Bedrock Geology 074512001Mi0235D01

Legend
Legend
Portrane WwTW
WwTW
Portrane
Main Trunk Sewers
Andesite,
Andesite, tuff,
tuff,
pebbly mudstone,
mudstone, shale
shale
pebbly
9B Sewer
9C Sewer
City Centre Sewer
Dodder Valley Sewer
From Dun Laoghaire
Grand Canal Tunnel
Meakstown / Poppintree Sewer
North Dublin Drainage Scheme
North Fringe Sewer
Northern Interceptor
Portmarnock / Baldoyle Sewer
Shanganagh Trunk Sewer
From Sutton Pumping Station
Swords WwTW
WwTW
Swords
Calcareous shale,
shale,
Calcareous
limestone
limestone conglomerate
conglomerate
11
Malahide
Malahide WwTW
WwTW
00
11
22
33
kilometres
kilometres
Kilbride PS
PS
Kilbride
Scale:
Scale: 1:50,000
1:50,000 at
at A1
A1
Argillaceous
Argillaceous bioclastic
bioclastic
limestone,
limestone, shale
shale
Conglomerate,
Conglomerate,
shale, limestone
limestone
shale,
Pumping Station
(Only selceted features shown)
Massive
Massive unbedded
unbedded
fine-grained
fine-grained limestone
limestone
Wastewater Treatment Works
Calcareous
Calcareous shale,
shale,
limestone
limestone conglomerate
conglomerate
Dark-grey to
to black
black limestone
limestone &
& shale
shale
Dark-grey
Argillaceous bioclastic
bioclastic
Argillaceous
limestone,
limestone, shale
shale
Massive unbedded
unbedded
Massive
fine-grained limestone
limestone
fine-grained
Sutton
Sutton PS
PS
Ballymun
Ballymun PS
PS
Leixlip WwTW
WwTW
Leixlip
50
0
100
Kilometers
Fossiliferous
Fossiliferous
dark-grey
dark-grey
muddy limestone
limestone
muddy
Main
Main Lift
Lift PS
PS
Calcareous shale,
shale,
Calcareous
limestone
limestone conglomerate
conglomerate
Ringsend WwTW
WwTW
Ringsend
Project
Greater Dublin
Strategic Drainage Study
Title
Initial Strategy Review
Dark-grey to
to black
black limestone
limestone &
& shale
shale
Dark-grey
Dun
Dun Laoghaire
Laoghaire PS
PS
Bedrock Geology
Granite
Granite with
with
microcline phenocrysts
phenocrysts
microcline
Figure
Pale grey
grey fine
fine
Pale
to coarse-grained
coarse-grained granite
granite
to
Calcareousgreywacke
greywacke
Calcareous
siltstone &
& shale
shale
siltstone
Issue Details
Darkslate-schist,
slate-schist,
Dark
quartzite
quartzite &
& coticule
coticule
Coarsegreywacke
greywacke
Coarse
&
& shale
shale
Greywacke siltstone,
siltstone,
Greywacke
slate, quartzite
quartzite
slate,
F3
Drawn:
HaukeSteinberg
Project No.
Checked:
Jean Fenwick
File Ref.
Approved: Ciaran O’Keeffe
Granite with
with
Granite
muscovitephenocrysts
phenocrysts
muscovite
Bray // Shanganagh
Shanganagh WwTW
WwTW
Bray
074 512 001
074512001Mi0235D01
Scale:
1 : 50,000 at A1
Drawing No.
Date:
18.10.2002
Notes
1. This drawing is the property of M. C. O’Sullivan & Co. Ltd. It is
a confidential document and must not be copied, used, or its
contents divulged without prior written consent.
2. All levels are referred to Ordnance Datum, Malin Head.
3. NOT TO SCALE, use figured dimensions only, if in doubt ask.
4. Ordnance Survey Ireland Licence No. EN 0005002 Copyright
Government of Ireland.
0235
Rev.
D01