Table 3.1
MMM groundwater monitoring bore network (information extracted from Robertson GeoConsultants (2010) and the MMM EA EPML00433013
Total depth (m bgs 1 )
Bore ID 2
Easting (MGA94 Zone 56) 7383519.57
Northing (MGA94 Zone 56)
Screen (m bgs 1 )
Screened lithology
Location comments
EA status
Top
Base
Linda Gully – Dumps E of Open Pit Open Cut/Mundic Creek catchment – Sandstone Gully Dam Open Cut/Mundic Creek catchment, Highwall of Mundic West Sump Downstream of Frog Hollow Downstream of Frog Hollow Shepherds Sub-catchment – Downstream of Shepherd’s Outer Dump No. 2 Mill sub-catchment – downgradient of the No.2 Diesel Sump
EA
MB2
232315.85
22.8
19.7
22.7
Saprolite
EA
MB3
7382936.28
231629.07
46.0
43.0
46.0
Waste rock
Bedrock (volcanics)
Non-EA
MB4-D
7382874.74
231838.73
48.5
44.0
47.0
MB5-D MB5-S
7382531.30 7382530.00
232544.26 232538.29
40.0 11.5
12.9
15.9 11.5
Tailings / saprolite
EA EA
Bedrock (volcanics)
8.5
MB7-D
7381414.51
231893.58
16.3
9.5
15.5
Bedrock (tonalite)
EA
MB8-D
7383513.32
232901.46
18.0
15.0
18.0
Fresh volcanics
EA
MB9
7384139.41 7382724.25
233049.11 232095.03
15.0 10.5
9.0 4.5
15.0 10.5
Bedrock (tonalite)
Nelson’s Gully
EA
Open Cut/Mundic Creek catchment- Downstream of Mundic West Sump Open Cut/Mundic Creek catchment – Near No.1 mill thickener
Non-EA
MB11
Saprolite
Bedrock (volcanics)
EA
MB14
7383121.87
232211.49
45.0
12.0
18.0
Table notes: 1. bgs = below ground surface 2. Bore IDs interchangeably include a zero for bore numbers <10 (i.e. MB5-D / MB05-D are the same bore)
GHD | Heritage Minerals Pty Ltd | 12638246 | Groundwater Quality Review 2024
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