Base de données de recherche des TNO

étiquettes: physical sciences, geology, glaciology

Objectif(s): To create a regional 1:1,000,000 scale glacial limits map with glacier extent of various ages, ice-flow indicators and drainage diversions.

Description du projet: The objective of this research is to create a regional 1:1,000,000 scale glacial limits map with glacier extent of various ages, ice-flow indicators and drainage diversions. The map will cover the Northwest Territories south from 66° 00’ 00” N and east of the continental divide. Work is mainly conducted through visual examination, description, measurement, and photography of surficial features. GPS units will locate the position of the sample sites and features of interest on maps. The field work is based largely on very short foot traverses, undertaken with helicopter support. Helicopters will be used to set out crews, pick them up, and ferry them between outcrop sites. The small two person crew will walk the land and study boulders. The crew will take small, thin rock samples from carefully selected erratic boulders using a rock saw, as well as a hammer and chisel, to remove 4 small wedges of rock from each boulder (1-2 cm deep, 15 cm long cuts) sampled. The four wedges together can fit into a shoe box or bread loaf size bag with room to spare. No camps will be required in the area. Efforts will be made to minimize potential impact on wildlife by keeping a safe distance, and to not disturb community members and park visitors enjoying the land. Information from this research will be of interest to communities and organizations, and to others (e.g., exploration interests, geoscience researchers, land-use planners, people interested in the local environment), and can assist socially and environmentally responsible resource development. This work may help local communities and organizations to understand where promising minerals occurrences might be located. It will not necessarily lead to new exploration or economic development in the area but it can help communities understand their land’s resource potential and develop it wisely. An activity report is planned for publication within 3 months of fieldwork and provided to local communities in follow up on engagement commitments. Detailed results and data will later be published as a publicly available map. The fieldwork for this study will be conducted from June 29, 2017 to August 6, 2017.