Bowone-Binebas Presentation.ppt

8/16/2019 Bowone-Binebas Presentation.ppt

http://slidepdf.com/reader/full/bowone-binebas-presentationppt 1/85

Sangihe projectSangihe project









Sangihe Island

SRTM Photo Image

Binebase Prospect

Bowone Prospect

Sede-Kupa







Bowone ProspectBowone Prospect

GeologyGeology

GeophysicsGeophysics

GeochemicalGeochemical DrillingDrilling



Bowone – Binebase Mineralization Zone

and Historic Drill Hole Locations







Tuffaceous sandstone, Pintareng Formation



Tuffaceous breccia, Pintareng Formation



Polimictic Clast of Milled Breccia



ine Grained Porphyritic

Andesite



Dacite Flow



Coarse grained bio-hbl porphyritic andesite



Remnant texture of Dacitic Crystal Tuff



Bowone nter!reted

Lit"olog#





1m 1! g"t Au

Silicified hydrothermal breccia



B#$%&' 1&()(m, 1m ()'* g"t Au, &)*(+ u

Latest stage fine pyrite – enargite – barite mineralization



Bowone nter!reted

Lit"olog#





Oidized !"ggy Silica

Oidized #"ggy silica $m % &'() g*t +"



Bowone nter!reted

Lit"olog#





$m % ,'( g*t +"



Bowone nter!reted

Lit"olog#





Plan -iew



110 m

100 m60 m

2 m



Loo.ing So"th



Loo.ing /est



Loo.ing So"th













0$-0)1-23&2 456 - Barite - Ba4SO(6 - 78 $'2 9

0$-02$-$22, 4:6 - +l"nite - ;4+l34SO(64O<6,6 - 78 3')) 9

0$-0)1-,&3) 4:6 - ;aolinite - +l4SiO&64O<6( - 78 ',, 9

00-0(-$3(0 456 - Pyrite - =eS - 78 $0')0 9

00-0(,-$0(& 456 - >"artz? syn - SiO - 78 ),'&1 9

=ile8 @+A,00021&'raw - ype8 h*h loc.ed - Start8 3'0(2 - @nd8 )0'0&0 - Step8 0'032 - Step time8 $22', s

L i n

4 C o " n t s 6

0

$000

000

3000

(000

&000

,000

2000

)000

1000

$0000

$$000

$000

-heta - Scale

& $0 0 30 (0 &0 ,0 20 )0

+l"nite in sample BOD-3 4$0)'&m6

-Eay powder diffraction analysis

&000



00-0($-$(,2 F - :atroal"nite - :a+l3 SO( O< ,

00-01-020$ 4F6 - Clinochlore-$AFFb? ferroan - 4Ag?=e6,4Si?+l6(O$04O<6)

00-0(-$3(0 456 - Pyrite - =eS

00-0(,-$30) 4F6 - Pyrophyllite-A - +lSi(O$04O<6

00-003-00$& 4D6 - Aontmorillonite 4bentonite6 - 4:a?Ca60'34+l?Ag6Si(O$04O<6G<O

0$-0)1-,&3) 4:6 - ;aolinite - +l4SiO&64O<6(

00-0(,-$0(& 456 - >"artz? syn - SiO

=ile8 @+A,000&&&'raw - ype8 h*h loc.ed - Start8 3'0(& - @nd8 )0'0() - Step8 0'032 - Step time8 $22', s

L i n

4 C o " n t s 6

0

$000

000

3000

(000

&000

-heta - Scale

( $0 0 30 (0 &0 ,0 20 )

Pyrophyllite in sample BOD-$ 430'&m6

-Eay powder diffraction analysis



Arribas et al., 2000



Bawone Prospect S"mmaryBawone Prospect S"mmary

Bowone mineralization zones;Bowone mineralization zones; Bowone main zone is NW structurally controlledBowone main zone is NW structurally controlled,, Bonsos unclear Bonsos unclear Brown Sugar is relatively EW structurally control, in contactBrown Sugar is relatively EW structurally control, in contact

o tu and ine grain andesite porphyry!o tu and ine grain andesite porphyry!

"igh Sulphidation style, lateral alteration zonation"igh Sulphidation style, lateral alteration zonationnot well developed, more structural than lithologicalnot well developed, more structural than lithologicalcontrolcontrol

#u $ %u mineralization#u $ %u mineralization, higher gold assay associated, higher gold assay associatedwith dar& grey-'lac& sulphide (ine pyrite)marcasite-with dar& grey-'lac& sulphide (ine pyrite)marcasite-enargite*!enargite*!



Hig" Lig"t C"annel $am!le

%ssa# &esult







$m % 0'23 g*t +"? 2( g*t +g



$m % $') g*t +"? 00 g*t +g





+m !+. g)t #u, +++/ g)t #g



+ m +0! g)t #u, 1 g)t #g

















Binebase. /orth sector outcrop

intersected BI$%1( and BI$%1'



Bladed r0stal Barite -ein, central sector



Central sector o"tcrop



Silicified breccia? central sector



#idi2ed 3ugg0 silica, South Sector. (m !)1* g"t Au,

&)1*+ u



Sede and ;"pa ProspectSede and ;"pa Prospect

+bo"t )-$0 .m from Bowone-Binebase +bo"t )-$0 .m from Bowone-Binebase

Sede8 saccharoidal Hz – gal –sph #ein andSede8 saccharoidal Hz – gal –sph #ein and

silicified andesitic t"ff silicified andesitic t"ff

;"pa8 chalcedonic Hz – blac. s"lphide;"pa8 chalcedonic Hz – blac. s"lphide#ein#ein



Gold +ssay 4g*t6 <ighlight



Sample loc and high light assay res"lt

y 4g 6 g g

0 $00







Sede8 silicified andesitic crystal t"ff? $m % '1)g*t +"



Sede8 silicified crac.le breccia? 0' m % $& g*t +"



Sede8 saccharoidal Hz-gal-sph? (', g*t +" 4grab6



Sede8 sacharoidal Hz-gal-sph #ein? 0'(m % $3'( g*t +"



;"pa8 chalcedonic H"artz-blac. s"lphide #ein? prelim $ g*t +"



;"pa8 clay 4go"geI6– blac. s"lphide8 prelim )'( g*t +" 4grab6



>+ >C











Aost #al"e below detection limit

Blan. =+S ppm +"





Sangihe S"mmarySangihe S"mmary



Sangihe S"mmarySangihe S"mmary

Bowone-Binebase <S styleBowone-Binebase <S style Bowone8 s"lphidic ore? higher grade gold phaseBowone8 s"lphidic ore? higher grade gold phase

related with enargite-bariterelated with enargite-barite

Binebase8 gold related with silica and s"lphide?Binebase8 gold related with silica and s"lphide?late barite-base metal #eins carried higher goldlate barite-base metal #eins carried higher gold Binebase8 oidised ore may s"itable for b"l.Binebase8 oidised ore may s"itable for b"l.

d"mp leach processingd"mp leach processing

Sede and ;"pa? +"-base metal LS styleSede and ;"pa? +"-base metal LS style Se#eral deposits may possible to process in oneSe#eral deposits may possible to process in one

mine facilitymine facility



TH%'( )*+

Small fish

Documents

Bowone-Binebas Presentation.ppt