458 record(s) found with the tag "geology" (multi-year projects are grouped):
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Did the formation of the Great Unconformity trigger oxygenation and the Cambrian explosion?
Principal Investigator: Macdonald, Francis A
Licensed Year(s): 2019
Summary: This proposal aims to constrain the timing, magnitude, and spatial heterogeneity of erosion that lead to development of the Great Unconformity (GU) to test hypotheses for oxygenation and the Cambrian explosion. The GU is one of the most geologically significant and largest temporal gaps in the rock record, marking the boundary between Precambrian and Phanerozoic time. It has been proposed that ero...


Cambrian stratigraphy and paleontology
Principal Investigator: Pratt, Brian R.
Licensed Year(s): 2019
Summary: Sedimentary rocks of Cambrian age (~500 million years old) are the oldest Phanerozoic strata in the Mackenzie River valley region and record the spread of a shallow sea over much older strata. The approximate age of these rocks is known via trilobite fossils based on reconnaissance collections made in the 1960s and 2010s. The purpose of the project is to make more closely spaced fossil collections...


Neoproterozoic stratigraphy, Mackenzie Mountains II
Principal Investigator: Turner, Elizabeth C
Licensed Year(s): 2019
Summary: The objective of this research is to addresses the history of Earth-surface environments between 1 billion and 700 million years ago. The objective for 2019 is to complete a sample suite used by a Master of Science student. Each base-camp of 2 people will be deployed by helicopter, and after that, all work will be done on foot, with no motorised equipment. Working on mountainside exposures, the...


Teleseismic investigations of the crust and mantle structure beneath Banks Island, NWT
Principal Investigator: Audet, Pascal
Licensed Year(s): 2019 2018 2017 2016 2015
Summary: This project is aimed at understanding the structure and evolution of the crust and mantle beneath Banks Island in the western Arctic by analyzing new seismic data collected from an array of broadband seismic stations. The objective is to provide information on crustal and mantle structures to determine whether Banks Island forms a rifted margin, or forms the northern extension of the Canadian Shi...


Southern Mackenzie Surficial Mapping
Principal Investigator: Paulen, Roger C.
Licensed Year(s): 2019 2018 2017
Summary: Activities in the study are focused on making a map of the surface sediments. The map will help to understand surface material distribution and thickness, how these materials were deposited by glaciers, and where the bedrock outcrops. Soil samples will be collected across the study area. The mineralogical and geochemical analyses of these samples will help to understand where the materials were de...


Stratigraphic Studies, Mackenzie Mountains
Principal Investigator: Fischer, Beth J
Licensed Year(s): 2019 2018
Summary: The goal is to examine sedimentary rocks in the area of interest in order to develop an understanding of the geological processes that formed the area. The research team hope to acquire a better understanding of the events hundreds of millions of years ago that laid down the sediments, lithified them, uplifted and deformed them. Of particular interest are the processes of sedimentation across the ...


Nonacho bedrock mapping project
Principal Investigator: Martel, Edith
Licensed Year(s): 2019 2018
Summary: This project will examine sedimentary and volcanic rocks that were deposited on an old craton, in a basin that formed during the collision of two cratons. The research team aim to document which cratons were responsible for the basin’s formation and at what time they collided. The research team will spend 20 days in the field using mainly a boat and a helicopter to access areas of interest. The...


Understanding changes in aquatic ecosystem health and water quality in the Fort Good Hope – Ramparts Area
Principal Investigator: Gurney, Kirsty E.
Licensed Year(s): 2019 2018 2017
Summary: The project aims to build community partnerships, identify field sites, and develop and implement sampling protocols for long term, community-based, monitoring of wetland ecosystems near Fort Good Hope (FGH). Whereas some wetlands in the study area have either already been, or are likely to be, impacted by a wide range of industrial activities, including development of oil and gas and associat...


Neoproterozoic stratigraphy, Mackenzie Mountains
Principal Investigator: Turner, Elizabeth C
Licensed Year(s): 2019 2018 2017
Summary: This continuing research addresses the history of Earth-surface environments between about 1 billion and 700 million years ago. The objective for 2019 is to obtain field measurements and samples. A base-camp of two people will be deployed by helicopter, and all work done on foot. Working on mountainside rock exposures, the research team will collect fist-sized samples for later geochemical anal...


Yukon-Northwest Seismic Network: Characterizing Earthquakes and Earth Structures
Principal Investigator: Audet, Pascal
Licensed Year(s): 2019 2018 2017 2016 2015 2014 2013
Summary: The objectives of this research project are: 1) to continue the detection and characterization of earthquakes occurring within the northern Canadian Cordillera (Mackenzie Mountains) and surrounding areas, which are one the most seismically active areas of Canada; and 2) to study the Earth structures at large depths (0 to 100 km) to understand the formation and evolution of the Cordillera. To this ...


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