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2000 to Present
Contributions to Journals (student co-authors underlined)
Aspler, L.B., Chiarenzelli, J.R., and Cousens, B.L., 2004. Fluvial, lacustrine, and volcanic sedimentation in the Angikuni sub-basin, and initiation of ~ 1.84-1.79 Ga Baker Lake Basin, western Churchill Province, Nunavut, Canada. Precambrian Research, 129, 225-250.
Cousens, B.L., Aspler, L.B., and Chiarenzelli, J.R., 2004. Dual sources of ensimatic magmas, Hearne domain, western Churchill Province, Nunavut, Canada: Neorchean “infant arc” processes? Precambrian Research, 134/1-2, 169-188.
Hanmer, S., Sandeman, H.A., Davis, W.J., Aspler, L.B., Rainbird, R.H., Ryan, J.J., Relf, C., Peterson, T.D., 2004. Neoarchean tectonic setting of the Central Hearne supracrustal belt, western Churchill Province, Nunavut, Canada. Precambrian Research, 134/1-2, 63-83.
Rainbird, R.H., Hadlari, T., Aspler, L.B., Donaldson, J.A., LeCheminant, A.N., Peterson, T.D. 2003. Sequence stratigraphy and evolution of the Paleoproterozoic intracontinental Baker Lake and Thelon basins, western Churchill Province, Nunavut, Canada. Precambrian Research, 125, 21-53.
Aspler, L.B., Cousens, B.L., and Chiarenzelli, J.R., 2002. Griffin gabbro sills (2.11 Ga), Hurwitz Basin, Nunavut, Canada: long-distance intracratonic transport of mafic magmas in western Churchill Province crust. Precambrian Research, 117, 269-294.
Aspler, L.B., Chiarenzelli, J.R., and McNicoll, V.J., 2002. Basement-cover infolding and thick-skinned thrusting in Hearne domain, Nunavut, Canada: Paleoproterozoic intracratonic response to Trans-Hudson orogen. Precambrian Research, 116, 331-354.
Aspler, L.B., Chiarenzelli, J.R., Cousens, B.L., McNicoll, V.J., and Davis, W.J., 2001. Paleoproterozoic intracratonic basin processes, from breakup of Kenorland to assembly of Laurentia: Hurwitz Basin, Nunavut, Canada. Sedimentary Geology, 141-142: 287-318.
Chiarenzelli, J.R., Aspler, L.B., Dunn, C., Cousens, B.R., Ozarko, D., and Powis, K. 2001. Multi-element and rare earth element composition of lichens, mosses, and vascular plants from the central barrenlands, Nunavut, Canada. Applied Geochemistry, 16, 245-270.
Cousens, B.L., Aspler, L.B., Chiarenzelli, J.R., Donaldson, J.A., Sandeman, H., Peterson, T.L., and LeCheminant, A.N., 2001. Enriched Archean lithospheric mantle beneath Western Churchill Province tapped during Paleoproterozoic orogenesis. Geology, 29, 827-830.
Eriksson, P.G., Martins-Neto, M.A., Nelson, D.R., Aspler, L.B., Chiarenzelli, J.R., Catuneanu, O., Sarkar, S., Altermann, W., and Rautenbach, C.J. de W., 2001. An introduction to Precambrian basins: their characteristics and genesis. Sedimentary Geology, 141-142, 1-35.
Contributions to books and special volumes
Cousens, B.L., Chiarenzelli, J.R., and Aspler, L.B., 2004. An unusual Paleoproterozoic magmatic event, the ultrapotassic Christopher Island Formation, Baker Lake Group, Nunavut, Canada: Archean mantle metasomatism and Paleoproterozoic mantle reactivation. In: Eriksson, P., Altermann, W., Nelson, D., Mueller, W., Catuneanu, O., and Strand, K., (Eds.) The Precambrian Earth: tempos and events. Elsevier, Amsterdam, pp. 183-200.
Donaldson, J.A., Aspler, L.B., and Chiarenzelli, J.R., 2004. Sedimentary structures: an essential key for interpreting the Precambrian rock record. In: Eriksson, P., Altermann, W., Nelson, D., Mueller, W., Catuneanu, O., and Strand, K., (Eds.) The Precambrian Earth: tempos and events. Elsevier, Amsterdam, pp. 602-612.
Rainbird, R.H., Aspler, L.B., Chiarenzelli, J. R. Mustard, P.S. (editors) 2004. Some Advances in the Study of Proterozoic Sedimentary Basins of North America. Precambrian Geology Special Issue, 129.
Aspler, L.B., and Chiarenzelli, J. R., 2002. Mixed siliciclastic-carbonate ramp sedimentation in a rejuvenated Paleoproterozoic intracratonic basin: upper Hurwitz Group, Nunavut, Canada. In: Altermann, W. and Corcoran, P. (Eds.), Precambrian Sedimentary Environments: a Modern Approach to Ancient Depositional Systems. International Association of Sedimentologists Special Publication, 33, 293-321.
Eriksson, P.G., Catuneanu, O., Aspler, L.B., Chiarenzelli, J.R. and Martins-Neto, M.A., 2001 (editors). The influence of magmatism, tectonics, sea level change and palaeo-climate on Precambrian basin evolution: change over time. Special Issue, 141-142, Sedimentary Geology, 525p.
Government papers (student co-authors underlined)
Davis, W.J., Rainbird, R.H., Aspler, L.B., and Chiarenzelli, J.R., 2005. Detrital zircon geochronology of the Paleoproterozoic Hurwitz and Kiyuk groups, western Churchill Province, Nunavut. Geological Survey of Canada Current Research 2005-F1, 15p.
Aspler, L.B., Pilkington, M., and Miles, W.F., 2003. Interpretations of Precambrian basement based on recent aeromagnetic data, Mackenzie Valley NWT. Geological Survey of Canada Current Research 2003-C2, 11p.
Berman, R.G., Davis, W.J., Aspler, L.B., and Chiarenzelli, J.R., 2002. SHRIMP U-Pb ages of multiple metamorphic events in the Angikuni Lake area, western Churchill Province, Nunavut. Geological Survey of Canada Current Research 2002-F3, 11pp.
Rainbird, R.H., Davis, W.J., Aspler, L.B., Chiarenzelli, J.R., and Ryan, J.J., 2002. Detrital zircon geochronology of enigmatic Neoarchean-Paleoproterozoic sedimentary rocks of the central Western Churchill Province. Geological Survey of Canada Current Research 2002-F5, 10 pp.
Aspler, L.B., Armitage, A.E., Ryan, J.J., Hauseux, M., Surmacz, S., and Harvey, B.J.A., 2000. Precambrian Geology, Victory and Mackenzie lakes, Nunavut Territory and significance of “Mackenzie Lake metasediments” (Paleoproterozoic Hurwitz Group). Geological Survey of Canada Current Research 2000-C10, 10 pp.
Aspler, L.B., Höefer, C., and Harvey, B.J.A., 2000. Geology of the Henik, Montgomery and Hurwitz groups, Sealhole and Fitzpatrick lakes area, Nunavut Territory: Geological Survey of Canada Current Research 2000-C 12, 12pp.
Recent abstracts (Student co-authors underlined)
Aspler, L., Chiarenzelli, J., Pullen, A., Ibanez-Mejia, M., Bratt, A., and Gardner, M., 2010. Paleoproterozoic erosion of mafic bodies as revealed by LA-MC-ICP-MS detrital zircon geochronology, Hurwitz Basin, Western Churchill Province, Nunavut, Canada. Geological Society of America Abstracts, Vol. 43, #1, p. 161.
Chiarenzelli, J., Aspler, L., Donaldson, J. A., Rainbird, R., Mosher, D., Regan, S., Ibanez-Mejia, M., and Franzi, D., 2010. Detrital zircons of Cambro-Ordovician sandstone units in eastern Ontario and northern New York. Geological Society of America Abstracts, Vol. 43, #1, p. 118.
Caesar, W., Mosher, D., Regan, S., Cousens, B., Aspler, L., Chiarenzelli, J., and Chiarenzelli, J.R., 2010. Nd Model Ages and Geochemistry of Devonian and Ordovician Shales of western and central New York. Geological Society of America Abstracts, Vol. 43, #1, p. 71-71.
Donaldson, J. A., Falck, H., and Aspler, L.B., 2007. Yellowknife geoheritage, emphasizing submarine volcanic eruptions, unique sedimentary deposits, and continental glaciation. Geol. Assoc. Can. Abstracts, 2007 Annual Meeting, Yellowknife.
Donaldson, J. A., Chiarenzelli, J.R., and Aspler, L.B., 2005. Siliciclastic biofilm structures and stromatolites: conditions for preservation. Geol. Assoc. Can. Abstracts, 2005 Annual Meeting, Halifax.
Donaldson, J. A., Chiarenzelli, J.R., and Aspler, L.B., 2005.Cambro-Ordovician stromatolite occurrences in the Ottawa region. Geol. Soc. Amer. Northeastern Section, 40th Annual Meeting, Saratoga Springs, New York.
Eriksson, P.G., Chiarenzelli, J.R., Aspler , L.B., and Catuneanu, O., 2004. Supercontinents, glaciation and atmospheric oxidation: an holistic hypothesis. Geol. Soc. Amer. Annual Meeting, 2004, Denver.
Aspler, L.B., and Ernst, R.E., 2003. Dyke-induced graben on Venus and Mars: analogues for Earth’s rock record? 34th Lunar and Planetary Conference, NASA Johnson Space Center.
Aspler, L.B., Chiarenzelli, J.R., and Cousens, B.L., 2002. Fluvial, lacustrine, and volcanic sedimentation during initiation of Baker Lake Basin, western Churchill Province, Nunavut. Geological Association of Canada Annual Meeting Abstracts with Program, 27: 4-5
Aspler, L.B., Pilkington, M., Miles, W.F., and Todd, J., 2002. Tectonic implications of recent high-resolution aeromagnetic data from the northern Mackenzie Valley, Northwest Territories. Geological Association of Canada Annual Meeting Abstracts with Program, 27: 4.
Aspler, L.B., Chiarenzelli, J.R., Cousens, B.L., Davis, W.J., McNicoll, V.J., and Rainbird, R.H., 2000. Intracratonic basin processes from breakup of Kenorland to assembly of Laurentia: new geochronology and models for Hurwitz Basin, western Churchill Province. GeoCanada 2000 Conference CD, Iron Leaf Communications, Calgary, Alberta.
Aspler, L.B., Chiarenzelli, J.R., Cousens, B.L., Davis, W.J., and MacLachlan, K., 2000. Archean rifted continental margin/back-arc basin and Archean to Paleoproterozoic transpression near the Snowbird tectonic zone at Angikuni Lake, western Churchill Province, Nunavut. GeoCanada 2000 Conference CD, Iron Leaf Communications, Calgary, Alberta.
Before 2000
Contributions to Journals (student co-authors underlined)
Aspler, L.B., and Chiarenzelli, J. R., 1998. Two Neoarchean supercontinents? evidence from the Paleoproterozoic. Sedimentary Geology, 120, 75-104.
Aspler, L.B., and Chiarenzelli, J. R.,1998. Precambrian glacial deposits. In: Introduction, Precambrian Clastic Sedimentary Systems. Sedimentary Geology, 120, 34-40.
Chiarenzelli, J.R., Aspler, L.B., and Villeneuve, M., 1998. Early Proterozoic evolution of the Saskatchewan Craton and its allochthonous cover, Trans-Hudson orogen. Journal of Geology, 106, 247-267.
Eriksson, P.G., Condie, K.C., Tirsgaard, H., Mueller, W.U., Altermann, W., Miall, A.D., Aspler, L.B., Catuneanu, O., and Chiarenzelli, J.R., 1998. Precambrian clastic sedimentation systems. Sedimentary Geology, 120, 5-53.
Aspler, L.B., and Chiarenzelli, J.R., 1997. Initiation of ca 2.45-2.1 Ga intracratonic basin sedimentation of the Hurwitz Group, Keewatin Hinterland, Northwest Territories, Canada. Precambrian Research, 81, 265-297.
Chiarenzelli, J. R., Aspler, L.B., Ozarko, D.L., Hall, G.E.M., Powis, K.B., and Donaldson, J.A., 1997. Heavy metals in lichens, southern District of Keewatin, Northwest Territories, Canada. Chemosphere, 35, 1329-1341.
Aspler, L.B., and Chiarenzelli, J. R., 1996: Stratigraphy, sedimentology and physical volcanology of the Henik Group, central Ennadai-Rankin greenstone belt, Northwest Territories, Canada: Late Archean paleogeography of the Hearne Province and tectonic implications. Precambrian Research, 77, 59-89.
Aspler, L.B., and Chiarenzelli, J.R., 1996. Relationships between the Montgomery Lake and Hurwitz groups, southern District of Keewatin NWT and stratigraphic revision of the lower Hurwitz Group. Canadian Journal of Earth Sciences, 33, 1243-1255.
Aspler, L.B., Chiarenzelli, J.R., and Bursey, T.L., 1994. Ripple marks in quartz arenites of the Hurwitz Group, Northwest Territories, Canada: evidence for sedimentation in a vast, Early Proterozoic, shallow, fresh-water lake: Journal of Sedimentary Research, 64A, 282-298.
Aspler, L.B., 1988. Stratigraphy and structure of Tent Outlier, Nonacho Basin, District of Mackenzie. Contributions to the Geology of the Northwest Territories, 3, 1-12.
Aspler, L.B., and Donaldson, J.A., 1986. Penecontemporaneous sandstone dykes in Nonacho Basin (Early Proterozoic) NWT: horizontal injection in vertical tabular fissures. Canadian Journal of Earth Sciences, 23, 827-838.
Aspler, L.B., and Donaldson, J.A., 1986. Paleoclimatology of Nonacho Basin (Early Proterozoic) Northwest Territories Canada. Palaeogeography, Palaeoclimatology and Palaeoecology, 56, 17-34.
Contributions to books and special volumes
Aspler, L.B., and Donaldson, J.A., 1985. Nonacho Basin (Early Proterozoic) Northwest Territories, Canada: sedimentation and deformation in a strike-slip setting. In: K.T. Biddle and N. Christie-Blick eds. Strike-Slip Deformation, Sedimentation and Basin Formation. Society of Economic Paleontologists and Mineralogists Special Publication 37, 193-210.
Government papers (student co-authors underlined)
Aspler, L.B., Chiarenzelli, J. R., Cousens, B.L., and Valentino, D., 1999. Precambrian geology, northern Angikuni Lake, and a transect across the Snowbird tectonic zone, western Angikuni Lake, Northwest Territories (Nunavut). Geological Survey of Canada Current Research 1999-C, 107-118.
Aspler, L.B., Barham, B.A., and Chiarenzelli, J. R., 1999. Results of integrated geological and aeromagnetic mapping, and recent exploration, Henik and Hurwitz groups, Noomut River, Northwest Territories (Nunavut). Geological Survey of Canada Current Research 1999-C, 157-168.
Aspler, L.B., Chiarenzelli, J. R., Powis, K., and Cousens, B.L., 1998. Progress report: Precambrian Geology of the Angikuni Lake area, District of Keewatin, NWT. Geological Survey of Canada Current Research 1998-C, 55-66.
Aspler, L.B., and Chiarenzelli, J.R., 1997. Archean and Proterozoic Geology of the North Henik Lake area, District of Keewatin, Northwest Territories. Geological Survey of Canada Current Research 1997-C, 145-155.
Aspler, L.B., and Chiarenzelli, J.R., 1997. A preliminary transect across east - central Angikuni Lake, District of Keewatin, Northwest Territories. Geological Survey of Canada Current Research 1997-C, 133-143.
Aspler, L.B., Chiarenzelli, J. R., Ozarko, D.L., and Powis, K.B, 1994: Geology of Archean and Proterozoic supracrustal rocks in the Otter and Ducker lakes area, southern District of Keewatin, Northwest Territories. Geological Survey of Canada Current Research 1994-C, 165-174.
Aspler, L.B., Chiarenzelli, J.R., and Bursey, T.L., 1993: Geology of Archean and Proterozoic supracrustal rocks in the Padlei belt, District of Keewatin. Geological Survey of Canada Paper 93-1C, 147-158.
Aspler, L.B., Bursey, T.L., and LeCheminant, A. N., 1992. Geology of the Henik, Montgomery Lake, and Hurwitz groups in the Bray-Montgomery Lakes and northeastern Ameto Lake (Noomut River) areas, southern District of Keewatin. Geological Survey of Canada Paper 92-1C, 157-170.
Aspler, L.B., and Bursey, T.L., 1990. Stratigraphy, sedimentation, dome and basin basement-cover infolding and implications for gold in the Hurwitz Group, Hawk Hill-Griffin-Mountain Lakes area, District of Keewatin. Geological Survey of Canada Paper 90-1C, 219-230.
Aspler, L.B., 1990. Economic significance of hot spring cherts: the Hawk Hill Member (Early Proterozoic Hurwitz Group), District of Keewatin. NWT Geology Division, Indian Affairs and Northern Development Canada, Yellowknife, Open File, 1990-22, 67pp.
Aspler, L.B., Bursey, T.L., and Miller, A.R., 1989. Sedimentology, structure and economic geology of the Poorfish-Windy thrust-fold belt, Ennadai Lake area, District of Keewatin, and the shelf to foreland transition in the foreland of Trans Hudson Orogen. Geological Survey of Canada Paper 89-1C, 143-155.
Aspler, L.B., 1989. Analysis of gossans, exploration guides and economic evaluation, Poorfish-Windy Thrust-Fold Belt, Ennadai Lake area, District of Keewatin. NWT Geology Division, Indian Affairs and Northern Development Canada, Yellowknife, Open File, EGS 1989-4, 43p.
Aspler, L.B., 1978. Surficial geology, permafrost and related engineering problems, Yellowknife, NWT. In Mineral Industry Report 1976, Northwest Territories. Indian Affairs and Northern Development Canada EGS 1978-11, p. 119-135. (Reprinted in Field Guide to Yellowknife Mining District, Geological Association of Canada, Mineral Deposits Division, 1987; 137-154).
van Breemen, O. and Aspler, L.B., 1994. Detrital zircon ages from Nonacho Basin, western Rae Province, Northwest Territories. Geological Survey of Canada Current Research 1994-F, 49-59.
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