Atlantic Geoscience Society Abstracts: 37Th Annual Colloquium & Annual General Meeting 2011
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Document generated on 09/28/2021 10:41 a.m. Atlantic Geology Atlantic Geoscience Society Abstracts 37th Annual Colloquium & Annual General Meeting 2011 Volume 47, 2011 URI: https://id.erudit.org/iderudit/ageo47abs01 See table of contents Publisher(s) Atlantic Geoscience Society ISSN 0843-5561 (print) 1718-7885 (digital) Explore this journal Cite this document (2011). Atlantic Geoscience Society Abstracts: 37th Annual Colloquium & Annual General Meeting 2011. Atlantic Geology, 47, 9–53. All rights reserved © Atlantic Geology, 2011 This document is protected by copyright law. Use of the services of Érudit (including reproduction) is subject to its terms and conditions, which can be viewed online. https://apropos.erudit.org/en/users/policy-on-use/ This article is disseminated and preserved by Érudit. Érudit is a non-profit inter-university consortium of the Université de Montréal, Université Laval, and the Université du Québec à Montréal. Its mission is to promote and disseminate research. https://www.erudit.org/en/ atlantic geology . volume 47 . 2011 9 Atlantic Geoscience Society ABSTRACTS 37th Annual Colloquium & Annual General Meeting 2011 Fredericton, new Brunswick The 2011 Colloquium & Annual General Meeting was held at the Fredericton Inn, Fredericton, New Brunswick, on February 11 and 12, 2011. On behalf of the society, we thank Colloquium Chairman Dave Keighley and his organizing committee (Kay Thorne, Dave Lentz, Joe MacIntosh, Chris McFarlane, Susan Johnson, Mike Parkhill, Elisabeth Kosters, Sherry McCoy, Grant Ferguson, Pierre Jutras, Rob Raeside, Brian Roulston, Cliff Shaw, and the student volunteers from the Department of Geology, University of New Bruns- wick) for providing an excellent meeting. We also wish to acknowledge support of the corporate sponsors: Potash Corp.(Potash Company of Saskatchewan); SWN Resources; Agilent Technologies; Resonetics; Asso- ciation of Professional Engineers and Geoscientists of New Brunswick; Geodex Minerals; Apache; Natural Resources Canada, Geological Survey of Canada (Atlantic); Cache Exploration; C.I.M. (New Brunswick Branch); and Corridor Resources. In the following pages, we are pleased to publish the abstracts of oral presentations and posters from the Colloquium, which focused on the following themes: New Developments in the Appalachian Orogen: a Symposium in Honour of Hank Williams; Groundwater Vulnerability in Atlantic Canada: Climate Change, Sea Water Intrusion, Agriculture, and Other Stressors; Carboniferous Basins: Toward a Better Understand- ing of their Resource Potential; Surficial Materials and the Environment; Ordovician Metallogeny in the Appalachian Orogen; Siluro-Devonian Metallogeny in the Appalachian Orogen; New Developments in Atlantic Geoscience; a workshop on Laser Ablation ICP-MS: Theory and Practice Applied to Mineral Ex- ploration and Ore Petrogenesis; and a tour of the Sussex Potash Mine. tHe editors atlantic geology 47, 9–53 (2011) Copyright © Atlantic Geology, 2011 0843-5561|08|00009–45$7.75|o atlantic geology . volume 47 . 2011 10 Examining potential sea-water intrusion in past and New surficial mapping initiative current public water supply wells, in New Brunswick southwest Newfoundland Serge Allard Trina Adams Geological Surveys Branch, New Brunswick Department of Water Resources Management Division, Department of Natural Resources, P.O. Box 6000, Fredericton, New Brunswick Environment and Conservation P.O. Box 8700, Confederation E3B 0B6, Canada <[email protected]> Building, West Block, 4th Floor, St. John’s, Newfoundland and Labrador A1B 4J6, Canada <[email protected]> A comprehensive understanding of surficial geology is es- sential to the socio-economic fabric of New Brunswick. It is Due to the growing concern about climate change and its the responsibility of the New Brunswick Department of Natu- current and future impact on coastal communities, adapta- ral Resources (NBDNR), Geological Surveys Branch (GSB) to tion is essential to carry on in a changing climate. The Atlantic delineate, describe, and analyze surficial materials in order to Canada Adaptation Solutions (ACAS) Project is a partnership generate client-oriented products that: (1) help to locate con- by the Atlantic Provinces in Canada and Natural Resources struction aggregate resources (i.e. sand, gravel, clay, etc.); (2) Canada (NRCan) to work alongside local communities, orga- are relevant to the mineral exploration community; (3) pro- nizations, and professionals to investigate the susceptibility and vide useful baseline geological information to agencies involved influence of climate change and to offer a basis for community with land-use planning, groundwater resources, forestry, and acclimatization decisions. While the Newfoundland and Labra- agriculture, and; (4) help to identify landforms and sediment dor, Department of Environment and Conservation has taken characteristics that present hazards to public health and safety. the lead for inland land use and vulnerability studies, extra ef- In 2009, the Geological Surveys Branch initiated a map- forts are in progress to investigate the impact of sea level rise ping program with the aim of improving the quality and avail- on groundwater reservoirs. These efforts will serve to identify ability of surficial geology maps for southern New Brunswick. municipal groundwater supplies thought to be at risk of salt Although various types of surficial geology data have been sys- water intrusion due to sea level rise. tematically collected over the past three decades, only modest Based on the International Panel for Climate Change, pre- effort had gone into synthesizing surficial geology maps. Cur- dictions of local sea level rise have been made for four zones rent datasets could be considered under-utilized. Older maps in Newfoundland and Labrador. The southwest portion of are available for some areas, but these maps don’t share a com- the island falls within zone 2 where sea water for the region mon mapping approach, scale, or legend. In some cases they is expected to rise less than 2 mm per year. This equates to a are inadequate or difficult for clients to access. Throughout the projected sea level rise of 40 cm by the year 2049 and greater past decade, the GSB has put a lot of emphasis on the compila- than 100 cm by the year 2099. The highest risk communities tion and publication of standardized digital bedrock geology within zone 2 have hydrogeologic units consisting primarily of maps. Likewise, the current initiative to compile 1:50 000 scale glaciofluvial sand and gravel deposits with varying thicknesses surficial geology maps for southern New Brunswick should be of 1.5 to 50 m; Carboniferous sedimentary bedrock, or a com- viewed as the first step towards a standardized set of surficial bination of the two units. Both units have the highest yield for geology maps for New Brunswick. the southwest region and the highest potential for sea water Through consultation with staff form NBDNR, other gov- contamination caused by groundwater recharge. ernment agencies, and industry, a new mapping methodology A recent field excursion to communities along the Port au and unit classification system was developed. The new mapping Port Peninsula and St. Georges Bay area helped identify towns approach relies equally on the acquisition of field data and aer- that have abandoned or soon to be abandoned wells. During ial photo/satellite radar/LIDAR imagery interpretation. Field the spring of 2011, parameters such as conductivity, tempera- mapping and the compilation of existing data were initiated ture, and static water level will be measured on selected wells in 2009 and to date, 1:50 000 maps have been compiled for and grab samples will be collected and further analyzed for the St. George (NTS 21 G/2), McDougall Lake (NTS 21 G/7), chloride and sodium. The results, available well construction and Fredericton Jct. (NTS 21 G/10) map areas. A complete data, and community cooperation will be deciding factors for set of maps for southwestern New Brunswick (NTS 21G) will which wells will be selected for long term observation. be made available to NBDNR clients and the general public within 5 years. AGS ABstracts– 37th Annual Colloquium & Annual General Meeting 2011 Copyright © Atlantic Geology, 2011 atlantic geology . volume 47 . 2011 11 Field relations, petrology, and tectonic setting Resource potential of the Maritimes Basin, of the Ordovician West Barneys River Plutonic Suite, New Brunswick, Canada southern Antigonish Highlands, Nova Scotia N.J. Atkinson, J.C. Pol, and A.O. SlaugHter D.B. ArcHiBald1, S.M. Barr1, C.E. WHite2, J.B. Southwestern Energy, 2350 N. Sam Houston Pkwy E., MurpHy3, and E.A. Escarraga1 Houston, Texas 77302, USA 1. Department of Earth and Environmental Science, Acadia University, Wolfville, Nova Scotia B4P 2R6, Canada The Maritimes Basin is a Carboniferous-age basin in Eastern <[email protected]> ¶ 2. Nova Scotia Department of Canada. Although much of the basin lies offshore in the Gulf Natural Resources, P.O. Box 698, Halifax, Nova Scotia B3J 2T9, of St. Lawrence, the largest onshore extent of the basin lies in Canada ¶ 3. Department of Earth Sciences, St. Francis Xavier New Brunswick and Nova Scotia. The Maritimes Basin formed University, Antigonish, Nova Scotia B2G 2W5, Canada as a series of pull-apart basins related to strike-slip movement along major fault systems similar to the modern-day San An- The Antigonish Highlands in northern mainland Nova Sco- dreas fault system of California. This event post-dated the con-