IOCG and Porphyry-Cu deposits in Northern Finland ... - IAGS 2011

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Excursion program and route Introduction 8 Geological and tectonic evolution of the northern part of the Fennoscandian Shield 9 Iron oxide and iron oxide-Cu-Au deposits in the Kolari-Pajala district 17 Aitik Cu-Au-Ag Mine 24 References 31 Saturday, 27th August Stop 1. Hannukainen Fe-Cu-Au deposit, Kolari. About 190 km, 2 h 30 min. We will visit the two old open pits at Hannukainen and waste rocks piles next to them. Possibility to see the ore, host rock, and wall rock boulders of the Hannukainen deposit. Stop 2. Northland Resources S.A. drill core facilities in Äkäsjokisuu. About 20 km drive (30 min) from Hannukainen. Drill core display of the Northlands targets in the Kolari and Pajala districts Stop 3. Kolari Hotel, about 18 km (20 min). Lunch and Northland’s presentation of the projects in Kolari and Pajala areas. Stop 4. The Stora Sahavaara deposit, Pajala, Sweden. About 40 km drive (45 min). Possibility to see the ore and host rock boulders taken from a bulk sample drive made by Northland in 2006. Stop 5. Optional. Tapuli deposit (about 5 km). Depending on the operations in there, possibility to see the host rock assemblage rocks. Stop 6. Gällivare, Sweden. 160 km, about 2 hours. Accommodation to Grand Hotel Lapland and dinner in the evening at the hotel. Sunday, 28th August 8:00 Check out from the hotel, short drive to the New Boliden’s Aitik mine (about 25 km drive). Company geologists presentation on the geology and mining operations at Aitik. Visit to the open pit. The exact localities to be visited in the open cut depend on the accessibility to different parts of the mine which changes rapidly as a consequence of the mining activities. 14:00 Drive to Rovaniemi. About 280 km, about 4 hours. If necessary we’ll drive through the airport where we’ll expect to arrive around 6 p.m. The buss will also stop at the Hotels down town Rovaniemi. Weather and clothing: Weather in late August can vary considerably - the temperature range is in between 0 to 25ºC, being typically around 15ºC in daytime. It is recommended that one should have a weatherproof jacket in case of rain. The field targets in both Kolari and Pajala are easily accessed and one can manage with regular shoes. During the visit to Aitik safety boots, hard hat and safety classes are provided by the company.
SAFETY INSTRUCTIONS: The instructions of your guides and hosts MUST be followed at all times. Be aware of loose boulders in the waste rock piles and open cut walls. Be aware of heavy machinery, hard hat and safety boots provided in the Aitik mine must be worn all the time. Mobile numbers of your guides: Tero Niiranen: +358 503 487 621 Tuomo Karinen: +358 504 369 360
Page 1: FIELD EXCURSION IOCG and Porphyry-C
Page 4 and 5: Niiranen, T. 2011. Iron oxide-coppe
Page 8 and 9: 8 Introduction Pär Weihed, Olof Ma
Page 10 and 11: 10 ries) are chemically different f
Page 12 and 13: 12 magmatic and rifting event at c.
Page 14 and 15: 14 tinsson 1997, 1999a,b). Scapolit
Page 16 and 17: 16 or isoclinal folds. It is mostly
Page 18 and 19: 18 Fig. 1. The main geological unit
Page 20 and 21: 20 The ore deposits Total of about
Page 22 and 23: 22 Alteration & geochemical fingerp
Page 24 and 25: 24 Fig. 5. Cross section and a surf
Page 26 and 27: 26 Fig. 2. Local geology and excurs
Page 28 and 29: 28 Quartz-muscovite (sericite) schi
Page 30 and 31: 30 Fig. 5. Rock types at Aitik. A.
Page 32 and 33: 32 Gaál G. 1986. An outline of the
Page 34 and 35: 34 Öhlander B. & Skiöld T. 1994.
Page 36: 36 Weihed P., Billström K., Persso

IOCG and Porphyry-Cu deposits in Northern Finland ... - IAGS 2011

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