Mount Morgan Mine Upper Mundic Gully TSF EA Amendment

GROUNDWATER LOG Mt Morgan

DRIL HOLE NO. WGMB01 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 16/12/2025 TOTAL DEPTH 48 DIAMETER 150mm CASING 50 mm uPVC SCREEN 50mm uPVC Slotted

COORDINATES 231072, 7383286 COORD SYS WGS84 COMPLETION SURFACE ELEVATION 328.28 WELL TOC

COMMENTS Western side OCP

LOGGED BY SC CHECKED BY TMcD

Material Description

Well Diagram

328

D D

WASTE MATERIAL: Rubble comprising various local lithologies including granitoids, metasediments, highly altered granitoids and massive sulphides. Highly variable clast sizes from fine sand to boulders. DIORITE: Fresh, very hard diorite comprising coarse-grained white plagioclase feldspar and black hornblende or biotite.

concrete cement grout

2

326

4

324

6

322

8

320

10

318

12

316

14

314

16

312

18

310

20

308

22

306

24

304

26

302

28

300

30

298

bentonite

32

296

34

294

36

292

38

290

backfill

40

288

42

286

44

284

46

282

48

280

Termination Depth at:48 m

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

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