Mount Morgan Mine Upper Mundic Gully TSF EA Amendment

GROUNDWATER LOG Mt Morgan

DRIL HOLE NO. WGMB02 PROJECT NAME Mt Morgan tailings reprocessing and rehab CLIENT Hertiage Minerals Pty Ltd ADDRESS PO Box 6, Mt Morgan, QLD 4714 LICENCE NO.

DRILLING DATE 05/12/2025 TOTAL DEPTH 114 DIAMETER 150mm CASING 50 mm uPVC SCREEN 50mm uPVC Slotted

COORDINATES 230916, 7383921 COORD SYS WGS84 COMPLETION SURFACE ELEVATION 336.36 WELL TOC

COMMENTS Western side OCP

LOGGED BY SC CHECKED BY TMcD

Material Description

Well Diagram

concrete cement grout

D D

WEATHERED DIORITE: Yellowish brown, soft sand and silt with some clay. All original fabric destroyed. DIORITE: Fresh, very hard diorite comprising coarse-grained white plagioclase feldspar and black hornblende or biotite.

325

5

320

10

315

15

310

20

305

25

300

30

295

35

290

40

285

45

280

50

275

55

270

60

265

65

260

70

255

75

250

80

245

bentonite

85

240

90

235

95

230

backfill

100

225

105

220

110

215

115

Termination Depth at:114 m

210

120

205

125

200

Disclaimer This bore log is intended for environmental not geotechnical purposes produced by ESlog.ESdat.net on 08 Mar 2026

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