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Surficial Geology Point 250k

The Yukon Geological Survey (YGS) has compiled over 195 surficial geology maps into a standardized GIS format, providing approximately 80% coverage of the territory. The maps range in scales from 1:250,000 to 1:10,000 with spatial overlap between scales. The original maps were produced by various agencies, including the Geological Survey of Canada, YGS, Yukon Government, universities, and the City of Whitehorse.

All original feature descriptions have been preserved and also converted to standardized values using the Yukon terrain classification system. The compilation includes 4 GIS datasets and supporting documents available for download via YGS integrated data system (YGSIDS) or GeoYukon. A .lyr file is provided to symbolize feature classes and differentiate overlapping maps at different scales. Additionally, there is a surficial geology map index.

The polygon attributes captured include surficial material, texture, age, surface expression, and geomorphological processes.

Line features include geological contacts, glacial limits, glacial landforms (cirques, arêtes, eskers, meltwater channels, moraines), and non-glacial landforms (faults, lineaments, landslides, escarpments).

Point features include field station, fossil and sample locations, glacial landforms (erratics, kames, kettles, drumlins, flutings), permafrost features (pingos, palsas, patterned ground, thermokarst depressions), and other non-glacial landforms (landslides, tors).

The map index provides information on each map publication such as author, map title, map scale, publisher.

These data are valuable for land-use applications in the territory, including: mineral and placer exploration, geotechnical engineering, infrastructure planning, granular resource assessments, permafrost modeling, agricultural assessments, forest management, and biophysical or ecological land classification.

Distributed from GeoYukon by the Government of Yukon . Discover more digital map data and interactive maps from Yukon's digital map data collection.

For more information: geomatics.help@yukon.ca

ChampsValeurs
Producteur
Dernière modification
2023-08-11
Publication initiale
2023-10-12
Source (URL)
Couverture géographique
Yukon
Licence
Data Dictionary

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