Carey's Well kaolin project, Poochera, South Australia - SA Explorers
Carey's Well kaolin project, Poochera, South Australia - SA Explorers
Carey's Well kaolin project, Poochera, South Australia - SA Explorers
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MINOTAUR EXPLORATION LIMITED<br />
CAREY’S WELL KAOLIN PROJECT<br />
POOCHERA, SO<br />
OUTH AUSTRALIA<br />
Lew Barnes and Tom Mayer<br />
MINOTAUR
MINOTAUR
LATE 1970s TO MID 1980s<br />
SEVERAL AREAS OF KAOLINISED BASEMENT<br />
FOUND ON EYRE PENINSULA<br />
POOCHERA<br />
THE HUB OF EYRE PENINSULA<br />
MT STURT<br />
KAOLIN<br />
POOCHERA<br />
KIMBA<br />
KAOLI<br />
N<br />
POOCHER<br />
A<br />
KAOLIN<br />
MT HOPE<br />
KAOLIN<br />
ALL WERE INITIALLY EVALUATED AS POSSIBLE SOURCE OF<br />
PAPER COATING HYDROUS KAOLIN - NONE SUITABLE<br />
SEVERAL POOCHERA <strong>SA</strong>MPLES VERY CLOSE TO<br />
PAPER COATING<br />
SPECIFICATION<br />
MINOTAUR
1992-20002000 NORMANDY IND<br />
USTRIAL MINERALS (CML)<br />
EVALUATED POOC<br />
CHERA DEPOSITS<br />
Extensive drilling further<br />
r defined known deposits<br />
and located additional are<br />
eas of <strong>kaolin</strong> development MINOTAUR
CML DETERMINED KAOLIN FROM TOMNEY AND CAREY’S WELL WAS<br />
SUITABLE FOR USE IN HIGH QUALITY CERAMICS AND AS PREMIUM<br />
PAINT, RUBBER & PLASTIC (PRP) FILLER<br />
DOMESTIC AND REGIONAL MARKETS WERE CONSIDERED TO BE<br />
TOO SMALL TO WARRANT DEVELOPMENT<br />
TO GENERATE SUFFICIENT VOLUME CML RECOGNISED THE NEED<br />
TO ACCESS PAPER COATING MARKETS<br />
1998 – ABOUT 2 TONNES OF CAREY’S WELL KAOLIN WAS TRIAL<br />
PROCESSED THROUGH SKARDON<br />
RIVER PILOT PLANT IN CAIRNS.<br />
ABOUT 200kg OF CALCINED KAOLIN WAS PRODUCED AND THIS<br />
WAS FOUND TO BE FAVOURABLY<br />
COMPARABLE TO PREMIUM<br />
QUALITY CALCINED KAOLIN PRODUCED IN U<strong>SA</strong><br />
MINOTAUR
PRODUCT COMPARISON CALCINED KAOLIN<br />
Carey’s <strong>Well</strong><br />
Premium Calcined Kaolin<br />
ISO Brightness R457nm 96.48<br />
CIE b* value +0.85<br />
Cum. residue% 16um<br />
Refractive Index 1.56<br />
Oil Absorb. 80<br />
Specific Gravity 2.68<br />
Bulk Density 0.38<br />
Equiv. spherical diameter 0.90<br />
Engelhard (U<strong>SA</strong>)<br />
Ansilex93/Satintone<br />
ISO Brightness R457nm 90.17<br />
CIE b* value +3.04<br />
Cum. residue% 0.06<br />
Einlehner Abrasion mg ~20<br />
Hegman Grind >50um<br />
Refractive Index 1.56<br />
Oil Absorb. 101<br />
Specific Gravity 2.74<br />
Bulk Density 0.38<br />
Equiv. Spherical diameter 0.73<br />
MINOTAUR
S<br />
N<br />
POOCHERA KAOLIN DEPOSITS<br />
GENERALISED GEOLOGICAL SECTION<br />
MINOTAUR
CALCRETE LAYERS<br />
HILTABA<br />
SUITE<br />
GRANITE<br />
CALCAREOUS SILT AND <strong>SA</strong>ND<br />
(OVERBURDEN)<br />
KAOLINISED GRANITE<br />
MINOTAUR
~50% quartz-50% feldspar<br />
minor mica – trace anatase<br />
~50% quartz-50% feldspar<br />
minor mica – trace anatase<br />
2KAlSi 3 O 8 + 3H 2 O<br />
(Potash feldspar)<br />
Al 2 Si 2 O 5 (OH) 4 + SiO 2 + 2KOH<br />
(Kaolin)<br />
MINOTAUR
HYDROUS KAOLIN<br />
Al 2 Si 2 O 5 (OH) 4<br />
HIGH VALUE - LOW VOLUME<br />
Ceramics/porcelains/glazes<br />
Premium PRP fillers & extenders<br />
MODERATE VALUE - HIGH VOLUME<br />
Paper coating<br />
PRP fillers/ceramics<br />
LOW VALUE – VERY HIGH VOLUME<br />
Paper filling<br />
Stoneware/tableware/ceramic tiles<br />
Cements/general fillers<br />
CALCINED KAOLIN<br />
(Calcined @ 950 ‐ 1000 o C)<br />
Amorphous 2Al 2 O 3 .3SiO 2 .SiO 2<br />
HIGH VALUE – MODERATE VOLUME<br />
Glossy paper and board coating<br />
Premium PRP fillers & extenders<br />
MODERATE VALUE - HIGH VOLUME<br />
(Includes chamotte & mullite)<br />
Refractories/general fillers<br />
MINOTAUR
MINOTAUR
MINOTAUR
SPECIFICATIONS FOR CALCINED KAOLIN FEEDSTOCK<br />
MINOTAUR
SPECIFICATIONS FOR CALCINED KAOLIN FEEDSTOCK<br />
HIGH PURITY – VERY LOW QUARTZ CONTENT<br />
MINOTAUR
SPECIFICATIONS FOR CALCINED KAOLIN FEEDSTOCK<br />
HIGH PURITY – VERY LOW QUARTZ CONTENT<br />
HIGH WHITENESS RAW REFLECTANCE R 457 >80<br />
MINOTAUR
SPECIFICATIONS FOR CALCINED KAOLIN FEEDSTOCK<br />
HIGH PURITY – VERY LOW QUARTZ CONTENT<br />
HIGH WHITENESS RAW REFLECTANCE R 457 >80<br />
VERY FINE PARTICLE SIZE<br />
+95% LESS THAN 2 MICRONS<br />
~90% LESS THAN 1 MICRON<br />
MINOTAUR
SPECIFICATIONS FOR CALCINED KAOLIN FEEDSTOCK<br />
HIGH PURITY – VERY LOW QUARTZ CONTENT<br />
HIGH WHITENESS RAW REFLECTANCE R 457 >80<br />
VERY FINE PARTICLE SIZE<br />
+95% LESS THAN 2 MICRONS<br />
~90% LESS THAN 1 MICRON<br />
TOTAL IRON AND TITANIA VERY LOW (
SPECIFICATIONS FOR CALCINED KAOLIN FEEDSTOCK<br />
HIGH PURITY – VERY LOW QUARTZ CONTENT<br />
HIGH WHITENESS RAW REFLECTANCE R 457 >80<br />
VERY FINE PARTICLE SIZE<br />
+95% LESS THAN 2 MICRONS<br />
~90% LESS THAN 1 MICRON<br />
TOTAL IRON AND TITANIA VERY LOW (
JULY 2008 – MINOTAUR DRILLED 8 CALWELD DRILL HOLES<br />
MINOTAUR
ABOUT 55 TONNES (~1 TONNE/ METRE) BAGGED AND<br />
TRANSPORTED TO ADELAIDE FOR FUTURE PILOT PLANT TRIALS<br />
PILOT<br />
PLANT CURRENTLY BEING<br />
CONSTRUCTED<br />
MINOTAUR
MINOTAUR
EACH 1 TONNE BULK BAG SUB<strong>SA</strong>MPLED<br />
16 SUB<strong>SA</strong>MPLES, REPRESENTING<br />
48m OF KAOLINISED GRANITE<br />
FROM 6 HOLES PROCESSED<br />
AT IAN WARK RESEARCH<br />
LABORATORIES TO PRODUCE A -38 MICRON CLAY FRACTION<br />
WHITENESS, PARTICLE SIZING AND MINERALOGY<br />
DETERMINED USING CONVENTIONAL LABORATORY<br />
TECHNIQUES AND SCANNING ELECTRON MICROSCOPY<br />
AT ADELAIDE MICROSCOPY CENTRE<br />
MINOTAUR
LABORATORY TESTING AND SEM EXAMINATION HAS<br />
CONFIRMED THAT CAREY’S WELL KAOLIN IS<br />
WHITE, FREE OF CONTAMINANTS, EXTREMELY FINE<br />
GRAINED AND<br />
KAOLIN FROM THE 2008<br />
CALWELD DRILL HOLES<br />
IS VERY SIMILAR TO THE<br />
EARLIER BULK <strong>SA</strong>MPLE<br />
THAT WAS PROCESSED TO ULTRA WHITE, PREMIUM<br />
CALCINE<br />
D KAOLIN<br />
FROM THIS WE CAN<br />
CONCLUDE THAT AT<br />
CAREY’S WELL THEREE IS A LARGE, UNIFORM<br />
KAOLIN RESOURCE SUITABLE FOR<br />
PRODUCTION OF CALCINED KAOLIN<br />
MINOTAUR
CAREY’S WELL KAOL<br />
LIN -38µm FRACTION<br />
QUARTZ<br />
100µm<br />
50µm<br />
100µm<br />
100µm<br />
MINOTAUR
70µm<br />
PLATES IN STACKS COMPOSED OF<br />
VERY FINE (
MINOTAUR
MINOTAUR
MINOTAUR
MINOTAUR
MINOTAUR
SEM EXAMINATION HAS CONFIRMED THAT CAREY’S<br />
WELL KAOLIN IS EXTREMELY FINE GRAINED AND<br />
KAOLIN FROM THE RECENT CALWELD DRILL HOLES<br />
IS IDENTICAL TO THE EARLIER BULK <strong>SA</strong>MPLE THAT WAS<br />
PROCESSED TO ULTRA WHITE, PREMIUM CALCINED<br />
KAOLIN<br />
THUS<br />
THE RESOURCE IS LARGE AND UNIFORM<br />
AND<br />
WITH APPROPRIATE CONVENTIONAL PROCESSING<br />
TECHNOLOGY KAOLINISED<br />
GRANITE FROM CAREY’S<br />
WELL CAN BE PROCESSED TO HIGH QUALITY CALCINED<br />
KAOLIN<br />
MINOTAUR
WHITE KAOLINISED<br />
GRANITE RESOURCE<br />
MINOTAUR
WHITE, FINE GRAINED<br />
KAOLIN SUITABLE FOR<br />
PRODUCTION OF CALCINED<br />
KAOLIN<br />
(Resource as determined to date)<br />
Infill drilling planned in<br />
this area should<br />
significantly increase the<br />
high quality <strong>kaolin</strong><br />
resource<br />
MINOTAUR
LABORATORY TESTING AND EARLIER PILOT PLANT<br />
TRIALS HAVE DETERMINED THAT CAREY’S WELL<br />
KAOLINISED GRANITE CAN BE EASILY PROCESSED TO<br />
BOTH HYDROUS AND CALCINED KAOLIN USING<br />
“OFF THE SHELF” PROCESSING TECHNOLOGY<br />
THE MOST SUITABLE PROCESSING METHOD, EQUIPMENT<br />
AND COSTS ARE TO BE DETERMINED BY EXTESIVE PILOT<br />
PLANT TRIALS TO COMMENCE SOON<br />
MINOTAUR
PROCESSING OF<br />
CAREY’S WELL KAOL<br />
LIN<br />
ROM ORE<br />
LOW SHEAR<br />
BLUNGE<br />
PRIMARY<br />
CLASSIFICATION<br />
52%
PROCESSING OF<br />
CAREY’S WELL KAOL<br />
LIN<br />
ROM ORE<br />
LOW SHEAR<br />
BLUNGE<br />
PRIMARY<br />
CLASSIFICATION<br />
52%
CAREY’S WELL CALCINED KAOLIN<br />
MINOTAUR
EXTRA PERSUASION SOMETIMES REQUIRED TO MAKE<br />
CALCRETE AMENABLE TO CALWELD DRILLING
NEGOTIATIONS WITH POTENTIAL JOINT VENTURE<br />
PARTNERS TO ASSIST IN THE<br />
DEVELOPMENT OF THE<br />
CAREY’S WELL KAOLIN PROJECT ARE AT AN ADVANCED<br />
STAGE
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