# alteration

Comments:
Mi=mica, likely muscovite, intensity at its greatest in coarser units


Comments:
Chlorite alteration associated with siltstone


Comments:
Also moderately intense pervasive chlorite alteration decreasing in intensity downhole


Comments:
Se (sericite)-chlorite alteration in selvedge occurance


Comments:
graphite in breccia zone and within bedded shales


# geology

Comments:
Completely weathered, minor bedding texture remains


Comments:
Highly weathered black shales, weathered to grey, some clay alteration/leached?


Comments:
Foliated black shales, minor quartzite zones


Comments:
Foliated and contorted black shales, erratic quartz veining, healed fault?


Comments:
Foliated and contorted black shales, minor quartzite and volcanilcastic? zones


Comments:
Foliated and contorted black shales, some clay alteration, minor high angle quartz veins


Comments:
Foliated and contorted black shales, minor high angle quartz and siderite veins


Comments:
Brecciated siderite vein with galena and sphalerite


Comments:
Highly foliated and contorted black shales, minor quartzite zones


Comments:
Crystaline hyaloclastite pillow basalts with chilled margins, angular and rounded amygdaloidal clasts, chloritic alteration, high angle quartz veins


Comments:
Interbedded crystaline volcaniclastics, minor quartz veining


Comments:
Interbedded crystaline volcaniclastics, minor pillow basalts


Comments:
Crystaline hyaloclastite pillow basalts with chilled margins, angular and rounded amygdaloidal clasts, chloritic alteration


Comments:
Foliated and contorted black shales, some graphitic alteration, minor high angle quartz and siderite veins


Comments:
Quartz breccia, minor sulphides, highly contorted and brecciated


Comments:
Interbedded crystaline volcaniclastics, chloritic alteration, some clay alteration


Comments:
Quartzite with minor quartz and siderite veining


Comments:
Foliated and contorted black shales, some quartzite intervals, quartz and siderite veins


Comments:
Foliated and contorted black shales, some quartz/sphalerite veins


Comments:
Foliated black shales, very fine grained, minor diagenic pyrite blebs along foliation planes


Comments:
Foliated black shales, some clay alteration


Comments:
Quartz breccia, minor sulphides arsenopyrite and pyrite


Comments:
Foliated and contorted black shales, minor high angle quartz and siderite veins, micro breccia veins


Comments:
Foliated black shales, very fine grained


Comments:
Quartz breccia, sphalerite and galena within siderite veins


Comments:
Cased off to NQ. Pillow basalts with amydale texture within the montana basalts


Comments:
black shales with sidertie veining prodominate followed by earlier quartz veining.


Comments:
black shale with minor siltstone zones. Evident open folds with early quartz veining follwed by later siderite veins.


Comments:
montana basalt with amydale textures and peperite.


Comments:
black shale with intervals of siltstone. Sulphide mineralisation has increased in veins of pyrite and chalcopyrite.  With blue green mineral, pyroxene?


Comments:
Black shales with pervasive mica alteration


Comments:
Foliated chloritic altered shale, dome like sedimentation, soft sediment slumping?


Comments:
Foliated black shales, diagenetic pyrite along foliation, minor sulfide/quartz veins


Comments:
Foliated black shales, minor sulfide/quartz veins


Comments:
Carbonatious Black Shales, graphitic alteration throughout, minor siderite veining


Comments:
Highly weathered black shales, most texture destroyed by weathering?, minor sulphides


Comments:
Main fault ore zone, semi massive sulphides (pyrite and minor pyrrhotite), quartz/black shale breccia, visible Stannite within the sulphides, highly broken ground


Comments:
Quartzite with reminant bedding textures remaining (or highly silicified sandstone) with minor quartz and pyrite veining


Comments:
Highly contorted and deformed black shales with interbeded quartzites, minor quartz and pytire veining


Comments:
Light grey fine grained sandstones, some minor zones of microbreccia, siderite, pyrite and quartz veining throughout


Comments:
Brecciated black shales and quartz breccia, minor cassiterite occurrence on edge of pyrite veins


Comments:
Foliated black shales, minor quartz and siderite veins


Comments:
Black shale crackle breccia fault, siderite veins


Comments:
Light grey fine grained sandstones, minor siderite and quartz veining


Comments:
Massive siderite vein, minor pyrite in veins and disseminated


Comments:
Quartz breccia, highly defored black shales, healed fault?


Comments:
Light grey fine grained sandstones with minor black shale beds, minor siderite and quartz veining


Comments:
Foliated black shales, minor quartz and siderite veins. EOH @ 401.20m


Comments:
Quartzite, completely weathered to clays, minor bedding texture remains


Comments:
Quartzite, highly weathered to clays, minor bedding texture remains


Comments:
Quartzite, slightly weathered, minor quartz and siderite veining, some small intervals of interbedded black shale beds


Comments:
Quartzite, slightly weathered, minor quartz and siderite veining


Comments:
Quartz breccia, massive and veined pyrite with minor pyrrhotite and siderite


Comments:
Brecciated black shales with pyrite and quartz veining, some coarse grained sandy beds


Comments:
Brecciated and cataclastic black shales, highly deformed, with pyrite and quartz veining


Comments:
Brecciated fault, massive and veined pyrite with minor pyrrhotite and siderite


Comments:
Highly contorted laminated black shales, sideritic/carbonate overprint


Comments:
Brecciated black shales with pyrite and quartz veining, some coarse grained sandy beds, some weathering of the shales to clays


Comments:
Highly altered crystalline carbonate?, graphitic alteration, semi massive crystalline siderite


Comments:
Brecciated black shales with pyrite and quartz veining, some weathering of the shales to clays


Comments:
Brecciated black shales with pyrite and quartz veining, graphitic alteration


Comments:
Quartz breccia, massive and veined pyrite with minor pyrrhotite


Comments:
Brecciated and cataclastic black shales with pyrite and quartz veining, graphitic alteration


Comments:
Contorted bedded black shales, minor siderite veins


Comments:
Contorted bedded black shales, some cataclastic texture, minor siderite and pyrite veins


Comments:
Pepperite light grey basalt, very minor narrow quartz and siderite veining


Comments:
Pepperite light grey basalt, siderite alteration, very minor narrow quartz and siderite veining


Comments:
Pepperite light grey basalt, siderite alteration, very minor narrow quartz and siderite veining, minor sphalerite and galena blebs


Comments:
Pepperite light grey basalt, siderite alteration, quartz, pyrite and siderite veining


Comments:
Pepperite light grey basalt, chloritic alteration?, very minor narrow quartz and siderite veining EOH @ 329.35m


Comments:
Completely weathered to clays, minor bedding texture remains


Comments:
Weathered and foliated Black Shales, minor coarse grained sandy units (2-5cm)


Comments:
Highly weathered and foliated Black Shales, minor coarse grained sandy units


Comments:
Foliated black shales with minor quartz and siderite veins


Comments:
Brecciated black shales, siderite veins, minor sphalerite veins/blebs


Comments:
Brecciated black shales, siderite veins, semi massive sphalerite veins/blebs


Comments:
Foliated black shales with minor siderite veins


Comments:
Carbonate rich breccia, contorted black shales, siderite veins


Comments:
Black Shales, minor coarse grained sandy units, minor diagenic pyrite along bedding planes


Comments:
Coarse grained sandstone with minor pyrite blebs


Comments:
Black Shales, minor coarse grained sandy units, minor diagenic pyrite along bedding planes, with siderite veins


Comments:
Cased off to NQ at 174.00m. Pillow basalts with amydale texture and peperite within the Montana Basalts, minor chloritic alteration throughout


Comments:
Pillow basalts with amydale texture and peperite within the Montana Basalts, minor chloritic alteration throughout, zones of weathered? clay alteration


Comments:
Siderite vein breccia zone, with veined galena


Comments:
Core lost, was observed when core delivered to yard as 20cm of solid galena


Comments:
Black Shales, minor coarse grained sandy units and minor quartz veining


Comments:
Laminated sandstones, with minor interbedded black shales and minor quartz veining


Comments:
Black Shales, minor coarse grained sandy units


Comments:
Siderite vein breccia zone, with blebs of galena


Comments:
Weathered black shales, with minor siderite vein


Comments:
Pillow basalts with amydale texture and peperite within the Montana Basalts, minor chloritic alteration throughout


Comments:
Black Shales, minor coarse grained sandy units, EOH at 372.00m


# lithology

Comments:
Pale grey sandstone (quartzite?) with frequent quartz veining (+/- tourmaline) and zones of increased fracturing and clay (possibly degraded siltstone interbeds). Minor silstone/shale beds at 15.7m


Comments:
Interbedded black shale and quartzitic sandstone with frequent core loss. Black shale highly friable, and sandstone increased fracturing.


Comments:
Dominantly clay and highly degraded shale-siltstone with broken remnant quartz vein. Graphitic alteration on fracture planes (bedding planes?). Significant core loss.


Comments:
highly degraded and friable black shale with contorted/disrupted beds and some brecciation with clasts of sandstone some lenticular to sub-rounded and some angular and apparently in situ(?). Graphitic lineations (styoliitic?) common.


Comments:
highly broken/friable black shale and volcaniclastic siltstone/sandstone in fault zone with short intervals of slightly more competent ground.


Comments:
Moderately to strongly broken, interbedded black shale and fine-grained silstone and medium to fine-grained sandstone. Bedding highly variable (5-90 deg to core axis). Some folding/disruption of bedding and quartz-carbonate veining common. Siderite veinlets downhole.


Comments:
Fine-grained, muscovite altered, grey sandstone with graphitic fracture planes/lineations


Comments:
Hornfels-annealed breccia of angular to sub-angular, pale grey siltstone clasts


Comments:
Highly altered, amygdaloidal basalt hyaloclastite with zonal siderite alteration and some siderite-galena veining


Comments:
Dark grey to black amygdaloidal basalt with moderately intense carbonate veining


Comments:
Highly altered basalt. Some interstitial carbonate alteration.


Comments:
Dark green-grey, zonally amygdaloidal basalt


Comments:
Interbedded black shale and pale grey volcaniclastic sandstone.


Comments:
Fault zone in black shale with some volcaniclastics


Comments:
Siderite-Galena-sphalerite fissure vein(?) in fault zone


Comments:
Fault zone in black shale and volcaniclastics


Comments:
Brecciated black shale with minor volcaniclastics


Comments:
Interbedded black shale and volcaniclastics


Comments:
Fault zone: breciated black shale and siltstone


Comments:
Brecciated black shale and minor siltstone


Comments:
Fault zone in black shale and siltstone interbeds


Comments:
Structural siderite-sulphide vein in fault zone


Comments:
interbedded black shale and volcaniclastic siltstone and sandstone. End Of Hole.


Comments:
Highly clay altered, pale green to cream sandstone(?)


Comments:
Interbedded pale grey sandstone, siltstone and black to dark grey shales


Comments:
Multiple faults and associated fracturing in interbedded pale grey sandstone and shale


Comments:
Moderately to strongly altered and fractured amygdaloidal basalt with chilled margin evident at uphole contact


Comments:
Fault zone in interbedded sandstone and siltstone


Comments:
Interbedded sandstone/siltstone and black shales with zonal replacement pyrite


Comments:
Fault zone in interbedded siltstone/shale and sandstone. Grading from sandstone dominant uphole to siltstone dominant downhole. Variable bedding and quartz veining prominent downhole.


Comments:
Dominantly black shale with some volcaniclastic siltstone/sandstone beds and frequent fractures and quartz veining.


Comments:
Dominantly lithic sandstone with very minor siltstone interbeds and tensional siderite veining. Thin coarser -grained at downhole contact.


Comments:
Micaceous siltstone and siltstone/black shale bed with thin conglomeratic interbeds


Comments:
Massive to semi-massive fine-grained sandstone with frequent quartz veining


Comments:
Graded polymictic, dominantly clast-supported conglomerate beds with minor pyrite clasts and siderite veining. Grading apears to indicate younging uphole. Clasts dominantly sub-rounded to rounded. Some black shale bands and also rip-up clasts.


Comments:
Zonally massive interbedded volcaniclastic sandstone/silstone with minor shale with locally intense quartz veining


Comments:
Black shale/siltstone with interbeds of fine-grained lithic sandstone bedding. Often disrupted and/or microfaulted.


Comments:
Massive lithic sandstone with frequent siderite veining and frequent chlorite-graphite styolitic veining


Comments:
Interbedded micaceous volcaniclastic sandstone/siltstone with variable bedding orientation


Comments:
Dominantly dark brown to black, chlorite altered siltstone/shale with minor snadstone beds downhole. Some undulose bedding present.


Comments:
Dominantly folitated micaceous volcaniclastic sandstone


Comments:
Dominantly chlorite altered broken siltstone.


Comments:
Dominantly sandstone with chlorite altered interbeds of siltstone


Comments:
Dominantly chlorite altered, zonally broken siltstone


Comments:
Interbedded fine-grained sandstone and siltstone with frequent siderite veiing and variable bedding orientation


Comments:
Dominantly semi-massive, fine-grained micaceous sandstone with conglomeratic layer uphole


Comments:
Foliated micaceous volcaniclastic sandstone and siltstone


Comments:
Three faults in interbedded siltstone/sandstone


Comments:
Foliated, fault-proximal conglomerate bed with some lenticulat clasts.


Comments:
Dominantly pale grey micaceous sandstone with minor black shale/siltstone interbeds.


Comments:
Clay-rich fault in black shale/sandstone. Remnants of frequent veining present.


Comments:
Pale grey fine-grained sandstone with graphitic lineations and minor black shale beds. Frequent quartz-siderite veining uphole. Increasing black shale downhole.


Comments:
Schistose graphitic black shale and pale grey to white, disrupted, carbonate altered sandstone with carbonate veining. Mylonitic??


Comments:
Fault zone in disrupted black shale, sandstone and siltstone beds


Comments:
Disrupted black shale and fine-grained sandstone with carbonate veining


Comments:
Fault breccia with frequent, rounded snadstone clasts and black shale/clay matrix.


Comments:
Moderately to strongly altered amygdaloidal basalt with possible hyaloclastite around 80m and frequent xenoliths and up and downhole contacts


Comments:
Leached fault zone on and within margin of basalt along with possible sedimentary rock or compressed hyaloclastite


Comments:
Interbedded black shale and grey sandstone/siltstone with replacement pyrite along bedding planes common


Comments:
Hyaloclastite(?) clasts of highly altered amygdaloidal basalt


Comments:
Interbedded black shale and sandstone/siltstone with zonal folding present.


Comments:
Interbedded siltstone/sandstone and black shale


Comments:
Disrupted beds of black shale with some silstone/sandstone clasts


Comments:
Possible perperitic margin - clastic amygdaloidal basalt and black shale


Comments:
Interbedded black shale and siltstone/sandstone with prequent pyrite clasts and replacement pyrite along bedding planes as well as frequent carbonate veining of varying intensity. Some disruption of bedding


Comments:
Fault zone in black shale and sandstone interbeds


Comments:
Interbedded black shale and sandstone with moderate to strong veining and disruption downhole


Comments:
Olive green to grey amygdaloidal basalt with zonally intense veining. Likely multiple extrusion event. Downhole contact possibly peperitic


Comments:
Strongly hornfelsed interbedded silstone and black shale


Comments:
Olive green to grey amygdaloidal basalt with frequent veining


Comments:
Hyaloclastic breccia on margin of amygdaloidal basalt


Comments:
Grey volcaniclastic(?) sandstone with interbeds of black shale


Comments:
Partially sulphide annealed fault zone with significant veining and sulphide mineralisation


Comments:
Disrupted and veined sandstone with minor black shale


Comments:
Interbedded black shale and volcaniclastic(?) sandstone


Comments:
black shale with breccias of black shales and quartz angular clasts and siderite veins


Comments:
puggy graphitic shear with brittle zone of pug and rock fragments


Comments:
Quartzite zone with quartz veining, banded with black shales and siderite veining. Pyrite replacement in banded areas.


Comments:
sharp uphole contact with breccia zone, large clasts of sandstone and black shales, with .05m of qz veins.


Comments:
black shales and bedded sub mm to cm banding in sandstone unit, with mm pyrite replacement bands.


Comments:
faulted contact between shale and sandstone unit and sulphide rich unit of black shale that has been deformed.  Highly altered with quartz & siderite veining that are discordant.


Comments:
black shale with brecciated shale with quartz veining clasts. Pyrite is disseminated and banded zones.  Sub mm veins of siderite and quartz.


Comments:
Fault zone, ductile deformation with quartz veining and graphitic shears.  Brittle zones of graphitic shears.


Comments:
Volcaniclastic sediment with a sharp upper contact. Lower contact with a shale.


Comments:
Interbedded black shale and volcaniclastic sandstone


Comments:
altered basalt with pepperite and amygydoidal textures.


Comments:
volcaniclastic sandstone with interbedded siltstone


Comments:
Fault zone, with brecciated quartz and graphite shears. EOH


# mineralisation

Comments:
localised increases in pyrite abundance. Sphalerite occurance proximal to downhole boundary


Comments:
Pyrite in replacement clasts/bedding. Increasing in abundance downhole


Comments:
localised increases in abundance. Likely some cassiterite (based on pxrf readings


# structures

comments:
joint intersection (fracture intersection) very blocky


comments:
increase in fracture frequency, fractures appear to be along bedding planes


# veining

Comments:
both vein sets appear tensional. Siderite cross-cutting quartz


Comments:
Siderite +/- carbonate. Carbonate +/- siderite. Localised increase and decreases in intensity


Comments:
Sparse siderite occurences. Local increases and decreases in tinensity


Comments:
decreased intensity downhole. Increased intensity proximal to fault


Comments:
siderite-galena vein. Uphole contact 40 degrees to core axis, downhole contact 20 degrees to core axis


Comments:
siderite veining locised increases of intensity


Comments:
localised increases in intensity. +/- siderite


Comments:
carbonate +/- siderite (increasing siderite downhole)


Comments:
sulphide-siderite + unknown blue mineral


Comments:
siderite veining locally more frequent and +/- sulphide


