															

DRILLHOLE:     NC15  					Logged by:       J.G.Purvis					Date:   8.12.99   		Depth:     55.7m  		Size:     NTW   	

					"Co-ords:   5 406636N / 425762E,   (5032N / 6200E Grid)"					RL:    565m  (est)		Dip:     - 45       		Azimuth:     213 AMG	

DRILL ADVANCE					LITHOLOGY										

From	To	Interval	Recovered	Lost	From	To	DESCRIPTION			ALTERATION		STRUCTURE		MINERALIZATION	

0	0.4	0.4	0.25	0.15	0	2.7	OXIDIZED QUARTZ SANDSTONE.   Pale brown			Strongly oxidized &  		Fractured & broken.			

0.4	0.9	0.5	0.5	0			sugary-textured fi-med gr qtz sst with occasional			leached.    Originally		Bedding 50/LCA @ 1m.			

0.9	1.9	1	0.95	0.05			qtz grains to 3mm.   Minor thin qtz veins.			mildly qtz-biotite alt.		Basal contact abrupt.			

1.9	2.7	0.8	0.65	0.15											

2.7	4.2	1.5	1.35	0.15	2.7	4.5	"OXIDIZED CALC-SILICATE?     Brown, fine-"			Strongly oxidized: 		Well-developed fine 		Trace remanent pyrite.	

4.2	5.7	1.5	0.7	0.8			"grained & finely-banded rock, composed of qtz,  "			"leached & bleached,"		banding 70/LCA (So?).   			

5.7	7.2	1.5	0.9	0.6			"dark grey-green unident mineral, garnet & biotite. "			with strong Mnox stains.		Mildly fractured & broken.			

7.2	8.7	1.5	1.4	0.1						Originally strongly		Abrupt basal contact.			

8.7	10.2	1.5	1.4	0.1						altered.					

10.2	11.7	1.5	1.05	0.45											

11.7	13.2	1.5	1.35	0.15	4.5	7.2	CLAYEY ZONE (OXIDIZED SKARN).			Very strongly oxidized.		Crumbly (+50% core lost)			

13.2	14.7	1.5	1.35	0.15			Green & pale brown puggy clay & very soft ox			Originally intensely					

14.7	16.2	1.5	1.5	0			rock.   To 6.5m after green skarn (serpentinous			altered.					

16.2	17.7	1.5	1.5	0			"at 5.8-6.5m), below this possibly calc-silicate."								

17.7	19.2	1.5	1.5	0											

19.2	20.5	1.3	1.3	0	7.2	11.1	QUARTZ-BIOTITE HORNFELS.			Moderate qtz-biotite alt		Fractured & mildly broken		Below 8.5m:  minor dissem &	

20.5	22	1.5	1.5	0			Pale brownish-grey.   Hard to very hard.					Strongest fracts are sub		veinlet pyrite.	

22	23.6	1.6	1.4	0.2			Patchy thermal metamorphism of mildly					parallel LCA & often filled 		10.85-11.1m:  strong 1-2mm	

23.6	24.7	1.1	1.1	0			altered fine qtz sst.     Common thermal					with 1mm greisenous		pyrite veinlets 10/LCA..	

24.7	25.7	1	0.65	0.35			 'spotting'.    Minor garnet.					veinlets (qtz-musc-fluorite			

25.7	27.2	1.5	1.5	0								 & possible wolfram).			

27.2	28.7	1.5	1.5	0								Bedding 50/LCA at 7.8m			

28.7	30.1	1.4	1.4	0											

30.1	31.7	1.6	1.6	0	11.1	12.4	OXIDIZED CALC-SILICATE?     Only 0.6m     					Upper contact a large		2% dissem & veinlet pyrite.	

31.7	33.2	1.5	1.5	0			"recovered.   Fawn, clayey crumbly & leached"					clay zone.  Lower contact			

33.2	34.7	1.5	1.5	0			"rock, now composed largely of fine sugary qtz."					abrupt & irregular.			

34.7	36.2	1.5	1.5	0											

36.2	37.7	1.5	1.5	0	12.4	20.5	QUARTZ-BIOTITE HORNFELS.   After fi-med gr			Biotitization overprinted		"Only slightly broken, but "		"12.4-13.4m:  2-3% py, veinlets &"	

37.7	39.2	1.5	1.5	0			"qtz sst.   Purplish-brown.   Hard to very hard,"			& bleached by greizen- 		abund hairline fractures		"dissem (py vein 5-30mm, 50/LCA,"	

39.2	40.4	1.2	1.2	0			& brittle.     Strong alteration & thermal			ization in diffuse veinlets		" below 15.5m, increasing"		" at 13.3m).   13.4-20.5m: 1% py,"	

40.4	41.9	1.5	1.5	0			" metamorphism, including spotting."			of qtz-fluorite-muscovite		towards strong fault at		"veinlets & dissem, locally +2%."	

															

JERVOIS MINING NL    -    DRILLHOLE LOG															

DRILLHOLE:     NC15   					Logged by:       J.G.Purvis					Date:   8.12.99  		Depth:     55.7m		Size:     NTW	

					"Co-ords:   5 406636N / 425762E,   (5032N / 6200E Grid)"					RL:    565m  (est)		Dip     - 45    		Azimuth:     213 AMG  	

DRILL ADVANCE					LITHOLOGY										

From	To	Interval	Recovered	Lost	From	To	DESCRIPTION			ALTERATION		STRUCTURE		MINERALIZATION	

41.9	43.4	1.5	1.5	0						assoc with the fracts.		basal contact (rock is		Some py assoc with the greisen	

43.4	45	1.6	1.6	0						Some qtz veins to 7mm		shattered towards base).		veinlets & fractures.	

45	46.5	1.5	1.5	0						Minor oxidation around		At 16.5m tectonic fabric		Minor sp-gn in basal fault.	

46.5	48.1	1.6	1.6	0						basal fault.		(fracts &veinlets) 55/LCA			

48.1	49.7	1.6	1.6	0											

49.7	51.1	1.4	1.4	0	20.5	23	BROKEN FAULTED ZONE.     Fawny-brown.        			Moderate qtz>biotite alt		Fractured & broken with		20.5-21.5m: 2-3% py on fracts &	

51.1	52.7	1.6	1.6	0			Lacks the intense fracturing & greisen veining			with bleaching.		"small clayey fault seams,"		dissem.   Trace sp-gn.	

52.7	54.2	1.5	1.5	0			"of unit above, otherwise rock is the same (fi-"					strongest 25/LCA at 		21.5-22.7m: minor py.  22.7-23m:	

54.2	55.7	1.5	1.5	0			med gr qtz sst).   					21.9m.		py-sp-gn seams in basal fault. 	

															

					23	28.1	MINERALIZED ZONE.     Grey-brown.    Hard.			Strong qtz-biotite or		Largely unbroken.		23-24m: 7-10% py>sp>gn dissem	

							Sulphidic biotitized qtz sst of variable grainsize			sericite alt (latter assoc		Bedded 50-60/LCA.		24-24.5m: 5% dendritic py.	

							"(fine to coarse gr), with greisenous overprint.    "			with fine greisenous		Basal contact abrupt - an		24.5-25.4m: 2% py in greisenous	

							"24.15m: 2cm sericitized granitic dyke, 65/LCA."			muscovite-py veinlets).		alteration front 50/LCA in		veinlets & dissem.	

							"24.4m:  8mm sericitized pyritic granitic dyke,"			27.75m: 2cm 40/LCA		opposite sense to So.		"25.4-26.5m: 2-3% py, minor sp."	

							60/LCA.   Both dykes with minor molybdenite.			"qtz vein, minor wolfram"				26.5-27.2m: 5% py mainly dissem	

										"28m:   25mm, 35/LCA,"				27.2-28.1m: 2% py>wolf-po-cassit	

										qtz-fluor-musc-wolf vein				mainly veinlets.  27.2m: 1cm 35/	

														LCA py-wolf-cp vein.	

															

					28.1	46.6	SILICIFIED QUARTZ SANDSTONE.			Very strong silicification		Cleavage in bio-alt zones		"28.1-30.6m: 1-2% py, dissem."	

							"Pale grey, very hard, massive, med gr."			& weak sericitization.		40-50/LCA.		30.6-31.2m: 3-5% dissem py.	

							Occasional worm burrows (eg: 29.7m & 30.6m)			Biotitized bands (<1m)  		34.5m: small fault with		"33-35m: 2% py, dissem."	

										above 37m.		2cm 25/LCA qtz-sericite		"36-36.8m: 1-2% py, dissem & "	

										Below 38.5m pervasive 		" vein, minor wolf & moly."		veinlets (4mm py vein at 36.8m)	

										greisenization (qtz-fluor-		Shear 45/LCA centred at		"39-46m: 2% py, mainly veinlets."	

										"musc+-py), also often"		30.9m.		"Elsewhere, minor to 1% py."	

										as facings on fracts &				45-45.8m:  strong py>cp-wolf	

										occasional larger veins:				vein //LCA.	

										"33.1m: 10cm, 45/ LCA."					

										"35.3m:  2cm, 15/LCA."					

															

JERVOIS MINING NL    -    DRILLHOLE LOG															

DRILLHOLE:     NC15   					Logged by:       J.G.Purvis					Date:   8.12.99  		Depth:     55.7m		Size:     NTW	

					"Co-ords:   5 406636N / 425762E,   (5032N / 6200E Grid)"					RL:   565m  (est)		Dip:     - 45    		Azimuth:     213 AMG  	

DRILL ADVANCE					LITHOLOGY										

From	To	Interval	Recovered	Lost	From	To	DESCRIPTION			ALTERATION		STRUCTURE		MINERALIZATION	

										"43.3m:  20cm, 35/LCA."					

										"44.15m:  3cm, 65/LCA."					

															

					46.6	48.2	GREISEN VEINING IN QUARTZ SANDSTONE.			"Silicified & baked, with"		Badly broken 47.45-47.7m		Almost no sulphides -trace py  	

							Greyish-white with green tinge.   Very hard.			strong pervasive qtz-		Most veining 40-60/LCA.		in basal 20cm.	

							50% fine to coarse gr qtz sst (detrital qtz grains 			muscovite-fluorite alt.		Basal vein has upper		Minor fuchsite in basal vein.	

							"to 3mm), altered & thermally metamorphosed."					"contact 40/LCA, lower"			

							"50% large, pegmatitic fluorite>qtz-muscovite-"					25/LCA.			

							lepidolite-cb veins.   Largest vein 47.25-48.2m.  								

															

					48.2	55.7	QUARTZ-BIOTITE HORNFELS.   Grey & brown.     			Mod-strong qtz-biotite> 		Good bedding at 50.9m		"48.5-50m:  2-3% py, trace cp,"	

							After med-coarse gr qtz sst.   Very hard.			sericite/muscovite alt.		(3cm microconglomerate		"dissem>veinlets, in bio-alt zone"	

							Greisenous qtz-cb-fluorite-musc-py veining			Biotitization affects 50%  		bed): 50/LCA.   		50-54.2m: 2% patchy py.	

							(not abundant) post-dates biotite alt.    These			of interval.   Muscovite		Largely unbroken.		"54.2-55.7m: 1% patchy py, some"	

							"veins at all angles, usually 5-20mm except for"			is pale green colour.				in greisen veins.  	

							10cm vein 50/LCA at 50.5m.							"52.9m: 5mm qtz vein, minor wolf"	

														& moly.    53.4-53.9m:  1cm 10/	

														"LCA, qtz-cb-py-wolf-bi-cp vein."	

														"54.2m: 5mm 30/LCA, qtz-cb-py"	

														"vein, trace wolf & bismuthinite."	

															

							END  OF  HOLE								

															

															

															

															

															

															

															

															

															

															

