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Geophysics Gravity Bouguer Anomaly - 2km

The Yukon is underlain by a great variety of rock types ranging in age from Early Proterozoic to Recent. The various rock types are characterized by different densities and this map show those variations at the regional scale, with dense rocks represented by warm colours and lighter rocks shown in cool colours.

This Bouguer gravity map was compiled by Nathan Hayward, Geological Survey of Canada. Data used in this Bouguer gravity compilation, gridded at 2 km, are from ground-based, regional (~10 km station spacing) gravity surveys acquired by the Geological Survey of Canada and high-resolution (~2 km station spacing) surveys acquired for the Yukon Geological Survey. All surveys are reduced to a Bouguer density of 2670 kg/m3 and statically levelled to the regional data.

Corresponding regional gridded data can be downloaded, at no charge, from Natural Resources Canada's Geoscience Data Repository for Gravity Data at http://gdrdap.agg.nrcan.gc.ca/ . High-resolution gravity data can be downloaded from the Yukon Geological Survey at https://data.geology.gov.yk.ca/

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: [email protected]

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