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Thematische Bibliographien / Geology - Nunavut - Bathurst Island / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Geology - Nunavut - Bathurst Island“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Poole, Kim G., Anne Gunn, Jack Wierzchowski, and Morgan Anderson. "Peary caribou distribution within the Bathurst Island Complex relative to the boundary proposed for Qausuittuq National Park, Nunavut." Rangifer 35, no. 2 (2015): 81. http://dx.doi.org/10.7557/2.35.2.3635.

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How caribou (Rangifer tarandus), including Peary caribou (R. t. pearyi), use their annual ranges varies with changes in abundance. While fidelity to some seasonal ranges is persistent, use of other areas changes. Consequently, understanding changes in seasonal distribution is useful for designing boundaries of protected areas for caribou conservation. A case in point is the proposed Qausuittuq (Northern Bathurst Island) National Park for Bathurst Island and its satellite islands in the High Arctic of Canada. Since 1961, Peary caribou have been through three periods of high and low abundance. W

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2

Harrison, Christopher. "Intersecting fold belts in the Bathurst Island region, Nunavut." Journal of Geodynamics 118 (July 2018): 82–105. http://dx.doi.org/10.1016/j.jog.2017.11.003.

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3

Anderson, Morgan. "Trends in high arctic muskox (Ovibos moschatus) harvest, 1990-2015." Rangifer 37, no. 1 (2017): 47–58. http://dx.doi.org/10.7557/2.37.1.4182.

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Harvest reporting has been in place for High Arctic muskoxen in Nunavut, Canada, since 1990-91. The communities of Resolute, Grise Fiord, and Arctic Bay harvest muskoxen in the region. Overall, muskox harvest has declined in Resolute and Grise Fiord since the 1990s. The recovery of Peary caribou populations on the Bathurst Island Complex, which provides an alternate preferred source of country food, may be a factor behind Resolute’s decreased muskox harvest. The proportion of harvest for domestic use has also declined relative to sport hunts, which have remained relatively constant since the 1

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4

Young, Kathy L., Laura Brown, and Claude Labine. "Snow cover variability at Polar Bear Pass, Nunavut." Arctic Science 4, no. 4 (2018): 669–90. http://dx.doi.org/10.1139/as-2017-0016.

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Information on arctic snow covers is relevant for climate and hydrology studies and investigations into the sustainability of both arctic fauna and flora. This study aims to (1) highlight the variability of snow cover at Polar Bear Pass (PBP) at a range of scales: point, local, and regional using both in situ snow cover measurements and remote sensing imagery products; and (2) consider how snow cover at PBP might change in the future. Terrain-based snow surveys documented the end-of-winter snowpacks over several seasons (2008–2010, 2012–2013), and snowmelt was measured daily at typical terrain

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Nelson, R. John, Kelly V. Young, and William J. Williams. "Marine zooplankton of Coronation Gulf and Bathurst Inlet, Nunavut, Canada." Continental Shelf Research 191 (December 2019): 104003. http://dx.doi.org/10.1016/j.csr.2019.104003.

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6

Namayandeh, Armin, and David V. Beresford. "A new species in the Rheocricotopus (R.) effusus group from Canada with a review of the Nearctic species of Rheocricotopus and Parametriocnemus (Chironomidae: Orthocladiinae)." CHIRONOMUS Journal of Chironomidae Research, no. 31 (December 27, 2018): 16–29. http://dx.doi.org/10.5324/cjcr.v0i31.2531.

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Rheocricotopus (Rheocricotopus) reduncusoides sp. n. is described from Bathurst Island, Nunavut, Canada. Its discovery was made while curating and examining specimens deposited by H. V. Danks in 1969 at the Canadian National Collection in Ottawa, Canada. We also report the first Canadian record of Parametriocnemus hamatus (Johannsen, 1934) from Québec, based on previously unsorted material deposited at the Canadian National Collection. In this paper we provide distributional records of the Nearctic species of Rheocricotopus Thienemann and Harnisch and Parametriocnemus Goetghebuer, and present

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Bischof, Jens F., and Dennis A. Darby. "Quaternary ice transport in the Canadian Arctic and extent of Late Wisconsinan Glaciation in the Queen Elizabeth Islands." Canadian Journal of Earth Sciences 36, no. 12 (1999): 2007–22. http://dx.doi.org/10.1139/e99-096.

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Most of the ice-rafted debris in channels off the Queen Elizabeth Islands, Nunavut, is of local origin, particularly in the inner part of the archipelago, but samples from the Arctic shelf contain as much as 40% grains from sources as far away as 2000 km, including the Siberian shelves. Particle transport by drifting sea ice from distant shelves is an important process on the Arctic continental shelf of the Queen Elizabeth Islands. In the interior of the Queen Elizabeth Islands and in the Viscount Melville and Lancaster sounds, particle transport is limited to distances of approximately 200 km

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Young, Kathy L., and Claude Labine. "Summer hydroclimatology of an extensive low-gradient wetland: Polar Bear Pass, Bathurst Island, Nunavut, Canada." Hydrology Research 41, no. 6 (2010): 492–502. http://dx.doi.org/10.2166/nh.2010.219.

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Polar Bear Pass (PBP) (75°40′N, 98°30′W) is considered a critical wetland area for migratory birds, caribou and muskox. Little is known of its climatology and hydrology. Here we evaluate both the short-term and long-term summer climatic record for this wetland. A 10 m high automatic weather station (AWS) was established here 27 years ago, and in 2007 this centrally located AWS was supplemented by three more weather stations placed across the wetland pass. The long-term climate record here indicates little significant departure when compared to the long-term climate means (1971–2005) at Resolut

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Young, Kathy L., Jane Assini, Anna Abnizova, and Elizabeth A. Miller. "Snowcover and melt characteristics of upland/lowland terrain: Polar Bear Pass, Bathurst Island, Nunavut, Canada." Hydrology Research 44, no. 1 (2012): 2–20. http://dx.doi.org/10.2166/nh.2012.083.

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The seasonal snowcover and snowmelt (2008–2010) of an extensive low-gradient wetland at Polar Bear Pass, Bathurst Island, Nunavut, Canada (75°40′ N, 98°30′ W) was examined. This wildlife sanctuary is characterized by two large lakes and numerous tundra ponds, and is bordered by rolling hills with incised hillslope stream valleys. In arctic environments snow remains one of the most important sources of water for wetlands. End-of-winter snowcover measurements (snow depth, density, water equivalent) together with direct and modeled estimates of snowmelt provided an assessment of the seasonal snow

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Abnizova, Anna, Kathy L. Young, and Melissa J. Lafrenière. "Pond hydrology and dissolved carbon dynamics at Polar Bear Pass wetland, Bathurst Island, Nunavut, Canada." Ecohydrology 7, no. 1 (2012): 73–90. http://dx.doi.org/10.1002/eco.1323.

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11

Young, Kathy L., Harold-Alexis Scheffel, Anna Abnizova, and John R. Siferd. "Spatial and temporal dynamics of groundwater flow across a wet meadow, Polar Bear Pass, Bathurst island, Nunavut." Permafrost and Periglacial Processes 28, no. 2 (2016): 405–19. http://dx.doi.org/10.1002/ppp.1931.

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12

Lim, Darlene S. S., Marianne S. V. Douglas, John P. Smol, and David R. S. Lean. "Physical and Chemical Limnological Characteristics of 38 Lakes and Ponds on Bathurst Island, Nunavut, Canadian High Arctic." International Review of Hydrobiology 86, no. 1 (2001): 1–22. http://dx.doi.org/10.1002/1522-2632(200101)86:1<1::aid-iroh1>3.0.co;2-e.

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Lim, Darlene S. S., Christine Kwan, and Marianne S. V. Douglas. "PERIPHYTIC DIATOM ASSEMBLAGES FROM BATHURST ISLAND, NUNAVUT, CANADIAN HIGH ARCTIC: AN EXAMINATION OF COMMUNITY RELATIONSHIPS AND HABITAT PREFERENCES." Journal of Phycology 37, no. 3 (2001): 379–92. http://dx.doi.org/10.1046/j.1529-8817.2001.037003379.x.

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14

Young, Kathy L., and Laura C. Brown. "Thermal regime of High Arctic tundra ponds, Nanuit Itillinga (Polar Bear Pass), Nunavut, Canada." Hydrology and Earth System Sciences 28, no. 16 (2024): 3931–45. http://dx.doi.org/10.5194/hess-28-3931-2024.

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Abstract. This study evaluates the seasonal and inter-seasonal temperature regime of small tundra ponds ubiquitous to an extensive, low-gradient wetland in the Canadian High Arctic. Pond temperatures can modify evaporation and ground thaw rates, impact losses of greenhouse gases, and control the timing and emergence of insects and larvae critical for migratory-bird feeding habits. We focus our study on thaw ponds with a range of hydrologic linkages and sizes across Nanuit Itillinga, formerly known as Polar Bear Pass (PBP), Bathurst Island, and compare their thermal signals to other Arctic pond

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St-Onge, Denis A., and Frans Gullentops. "Morphodynamics of Cold High Latitude Semiarid Regions: The Example of Ellef Ringnes Island, Nunavut*." Géographie physique et Quaternaire 59, no. 2-3 (2007): 103–11. http://dx.doi.org/10.7202/014749ar.

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AbstractIn this paper we use the example of Ellef Ringnes Island, Nunavut, to examine active geomorphic processes in a high latitude semiarid region. The spectacular landscape of Ellef Ringnes Island is principally the result of fluvial erosion controlled by geological structure. The nival regime concentrates flow in a brief late-spring period which provides strong erosive capabilities for rivers in spite of low annual precipitation. Other processes related to the cold environment produce a variety of minor landforms such as patterned ground, mud flows associated with ground ice, and solifluct

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Givelet, N., F. Roos-Barraclough, M. E. Goodsite, and W. Shotyk. "A 6,000-years record of atmospheric mercury accumulation in the high Arctic from peat deposits on Bathurst Island, Nunavut, Canada." Journal de Physique IV (Proceedings) 107 (May 2003): 545–48. http://dx.doi.org/10.1051/jp4:20030361.

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17

Hadley, Kristopher R., Marianne S. V. Douglas, Robert McGhee, Jules M. Blais, and John P. Smol. "Ecological influences of Thule Inuit whalers on high Arctic pond ecosystems: a comparative paleolimnological study from Bathurst Island (Nunavut, Canada)." Journal of Paleolimnology 44, no. 1 (2009): 85–93. http://dx.doi.org/10.1007/s10933-009-9388-6.

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18

West, Richard G., and Mary E. Pettit. "Plant macroscopic remains from recent sediments of Banks Island, Northwest Territories, and Bathurst Island, Nunavut, Canada, and the interpretation of Quaternary cold stage plant macroscopic assemblages." Journal of Quaternary Science 15, no. 2 (2000): 177–84. http://dx.doi.org/10.1002/(sici)1099-1417(200002)15:2<177::aid-jqs501>3.0.co;2-6.

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19

Harris, Charles, and Antoni G. Lewkowicz. "An analysis of the stability of thawing slopes, Ellesmere Island, Nunavut, Canada." Canadian Geotechnical Journal 37, no. 2 (2000): 449–62. http://dx.doi.org/10.1139/t99-118.

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Active-layer detachment slides are locally common on Fosheim Peninsula, Ellesmere Island, where permafrost is continuous, the active layer is 0.5-0.75 m thick, and summer temperatures are unusually high in comparison with much of the Canadian High Arctic. In this paper we report pore-water pressures at the base of the active layer, recorded in situ on two slopes in late July and early August 1995. These data form the basis for slope stability analyses based on effective stress conditions. During fieldwork, the factor of safety within an old detachment slide on a slope at Hot Weather Creek was

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20

Sivarajah, Branaavan, Neal Michelutti, Xiaowa Wang, Christopher Grooms, and John P. Smol. "Limnological Characteristics Reveal Metal Pollution Legacy in Lakes near Canada’s Northernmost Mine, Little Cornwallis Island, Nunavut." ARCTIC 74, no. 2 (2021): 167–74. http://dx.doi.org/10.14430/arctic72515.

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We compared modern limnological characteristics of three lakes near the world’s northernmost base metal (lead-zinc) mine, Polaris Mine, which operated from 1981 to 2002 on Little Cornwallis Island (Nunavut, Canada), to a suite of sites from Resolute Bay (Qausuittuq), Cornwallis Island. Although both study regions are underlain by broadly similar geology and experience nearly identical climatic conditions, present-day water chemistry variables differed markedly between sites on the two islands. Specifically, the lakes near the Polaris Mine recorded substantially higher concentrations of zinc an

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21

Peel, John S. "Trilobite fauna of the Telt Bugt Formation (Cambrian Series 2–Miaolingian Series), western North Greenland (Laurentia)." Bulletin of the Geological Society of Denmark 69 (January 20, 2021): 1–33. http://dx.doi.org/10.37570/bgsd-2021-69-01.

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Trilobites dominantly of middle Cambrian (Miaolingian Series, Wuliuan Stage) age are described from the Telt Bugt Formation of Daugaard-Jensen Land, western North Greenland (Laurentia), which is a correlative of the Cape Wood Formation of Inglefield Land and Ellesmere Island, Nunavut. Four biozones are recognised in Daugaard-Jensen Land, representing the Delamaran and Topazan regional stages of the western USA. The basal Plagiura–Poliella Biozone, with Mexicella cf. robusta, Kochiella, Fieldaspis? and Plagiura?, straddles the Cambrian Series 2–Miaolingian Series boundary. It is overlain by the

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22

Frappier, Konrad Gajewski, Monique. "A Holocene lacustrine record of environmental change in northeastern Prince of Wales Island, Nunavut, Canada." Boreas 30, no. 4 (2001): 285–89. http://dx.doi.org/10.1080/030094801317094155.

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23

GAJEWSKI, KONRAD, and MONIQUE FRAPPIER. "A Holocene lacustrine record of environmental change in northeastern Prince of Wales Island, Nunavut, Canada." Boreas 30, no. 4 (2008): 285–89. http://dx.doi.org/10.1111/j.1502-3885.2001.tb01047.x.

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Johns, Shannon M., T. Kurtis Kyser, and Herwart H. Helmstaedt. "Character of fluids associated with hydrothermal alteration and metamorphism of Palaeoproterozoic submarine volcanic rocks, Baffin Island, Nunavut, Canada." Precambrian Research 145, no. 1-2 (2006): 93–110. http://dx.doi.org/10.1016/j.precamres.2005.11.013.

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Regis, Daniele, and Mary Sanborn-Barrie. "U-Pb detrital zircon geochronological constraints on Siderian and Orosirian rocks of Boothia Peninsula and Somerset Island (Nunavut, Canada)." Precambrian Research 387 (April 2023): 106991. http://dx.doi.org/10.1016/j.precamres.2023.106991.

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Patzke, Mollie, J. Wilder Greenman, Galen P. Halverson, and Alessandro Ielpi. "The initiation of the Mesoproterozoic Bylot basins (Nunavut, Arctic Canada) as recorded in the Nyeboe Formation, Fury and Hecla Group." Journal of Sedimentary Research 91, no. 11 (2021): 1166–87. http://dx.doi.org/10.2110/jsr.2020.185.

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ABSTRACT Reconstructing Precambrian sedimentary environments over broad cratonic regions often relies on a combination of facies, structural, and provenance analyses. The Mesoproterozoic (ca. 1270–1090 Ma) Fury and Hecla Group, exposed on the Melville Peninsula and northern Baffin Island (Nunavut, Canada), is considered broadly correlative with strata of the Borden, Hunting–Aston, and Thule basins (together referred to as the Bylot basins). We present the results of updated mapping and the first high-resolution sedimentologic and stratigraphic analysis of the lowermost unit in the Fury and Hec

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XUE, JIN-ZHUANG, and JAMES F. BASINGER. "Melvillipteris quadriseriatagen. et sp. nov., a new plant assigned to Rhacophytales from the Upper Devonian (Famennian) of Arctic Canada." Geological Magazine 153, no. 4 (2015): 601–17. http://dx.doi.org/10.1017/s0016756815000746.

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AbstractA new plant of Late Devonian (Famennian) age,Melvillipteris quadriseriatagen. et sp. nov., is reported from Melville Island, Nunavut, Canadian Arctic Archipelago. Main axes and two orders of lateral branches are recognized. The main axes are monopodial in habit, with a zigzag and/or upright appearance and dense adventitious roots attached on some internodes. First-order branches are inserted on the main axes in distichous pairs, showing a quadriseriate pattern (i.e. alternate pairs); they bear one or two sterile ultimate appendages on the proximal portions, and then distally bear alter

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Dummann, W., C. Schröder-Adams, P. Hofmann, J. Rethemeyer, and J. O. Herrle. "Carbon isotope and sequence stratigraphy of the upper Isachsen Formation on Axel Heiberg Island (Nunavut, Canada): High Arctic expression of oceanic anoxic event 1a in a deltaic environment." Geosphere 17, no. 2 (2021): 501–19. http://dx.doi.org/10.1130/ges02335.1.

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Abstract The Early Cretaceous oceanic anoxic event (OAE) 1a documents a major perturbation of the global carbon cycle with severe consequences for the ocean-climate-biosphere system. While numerous studies over the past decades have provided a relatively detailed picture of the environmental repercussions of OAE 1a at low and mid-latitudes, studies from high latitudes, in particular the High Arctic, are limited. In this study, we present a high-resolution carbon isotopic and sequence stratigraphic framework for the lower to lower upper Aptian interval of the Isachsen Formation of the High Arct

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Jober, S. A., K. Dewing, and J. C. White. "Structural geology and Zn-Pb mineral occurrences of northeastern Cornwallis Island: implications for exploration of the Cornwallis Fold Belt, northern Nunavut." Bulletin of Canadian Petroleum Geology 55, no. 2 (2007): 138–59. http://dx.doi.org/10.2113/gscpgbull.55.2.138.

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Michelutti, Neal, Kathryn M. McCleary, Dermot Antoniades, et al. "Using paleolimnology to track the impacts of early Arctic peoples on freshwater ecosystems from southern Baffin Island, Nunavut." Quaternary Science Reviews 76 (September 2013): 82–95. http://dx.doi.org/10.1016/j.quascirev.2013.06.027.

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Lacelle, Denis, Véronique Juneau, André Pellerin, Bernard Lauriol, and Ian D. Clark. "Weathering regime and geochemical conditions in a polar desert environment, Haughton impact structure region, Devon Island, Canada." Canadian Journal of Earth Sciences 45, no. 10 (2008): 1139–57. http://dx.doi.org/10.1139/e08-063.

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This study examines the physical and geochemical properties of near-surface sediments, as well as the geochemical and stable O–H–C isotope composition of (ground)surface waters in and around the Haughton impact structure region (Devon Island, Nunavut) to determine the types of weathering (mechanical, (bio)chemical) and their relative contribution in this polar desert environment. The surface sediments collected from the Allen Bay and Thumb Mountain formations surrounding the impact crater are dominated by sand-sized particles; whereas the impact melt breccias inside the crater have a greater a

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Reinhardt, Lutz, Werner von Gosen, Andreas Lückge, et al. "Geochemical indications for the Paleocene-Eocene Thermal Maximum (PETM) and Eocene Thermal Maximum 2 (ETM-2) hyperthermals in terrestrial sediments of the Canadian Arctic." Geosphere 18, no. 1 (2022): 327–49. http://dx.doi.org/10.1130/ges02398.1.

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Abstract During the late Paleocene to early Eocene, clastic fluvial sediments and coals were deposited in northern high latitudes as part of the Margaret Formation at Stenkul Fiord (Ellesmere Island, Nunavut, Canada). Syn-sedimentary tectonic movements of the Eurekan deformation continuously affected these terrestrial sediments. Different volcanic ash layers occur, and unconformities subdivide the deposits into four sedimentary units. Rare vertebrate fossils indicate an early Eocene (Graybullian) age for the upper part of the Stenkul Fiord outcrop. Here, we present carbon isotope data of bulk

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From, R. E., A. Camacho, D. G. Pearson, and Y. Luo. "U-Pb and Lu-Hf isotopes of the Archean orthogneiss complex on eastern Hall Peninsula, southern Baffin Island, Nunavut: Identification of exotic Paleo- to Mesoarchean crust beneath eastern Hall Peninsula." Precambrian Research 305 (February 2018): 341–57. http://dx.doi.org/10.1016/j.precamres.2017.12.024.

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Zentilli, Marcos, Christopher R. Omelon, Jacob Hanley, and Darren LeFort. "Paleo-Hydrothermal Predecessor to Perennial Spring Activity in Thick Permafrost in the Canadian High Arctic, and Its Relation to Deep Salt Structures: Expedition Fiord, Axel Heiberg Island, Nunavut." Geofluids 2019 (June 2, 2019): 1–33. http://dx.doi.org/10.1155/2019/9502904.

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It is surprising to encounter active saline spring activity at a constant 6°C temperature year-round not far away from the North Pole, at latitude 79°24′N, where the permafrost is ca. 600 m thick and average annual temperature is -15°C. These perennial springs in Expedition Fiord, Queen Elizabeth Islands, Canadian Arctic Archipelago, had previously been explained as a recent, periglacial process. However, the discovery near White Glacier (79°26.66′N; 90°42.20′W; 350 m.a.s.l.) of a network of veins of hydrothermal origin with a similar mineralogy to travertine precipitates formed by the springs

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Day, James M. D., D. Graham Pearson, Bruce A. Kjarsgaard, et al. "Early Eocene Arctic volcanism from carbonate-metasomatized mantle." Contributions to Mineralogy and Petrology 178, no. 12 (2023). http://dx.doi.org/10.1007/s00410-023-02068-y.

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AbstractMelilitite, nephelinite, basanite, and alkali basalt, along with phonolite differentiates, form the Freemans Cove Complex (FCC) in the south-eastern extremity of Bathurst Island (Nunavut, Canada). New 40Ar/39Ar chronology indicates their emplacement between ~ 56 and ~ 54 million years ago within a localized extensional structure. Melilitites and nephelinites, along with phonolite differentiates, likely relate to the beginning and end phases of extension, whereas alkali basalts were emplaced during a main extensional episode at ~ 55 Ma. The melilitites, nephelinites, and alkali basalts

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Virginia L. Passmore, Barry G. West. "The Cretaceous Bathurst Island Group - Its Exploration Promise: ABSTRACT." AAPG Bulletin 79 (1995). http://dx.doi.org/10.1306/7834f0a1-1721-11d7-8645000102c1865d.

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Naber, T. V., S. E. Grasby, J. P. Cuthbertson, N. Rayner, and C. Tegner. "New constraints on the age, geochemistry, and environmental impact of High Arctic Large Igneous Province magmatism: Tracing the extension of the Alpha Ridge onto Ellesmere Island, Canada." GSA Bulletin, December 16, 2020. http://dx.doi.org/10.1130/b35792.1.

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The High Arctic Large Igneous Province (HALIP) represents extensive Cretaceous magmatism throughout the circum-Arctic borderlands and within the Arctic Ocean (e.g., the Alpha-Mendeleev Ridge). Recent aeromagnetic data shows anomalies that extend from the Alpha Ridge onto the northern coast of Ellesmere Island, Nunavut, Canada. To test this linkage we present new bulk rock major and trace element geochemistry, and mineral compositions for clinopyroxene, plagioclase, and olivine of basaltic dykes and sheets and rhyolitic lavas for the stratotype section at Hansen Point, which coincides geographi

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Sansoulet, Julie, Michèle Therrien, Joseph Delgove, et al. "An update on Inuit perceptions of their changing environment, Qikiqtaaluk (Baffin Island, Nunavut)." Elementa: Science of the Anthropocene 8, no. 1 (2020). http://dx.doi.org/10.1525/elementa.025.

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The Inuit of Qikiqtaaluk (Baffin Island) have developed a deep respect for their natural environment and are able to report not only changes in weather, ice, and natural resources but also changes in their communities as a result of climate change. The objective of this study was to shed light on how the impacts of climate change are currently perceived in the communities of Kanngiqtugaapik, Pangniqtuuq, and Qikiqtarjuaq. In order to construct a shared knowledge base, we conducted qualitative video interviews and participated in a hunting camp with multigenerational and multigender Inuit hunte

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Cheng, Wenhan, Linda E. Kimpe, Mark L. Mallory, John P. Smol, and Jules M. Blais. "An ~1100 yr record of human and seabird occupation in the High Arctic inferred from pond sediments." Geology, December 21, 2020. http://dx.doi.org/10.1130/g48215.1.

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Seabirds in the Canadian Arctic congregate in large colonies, producing oases of biological productivity and diversity in coastal regions. Here, we examined sterols, stanols, and stable isotopes (δ15N and δ13C) in three 14C-dated pond sediment cores near a large seabird colony and archaeological site on Devon Island (Nunavut, Canada), showing historical occupation by the seabirds and an ancient human (Thule or Norse) settlement over an ~1100 yr time period. Coprostanol in the sediment records captures the presence of humans at ca. 1150 CE, followed by their abandonment of the site by ca. 1300

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Castro de la Guardia, Laura, Karen Filbee-Dexter, Jillian Reimer, et al. "Increasing depth distribution of Arctic kelp with increasing number of open water days with light." Elementa: Science of the Anthropocene 11, no. 1 (2023). http://dx.doi.org/10.1525/elementa.2022.00051.

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Kelps are a dominant macrophyte group and primary producer in Arctic nearshore waters that provide significant services to the coastal ecosystem. The quantification of these services in the Arctic is constrained, however, by limited estimates of kelp depth extent, which creates uncertainties in the area covered by kelp. Here, we test the environmental drivers of the depth extent of Arctic kelp. We used Southampton Island (SI), Nunavut, Canada, as an example region after an initial survey found deep Arctic kelp (at depths to at least 50 m) with relatively low grazing pressure within diverse hyd

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