STRUCTURE, DEPTH & ISOPACH Alberta Geological Survey

Bedrock topography (DIG 2020-0022 tiles)

Colour-ramped elevation of the bedrock surface in metres above sea level.

Buried valleys and bedrock highs: where cover is thin (cheap stripping) and where preglacial gravels pool.

COMMODITIES IT DISCRIMINATES (5)

What this layer helps you find

Prairie Evaporite shallow subcrop (Fort McMurray)Salt (halite) & brine caverns · Shallow halite beneath the Athabasca oil sandsProfile ↗
Athabasca McMurray mineable and SAGD fairwayCrude bitumen (oil sands) · Lower Cretaceous McMurray fluvial-estuarine sand saturated with biodegraded oilProfile ↗

PROVENANCE

L13 · AGS Open Data Portal (surficial and bedrock geology)Alberta Geological Survey · Land · Free · OngoingRegistry source ↗

RELATED STRUCTURE, DEPTH & ISOPACH DATASETS (6)

Bedrock structures: faults, thrusts, fold axesAlberta Geological Survey · drawable
Sediment (drift) thickness above bedrockAlberta Geological Survey · drawable
Bedrock physiography / buried bedrock zonesAlberta Geological Survey · drawable
3D Provincial Geological Framework: Precambrian subcrop zonesAlberta Geological Survey · drawable
3D PGF depth-to-Precambrian grid (LERC, link only)Alberta Geological Survey · link only
Prairie Evaporite / Lotsberg salt thickness (publication)Alberta Geological Survey · link only