Blewett Watershed - Geology
Legend
Blewett Watershed

Bedrock Geology

City of Nelson Boundary
Body of Water
Aquifer
Creek
#

Peak
Index Contour (200 m)
Intermediate Contour (40 m)
Community
Groundwater Well

C Mine - active
C Mine - historic

AU

Fault

Road
Paved
Loose
Rough
Overgrown

Geology
Argillite, siltstone
Argillite, siltstone, limestone
Granodiorite
K-spar granite
Mafic volcanics
Metadiorite, monzonite, monzodiorite,
gabbro
Monzonite, syenite, shonkinite
Plagioclase porphyry
Porphyritic granite, granodiorite,
granite gneiss
Porphyritic granite, granodiorite,
monzonite

0

0.5

1

2

3

4
Km

1:25,000
Datum: North American 1983
Projection: UTM Zone 11N

Surficial Geology

5
sh
iti
Br

East Side of
Kootenay Lake

Co
lum
a
bi

Nelson

Blewett
Watershed

Surficial Geology
Castlegar

Type
Rock
Sand loamy and loamy till
Sources: Esri, DeLorme, USGS, NPS

Sandy till
Glaciofluvial sand and gravel

Map Produced by: Jan Pindroch
Selkirk Geospatial Research Centre
June, 2016