Mineral Deposit Report Page 1 OF Geological Survey of Finland

Transcription

1 Mineral Deposit Report Page 1 OF Vaaralampi Occurence type: occurrence Commodity Rank Total Total production Total resource Importance measure platinum group metal 1 29,76 t 29,76 t Medium sized deposit palladium 2 21,76 t 21,76 t Medium sized deposit nickel t t Medium sized deposit platinum 2 8 t 8 t Small deposit gold 3 2,24 t 2,24 t Small deposit copper t t Small deposit cobalt 3 sulphur 5 Easting EUREF: ,333 Easting YKJ: Northing EUREF: ,303 Northing YKJ: Discovery year: 1964 Province: Portimo (PGE, Cr, Ni) References: 6, 8, 9 Mineral deposit type Group: Metallogenic deposit Main type: Ultramafic (magmatic) Sub type 1: Contact-type PGE References: 2 Dimension Expression: exposed Area (ha): Form: concordant Dip azim: 90 Shape: Dip: Length (m): 800 Plunge azim: Width (m): Plunge dip: Thickness (m): 20 Orientation method: Depth (m): 600 Dimension comments: The deepest intersected ore body is at the depth of 600 m, its continuity to Vaaralampi proper is unknown. Holder history Current holder: Gold Fields Arctic Platinum Oy Years: Holding type: Claim (old law) 1

2 Mineral Deposit Report Page 2 OF Previous holders: Company Years Holding type Comments Arctic Platinum Partnership Ay Outokumpu Oy 2

3 Mineral Deposit Report Page 3 OF EXPLORATION ACTIVITY Gold Fields Arctic Platinum Oy Years Activity type Geologist Exploration result Ref subsurface Mike Botha exploration Arctic Platinum Partnership Ay Years Activity type Geologist Exploration result Ref detailed geology Mike Botha subsurface exploration Mike Botha Outokumpu Oy Years Activity type Geologist Exploration result Ref detailed geology Pauli Isokangas,Pentti Rouhunkoski, Jouni Reino, Jarmo Lahtinen Sulphide bearing boulders were found by a layman 4 km to the north from the Vaaralampi subsurface exploration Pauli Isokangas,Pentti Rouhunkoski, Jouni Reino, Jarmo Lahtinen detailed geophysics Pauli Isokangas,Pentti Rouhunkoski, Jouni Reino, Jarmo Lahtinen core drilling Pauli Isokangas,Pentti Rouhunkoski, Jouni Reino, Jarmo Lahtinen 8 Core drilling (reconnaissance drilling): 19 drill holes, 2100 m. Intersections HoleID From-To Length 0,5m gold 2,19ppm copper 1,04% platinum 0,41ppm palladium 1,65ppm nickel 0,14% HoleID From-To Length 1m 3

4 Mineral Deposit Report Page 4 OF gold 0,05ppm copper 0,18% platinum 0,19ppm palladium 2,92ppm nickel 0,07% 4

5 Mineral Deposit Report Page 5 OF RESOURCES AND RESERVES Most recent Type: Company: Year: Date: Calc Method: Reference: Resource Gold Fields Arctic Platinum Oy 2011 NI Comments: The code used is either NI , JORC or SAMREC. Category: Indicated and inferred mineral resource Tonnage: 32 Mt copper 0,2 % gold 0,07 ppm nickel 0,31 % palladium 0,68 ppm platinum 0,25 ppm platinum group 0,93 ppm metal Cutoff: Comments: PGE calculated by GTK Previous calculations Type: Company: Year: Date: Calc Method: Reference: Resource Outokumpu Oy Category: Tonnage: 6,05 Mt nickel 0,31 % palladium 0,55 ppm copper 0,2 % platinum 0,2 ppm gold 0,06 ppm sulphur 11,8 % Cutoff: Type: Company: Year: Date: Calc Method: Reference: Resource Outokumpu Oy 1978 Non-compliant resource estimate 8 Comments: Three main ore blocks. Category: Tonnage: 10 Mt nickel 0,31 % copper 0,2 % Cutoff: 5

6 Mineral Deposit Report Page 6 OF GEOLOGY Ore: Sulphide ore Host rock: Amphibolite, Quartz diorite, Serpentinite, Gabbro Sulphide ore (Ore) Rock type: Ore Proportion: present Grain size: Color: References: 2, 3, 4, 5, 8 Comments: Deposit represents 'contact style' sulphide-pge mineralization. The host is the marginal series of the Suhanko Intrusion of the Portimo Layered Igneous Complex. Massive sulphide ore. Fe- Cu-Ni ore and minor Fe-Cu-Ni-Zn ore type. Ore minerals: Mineral Proportion Mineral texture Chalcopyrite major Massive Pentlandite major Massive Pyrite minor Massive Pyrrhotite major Massive Sphalerite minor Massive Can be a major ore mineral in places Other minerals: Mineral Proportion Mineral texture Amphibole present Chlorite present Plagioclase present Textures Massive Metamorphic description: Type: Facies: Degree: Relation to mineralization: Regional greenschist low metamorphic metamorphic facies grade Geological age: Min P- Max P (kbar) MIn T- Max T ( C) Geological era: Paleoproterozoic ( Ma) Max age - Minage Inferred age (Ma): Age of mineralization: (Ma): Y Amphibolite (Host rock) Rock type: Host rock Proportion: present 6

7 Mineral Deposit Report Page 7 OF Grain size: Color: References: 2 Comments: Totally altered pyroxene cumulate. Textures Cumulate Metamorphic description: Type: Facies: Degree: Relation to mineralization: Regional greenschist low metamorphic metamorphic facies grade Geological age: Min P- Max P (kbar) MIn T- Max T ( C) Geological era: Paleoproterozoic ( Ma) Max age - Minage Inferred age (Ma): Age of mineralization: (Ma): N Quartz diorite (Host rock) Rock type: Host rock Proportion: present Grain size: Color: References: 2, 3, 4, 5 Comments: Deposit represents 'contact style' sulphide-pge mineralization. Metamorphic description: Other minerals: Mineral Proportion Mineral texture Quartz present Type: Facies: Degree: Relation to mineralization: Regional greenschist low metamorphic metamorphic facies grade Geological age: Min P- Max P (kbar) MIn T- Max T ( C) Geological era: Max age - Minage Inferred age (Ma): Age of mineralization: (Ma): Archean ( Ma) N Serpentinite (Host rock) Rock type: Host rock Proportion: present Grain size: 7

8 Mineral Deposit Report Page 8 OF Color: References: 2, 3, 4, 5 Comments: Deposit represents 'contact style' sulphide-pge mineralization. Olivine cumulate. Totally altered peridotite Textures Cumulate Metamorphic description: Type: Facies: Degree: Relation to mineralization: Regional greenschist low metamorphic metamorphic facies grade Geological age: Min P- Max P (kbar) MIn T- Max T ( C) Geological era: Paleoproterozoic ( Ma) Max age - Minage Inferred age (Ma): Age of mineralization: (Ma): N Gabbro (Host rock) Rock type: Host rock Proportion: present Grain size: Color: References: 2 Comments: Plagioclase-amphibole rock originally plagioclase-pyroxene cumulate. Textures Cumulate Metamorphic description: Type: Facies: Degree: Relation to mineralization: Regional greenschist low metamorphic metamorphic facies grade Geological age: Min P- Max P (kbar) MIn T- Max T ( C) Geological era: Paleoproterozoic ( Ma) Max age - Minage Inferred age (Ma): Age of mineralization: (Ma): N Figures 8

9 Mineral Deposit Report Page 9 OF Structural interpretation of the Portimo Complex: 9

10 Mineral Deposit Report Page 10 OF Portimo layered complex, Suhanko and Konttijärvi area: 10

11 Mineral Deposit Report Page 11 OF REFERENCES 1. Holland, N Towards Five Million Ounces. Presentation in The BMO Capital Markets 2011 Global Metals & Mining Conference, Hollywood, Florida, February 27 to March 2, Iljina, M The Portimo Layered Igneous Complex - with emphasis on diverse sulphide and platinum-group element deposits. Acta Univ. Oul. A258, Iljina, M Portimo Layered Igneous Complex. in Alapieti, T. and Kärki, A. (Eds), 10th International Platinum Symposium. Field Trip Guidebook., Guide 51a, Iljina, M Day 1: The Suhanko-PGE prospect and the Portimo Layered Intrusion. in Ojala, J. and Iljina, M., (eds.) Metallogeny and tectonic evolution of the Northern Fennoscandian Shield : field trip guidebook. 33 IGC excursion No 15, August 15th 21st Iljina, M. and Lee, C PGE deposits in the marginal series of layered intrusions. in Mungall, J. (ed.). Exploration for Platinum-Group Element deposits. Mineralogical Association of Canada, Short Course Series, vol. 34, pp Lahtinen, J Ni-Cu-PGE-mineralisaation tutkimukset; arvio malmimahdollisuuksista. Ranua, Ahmavaara. Outokumpu Oy unpublished report, 001/3522/JJL/87/ Lahtinen, J., Suhangon-Konttijärven kerrosintruusion sekä lähiympäristön platinaetsinnöistä. 001/3522,3524,3613/JJL/ Reino, J., Ilvonen, E. and Rekola, T Suhanko-Pekkala-alueen tutkimuksista 1970-luvulla. Outokumpu Oy unpublished report, 001/3522, 3524, 3611, 3613/JR, EI, TPR/ Rekola, T Results of electrical and electromagnetic measurements in Vaaralampi- Niittylampi, Ranua. In: Eskola, L. & Fokin, A. (eds) Electrical prospecting for deposits in the Baltic Shield, issue 1: Galvanic methods., Rep. Invest. 73: