JERVOIS MINING NL    -    DRILLHOLE LOG															

DRILLHOLE:     ST01  					Logged by:     J.G.Purvis					Date:   8.2.00   		Depth:     47.4m  		Size     NTW     	

					Co-ords:     5 405734N / 419089E    					RL:     675.5m		Dip:     - 90          		Azimuth:    	

DRILL ADVANCE					LITHOLOGY										

From	To	Interval	Recovered	Lost	From	To	DESCRIPTION			ALTERATION		STRUCTURE		MINERALIZATION	

0	1.9	1.9	0.25	1.65	0	9.9	TERTIARY BASALT.   								

1.9	3.4	1.5	1.4	0.1			"0 - 2m:  Yellow-brown, highly oxidized, limonitic"					Rubble.			

3.4	3.9	0.5	0.45	0.05			clayey basalt.								

3.9	4.9	1	0.35	0.65			"2 - 4.3m:  Grey, hard, fi-med gr basalt.   Weakly"					Moderately broken.			

4.9	5.5	0.6	0.5	0.1			magnetic.   Limonitic oxidation along fractures.								

5.5	6.4	0.9	0.55	0.35			"4.3 - 9.9m:    Yellow-brown, highly oxidized & "					Rubble.			

6.4	7.9	1.5	0.35	1.15			"clayey, basalt breccia (hyaloclastite)."								

7.9	8.4	0.5	0.35	0.15											

8.4	9.2	0.8	0.75	0.05	9.9	10.5	TERTIARY QUARTZ CONGLOMERATE.					Massive & unbroken.			

9.2	9.9	0.7	0.6	0.1			"(""Grey Billy"").     Creamy-grey, very hard, with   "					Both contacts abrupt.			

9.9	10.9	1	0.85	0.15			"rounded clasts to 9cm of qtz, qtz sst & qtzite."								

10.9	12.4	1.5	1.45	0.05											

12.4	13.9	1.5	1.5	0	10.5	27.25	CLAYEY OXIDIZED SKARN.			Totally oxidized & rotten		10.5-17m:  very soft but			

13.9	15.4	1.5	1.5	0			10.5 - 17.0m:   Creamy-yellow clay with 			throughout (rock is		largely unbroken.   Basal		To 15m: common Mnox seams	

15.4	16.9	1.5	1.5	0			"remanent fine or med gr rock texture, including"			lightweight).		"contact sharp, 45/LCA."		"& spots, & slight limonite stains."	

16.9	18.4	1.5	1.4	0.1			irregular low-angle banding.   Minor remanent					17-25m: as above with 			

18.4	19.9	1.5	1.5	0			epidote below 13m.					crumbly zones 23-25m. 			

19.9	21.4	1.5	1.5	0			"17.0 - 25.0m:   Black, grey & dark khaki greasy"					23.6m:   20cm fault with 		 Minor dissem py in black clay	

21.4	22.9	1.5	1.5	0			clay with fine or med gr remanent rock texture.					leached vein qtz frags to		below 22.3m.   24.6-25m: 3% py 	

22.9	24.4	1.5	1.45	0.05			Much fine mica in places. 					3cm.   19-23m: irregular		dissem in black clay with minor	

24.4	25.9	1.5	1.35	0.15			"25.0 - 27.25m:  Yellow-brown & pale green,   "					banding av 45/LCA.		leached vein qtz.	

25.9	26.3	0.4	0.15	0.25			clayey skarn with less-ox sections.  Remanent					25-27.25m:  Banding 55/		Strong limonite seams & stains	

26.3	27.4	1.1	0.5	0.6			"banding, some incompletely-ox ferromags &"					LCA.   Badly broken below     		below 25m.	

27.4	28.9	1.5	1.5	0			"garnet, & detrital qtz grains in places."					25.6m.			

28.9	30.4	1.5	1.5	0											

30.4	31.4	1	1	0	27.25	34.4	PARTLY-OXIDIZED FERROMAG-CALCITE     			Intensely altered.		Generally massive &		To 31.2m: minor to 2% dissem	

31.4	31.9	0.5	0.3	0.2			SKARN.					"unbanded, except for "		mag.	

31.9	32.3	0.4	0.4	0			Pale green.  To 30.4m: massive unoxidized					banded section 65/LCA		Below 31.2m: occasional mag-	

32.3	33.4	1.1	1.1	0			"med gr ferromag>calcite-epidote-garnet skarn,"					31.9-32.5m (incl 10cm of		bearing bands to 3cm or solid	

33.4	33.8	0.4	0.3	0.1			largely unbroken.  Below 30.4m skarn is mod					hornfels & mag bands).		Feox after same.	

33.8	34.5	0.7	0.55	0.15			"oxidized, leached (no calcite) & crumbly."					Basal contact 20/LCA.			

															

JERVOIS MINING NL    -    DRILLHOLE LOG															

DRILLHOLE:     ST01        					Logged by:     J.G.Purvis					Date:   8.2.00  		Depth:     47.4m		Size:     NTW     	

					Co-ords:     5 405734N / 419089E     					RL:     675.5m		Dip:     - 90     		Azimuth:       	

DRILL ADVANCE					LITHOLOGY										

From	To	Interval	Recovered	Lost	From	To	DESCRIPTION			ALTERATION		STRUCTURE		MINERALIZATION	

34.5	34.9	0.4	0.3	0.1	34.4	36.3	PYRITIC SKARN (FAULT?).    			Partly oxidized & leached.		Banding 25/LCA.		"20% py, dissem in rock & qtz,"	

34.9	35.4	0.5	0.45	0.05			"Dark grey.   Skarn as above, badly broken &"			Common bands of 		Poss fault zone?: rock is		most abund below 35m where	

35.4	36.4	1	0.7	0.3			"decomposed, with dissem pyrite & vein qtz."			vein qtz 1mm to 4cm 		very crumbly & clayey. 		locally sem-massive.   Some py	

36.4	37.1	0.7	0.7	0						thick (latter at 35m).				cubes to 3-5mm.	

37.1	37.9	0.8	0.8	0											

37.9	39.4	1.5	1.5	0	36.3	45.3	FERROMAG-GARNET-EPIDOTE SKARN.			Intensely altered.		Not banded.   Unbroken		To 39m:  minor to 2% dissem	

39.4	40.9	1.5	1.5	0			"Pale green, massive blotchy skarn composed"			Almost no veining.		except in leached ox		magnetite & trace pyrite.	

40.9	42.4	1.5	1.5	0			"of unidentified ferromagnesian mineral, garnet"			Below 43m: hard due 		zones above 37m & for 		39-45.05m: no mag or sulphides	

42.4	43.9	1.5	1.5	0			"& epidote, with chlorite & calcite in places (esp"			to baking.		0.6m above small fault		45.05m: 5cm band of semi-	

43.9	45.4	1.5	1.5	0			below fault at 41.5m).					70/LCA at 41.5m.   Basal		massive po>py>cp in chlor.  	

45.4	46.2	0.8	0.8	0								"contact abrupt, 80/LCA."		2cm band ditto at 45.1m.	

46.2	46.9	0.7	0.3	0.4											

46.9	47.4	0.5	0.4	0.1	45.3	47.4	"SILICIFIED QUARTZ SANDSTONE.     Grey,"			Strongly silicified.		Badly fractured & broken		45.3-45.7m:  3% dissem po in  	

							very hard.     Fine qtz sst with very minor thin			Minor chlor on fracts &		46-47m.		hornfels.	

							siltstone beds.   Top 0.4m is quartz-biotite-			biotite in siltst laminae.		Bedding in siltst laminae		Below 45.7m:  rare py.	

							chlorite hornfels after siltstone.			Pervasive cb below		85/LCA.			

										46.9m.					

															

															

							END  OF  HOLE								

															

															

															

															

															

															

															

															

															

															

															

															

															

