the fossil Proterozoic cyanobacteria. It chronicles the 60 years of history of investigations on the Precambrian microfossils. The researches on Precambrian microfossils have revealed a new, earlier unknown, world of oldest microorganisms and divulged the steps in life’s evolution on the earth. Documented records show that cyanobacteria occupied all available ecological niches of the Precambrian biosphere and filamentous and coccoidal cyanobacteria were the dominant microbial community. Extinct fossilized cyanobacteria in diagenetic cherts of the Precambri
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Schidlowski, Manfred. "Proterozoic carbon cycle." Nature 362, no. 6416 (1993): 117–18. http://dx.doi.org/10.1038/362117b0.

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Des Marals, David J., Harald Strauss, Roger E. Summons, and J. M. Hayes. "Proterozoic carbon cycle." Nature 362, no. 6416 (1993): 118. http://dx.doi.org/10.1038/362118a0.

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Berthelsen, Asger. "Proterozoic Crustal Evolution." Precambrian Research 70, no. 1-2 (1994): 166–67. http://dx.doi.org/10.1016/0301-9268(94)90026-4.

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Baadsgaard, H. "Proterozoic crustal evolution." Chemical Geology 112, no. 1-2 (1994): 197. http://dx.doi.org/10.1016/0009-2541(94)90116-3.

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Butterfield, Nicholas J. "Probable Proterozoic fungi." Paleobiology 31, no. 1 (2005): 165–82. http://dx.doi.org/10.1666/0094-8373(2005)031<0165:ppf>2.0.co;2.

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Dissertations / Theses on the topic "Proterozoic"

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Appelquist, Karin. "Proterozoic crustal evolution in southcentral Fennoscandia /." Göteborg : Department of Earth Sciences, University of Gotheburg, 2010. http://hdl.handle.net/2077/21530.

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Doyle, Katherine Audrey. "The chemical evolution of the Proterozoic biosphere." Thesis, University of Leeds, 2018. http://etheses.whiterose.ac.uk/22150/.

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The chemical evolution of the Proterozoic biosphere is not a well comprehended topic. Major gaps exist in the redox record which documents the ocean’s transition from a dominantly ferruginous state throughout most of the Proterozoic, to widespread deep ocean oxygenation during the Late Neoproterozoic. Between ~1.85 – 0.54 Ga, significant developments in biological evolution also occurred with the emergence of macroscopic eukaryotes followed by the radiation of metazoans. A strong link between stably oxygenated marine environments and the radiation of increasingly complex organisms is observed
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Aspler, Lawrence B. (Lawrence Bernard) Carleton University Dissertation Geology. "Geology of Nonacho Basin (early Proterozoic) N.W.T." Ottawa, 1985.

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Mitchell, Emily Geraldine Harmsworth. "Quantitative approaches to understanding ediacaran ecology." Thesis, University of Cambridge, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.664750.

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Glendinning, Neil Robert William. "Sedimentology of Proterozoic, Moine rocks of west Scotland." Thesis, Royal Holloway, University of London, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246211.

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Agić, Heda. "Palaeobiology and diversification of Proterozoic-Cambrian photosynthetic eukaryotes." Doctoral thesis, Uppsala universitet, Paleobiologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-265229.

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One of the most important events in the history of life is the evolution of the complex, eukaryotic cell. The eukaryotes are complex organisms with membrane-bound intracellular structures, and they include a variety of both single-celled and multicellular organisms: plants, animals, fungi and various protists. The evolutionary origin of this group may be studied by direct evidence of past life: fossils. The oldest traces of eukaryotes have appeared by 2.4 billion years ago (Ga), and have additionally diversified in the period around 1.8 Ga. The Mesoproterozoic Era (1.6-1 Ga) is characterised b
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Moore, Kelsey Reed. "Cyanobacterial evolution and interactions with the Proterozoic world." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/127144.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, May, 2020<br>Cataloged from the official PDF of thesis.<br>Includes bibliographical references.<br>Our understanding of the biosphere prior to the rise of complex life is built largely upon microbial mat structures and some exceptionally well-preserved microbial fossils from the Proterozoic (2500 to 540 million years ago). Some of these exceptional fossils are identifiable as cyanobacteria that were preserved by pyrite, amorphous silica (SiO₂) and other minerals. Although a record e
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Phillips, Johnnie O. "Petrology of the Late Proterozoic(?) - Early Cambrian Arumbera Sandstone and the Late Proterozoic Quandong Conglomerate, East-central Amadeus Basin, Central Australia." DigitalCommons@USU, 1986. https://digitalcommons.usu.edu/etd/6684.

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Throughout the James Ranges and Gardiner Range the Arumbera Sandstone forms prominent strike ridges with distinctive dark reddish slopes and pale red to orange-white cliffs. Because of their lithologic and stratigraphic similarities, the names Eninta and ''Quandong" for these units should be suppressed in favor of the name of Arumbera Sandstone, which has precedence. The stratigraphic and lithologic differences observed between the Quandong Conglomerate in the type locality and the Arumbera Sandstone in the study area suggest that these units are not equivalent. Similarites with the Areyonga F
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Blake, Kevin L. "The petrology, geochemistry and association to ore formation of the host rocks of the Kiirunavaara magnetite-apatite deposit, northern Sweden." Thesis, Cardiff University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321483.

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Diarra, Pobanou Hughes. "The geology and genesis of the Syama gold deposit, Mali, West Africa." Thesis, University of Southampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362528.

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Books on the topic "Proterozoic"

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C, Condie Kent, ed. Proterozoic crustal evolution. Elsevier, 1992.

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A, Kröner, and International Geological Congress (27th : 1984 : Moscow, Russia), eds. Proterozoic lithospheric evolution. American Geophysical Union, 1987.

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1936-, Medaris L. G., and Geological Society of America, eds. Proterozoic geology: Selected papers from an International Proterozoic Symposium. Geological Society of America, 1986.

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1951-, Ryan Arthur Bruce, Rivers Toby 1948-, Gower Charles F, and Geological Association of Canada, eds. Mid-proterozoic Laurentia-Baltica. Geological Association of Canada, 1990.

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H, Knoll Andrew, Ostrom John H, and Cloud Preston 1912-, eds. Proterozoic evolution and environments. Kline Geology Laboratory, Yale University, 1990.

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F, Gower Charles, Rivers Toby 1948-, Ryan Arthur Bruce 1951-, and Geological Association of Canada, eds. Mid-Proterozoic Laurentia-Baltica. Geological Association of Canada, Dept. of Earth Sciences, 1990.

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Brown, Bruce A. Proterozoic Baraboo interval in Wisconsin. University of Wisconsin-Extension, Geological and Natural History Survey, 1986.

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1941-, Schopf J. William, and Klein Cornelis 1937-, eds. The Proterozoic biosphere: A multidisciplinary study. Cambridge University Press, 1992.

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Mikko, Nironen, Kähkönen Yrjö, International Geological Correlation Programme. Project 217, Proterozoic Geochemistry., and International Geological Correlation Programme. Project 179, Stratigraphic Methods as Applied to the Proterozoic Record., eds. Geochemistry of Proterozoic supracrustal rocks in Finland: IGCP Project 179, Stratigraphic Methods as Applied to the Proterozoic Records and IGCP Project 217, Proterozoic Geochemistry. Geologian tutkimuskeskus, 1994.

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Jenkins, Gregory S., Mark A. S. McMenamin, Christopher P. McKay, and Linda Sohl, eds. The Extreme Proterozoic: Geology, Geochemistry, and Climate. American Geophysical Union, 2004. http://dx.doi.org/10.1029/gm146.

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Book chapters on the topic "Proterozoic"

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Gradstein, Felix M. "Proterozoic (Aeon)." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1291.

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Gradstein, Felix M. "Proterozoic Eon." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_1291.

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Gradstein, Felix M. "Proterozoic Eon." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65093-6_1291.

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Frazier, William J., and David R. Schwimmer. "The Proterozoic." In Regional Stratigraphy of North America. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1795-1_3.

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Gradstein, Felix M. "Proterozoic Aeon." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_1291-3.

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Gradstein, Felix M. "Proterozoic Eon." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-642-27833-4_1291-4.

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Jain, A. K., D. M. Banerjee, and Vivek S. Kale. "Proterozoic Mobile Belts." In Society of Earth Scientists Series. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42845-7_4.

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Jain, A. K., D. M. Banerjee, and Vivek S. Kale. "Proterozoic ‘Purana’ Basins." In Society of Earth Scientists Series. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42845-7_5.

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Emslie, R. F. "Proterozoic Anorthosite Massifs." In The Deep Proterozoic Crust in the North Atlantic Provinces. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5450-2_4.

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Jin, Bai, and Dai Fengyan. "Early Proterozoic Crust." In Precambrian Crustal Evolution of China. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03697-6_3.

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Conference papers on the topic "Proterozoic"

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Planavsky, Noah J., Mingyu Zhao, and Christopher T. Reinhard. "MID-PROTEROZOIC OXYGEN AND METHANE." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-308114.

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Dayal, A. "Discovery of Hydrocarbon in Proterozoic Basin." In 71st EAGE Conference and Exhibition incorporating SPE EUROPEC 2009. European Association of Geoscientists & Engineers, 2009. http://dx.doi.org/10.3997/2214-4609.201400471.

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Bailey, AHE, L. Wang, E. Grosjean, et al. "New geomechanical and petrophysical data from NDI Carrara 1; implications for Carrara Sub-basin unconventional prospectivity." In Central Australian Basins Symposium IV. PESA, 2024. http://dx.doi.org/10.36404/ppka8487.

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NDI Carrara 1 is the first stratigraphic test of the Carrara Sub-basin, a newly discovered depocentre in the South Nicholson region that was identified on newly acquired seismic surveys undertaken as part of the Exploring for the Future program. NDI Carrara 1 intersected a thick sequence of Proterozoic aged siliciclastic and carbonate rocks, which host several units of interest to hydrocarbon explorers due to affinities with the known Proterozoic shale gas plays of the Beetaloo Sub-basin and the Lawn Hill Platform. These include two organic-rich black shale sequences and a thick section of int
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БРУСНИЦЫНА Е, А., and К. ХУДОЛЕЙ А. "PALEOZOIC GRANITE MAGMATISM OF THE SOUTHERN PART OF THE PRIKOLYMA TERRANE (MAGADAN REGION): NEW GEOHRONOLOGICAL DATA." In ГЕОЛОГИЯ И МИНЕРАЛЬНО-СЫРЬЕВЫЕ РЕСУРСЫ СЕВЕРО-ВОСТОКА РОССИИ 2024. Crossref, 2024. http://dx.doi.org/10.53954/9785604990100_274.

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The study provides new geochronological data on the U-Pb age of a granite intrusion located in the southern part of the Prikolyma terrane. The obtained data on the age of zircons indicate the Early Devonian (412-419 million years) age of granite. Among the zircon population, a significant number of grains are of Early Proterozoic (~1720 Ma) and Middle-Late Ordovician (~460 Ma) age. We interpret zircons of Early Proterozoic age as inherited from older volcanics of the Khakdon Group, which are of similar age and widespread in the central part of the Prikolyma terrane. The tectonic setting of gra
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Karlstrom, Karl E., Michael L. Williams, Mark Edward Holland, Jacob Mulder, George E. Gehrels, and Mark Pecha. "PROTEROZOIC ACCRETIONARY OROGENS OF SOUTHERN LAURENTIA REVISITED." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-282369.

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Bykova, Natalia, Qin Ye, Dmitriy Grazhdankin, and Shuhai Xiao. "MACROALGAE THROUGH PROTEROZOIC: MORPHOLOGICAL AND PALEOECOLOGICAL ANALYSES." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-316654.

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Keller, C. Brenhin, and Kalin McDannell. "GEOCHEMICAL AND PHYSICAL CONSEQUENCES OF PROTEROZOIC GLACIATION." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-382600.

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Zhang, Shuichang, Wang Zheng, Yuntao Ye, et al. "Subaerial volcanism broke mid-Proterozoic environmental stasis." In Goldschmidt 2024. Geochemical Society, 2024. https://doi.org/10.46427/gold2024.22210.

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K. Bazhenova, O., T. K. Bazhenova, and N. P. Fadeeva. "Upper Proterozoic Sedimentary Basins of Ancient Russian Platforms." In 68th EAGE Conference and Exhibition incorporating SPE EUROPEC 2006. European Association of Geoscientists & Engineers, 2006. http://dx.doi.org/10.3997/2214-4609.201402245.

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Dunham, Jeremy I., and Linda C. Kah. "UNDERSTANDING ‘GRIDWORK’ TEXTURES WITHIN PROTEROZOIC EARLY DIAGENETIC CHERT." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-296676.

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Reports on the topic "Proterozoic"

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Norris, D. K., and L. D. Dyke. Proterozoic. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1997. http://dx.doi.org/10.4095/208890.

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Williams, G. K. Proterozoic, Mackenzie Corridor. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/130056.

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Aitken, J. D., and M. E. McMechan. Chapter 5: Middle Proterozoic Assemblages. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/134083.

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Gabrielse, H., and R. B. Campbell. Chapter 6: Upper Proterozoic Assemblages. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/134085.

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Aitken, J. D. Proterozoic Sedimentary Rocks [Chapter 4: Stratigraphy]. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/192359.

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Frarey, M. J., and R. T. Cannon. Proterozoic Geology, Lake Panache-Collins Inlet, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/120363.

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Jarrett, A. J. M., D. Gross, B. Horsfield, and C. J. Boreham. Organic petrography of Proterozoic shales from northern Australia. Geoscience Australia, 2020. http://dx.doi.org/10.11636/record.2020.035.

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Bostock, H. H., O. Van Breemen, and W. D. Loveridge. Proterozoic geochronology in the Taltson Magmatic Zone, N.W.T. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/122751.

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Schnieders, B. R., and M. C. Smyk. Proterozoic and Archean Geology: Hemlo To Winston Lake. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/132355.

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Scarberry, K. C., C. McDonald, and E. L. Coppage. Geologic map of the Kofford Ridge 7.5′ quadrangle, Flathead and Sanders Counties, Montana. Montana Bureau of Mines and Geology, 2023. http://dx.doi.org/10.59691/ijsx9724.

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