OUTOKUMPU OY 020/Baltian kilpi/TJK ym./1985 MALMINETSINTÄ Tapio KOistinen/LAP 8.3.1985 ABSTRAKTIKOKOELMA; Helsinki symposium on the Baltic Shield, 4-6/1985 4· 4· 12· 20· 28· 36· 70 · 66· 62· 58· ml 02 &+1 3 ~ - - --~--- _ .. JAKELU OKME/Etelä-Suomi, OKME/LäTIsi-Suomi, OKME/ltä-Suomi 1 I I 1 Prof. R. Gorbatschev Dr. G. Gaal Dept. of Mineralogy and Geological Survey of Petrology Finland Institute of Geology Kivimiehentie 1 Lund University SF~02150 ESPOO 15 Sölvegatan 13 FINLAND S-223 62 LUND SWEDEN Dear Colleague, In order to activate international. cooperation on the Pre­ cambrian of northern Europe within .the framework of the Internationa1 Lithosphere Program(ILP), particu1arly its ) working groups WG 3 and WG 4, we wou1d 1ike to suggest a fact­ finding and prob1em-defining workshop to review the present state of knowledge and p1an future joint research efforts. The problems concerned wi1l be particu1arly the formation of the Proterozoic 1i thosphere, the co~tinua tion of ArcheanlTEhoge·I}e'El.c processes- in - ~- Proterozoic, and the~ve~opment~I:the-Soundary 1fetween tne PioteroZOlcärid the Archean in the central Baltic :.s1iie ld, i. e. tne-S-vecokarel lan-··-an-cf Archean- -reg ions- ef Finiand and Sweden. In addition, these aspects wi1l be related to the general Proterozoic development of the shie1d. Since this is the first effort at such a co-operation attempting to knit together more c1ose1y the treatment of Ear1y and Mid­ Proterozoic prob1ems in Finland, Sweden and Norway, it is our idea to limit participation in this pioneer workshop to a number of invited workers who are personal1y invo1ved in research on the subject, encouraging them to give reviewsof their particu1ar fields of work. We wou1d also 1ike to keep the workshop as informal as possib1e, not, at this stage, involving governmenta1 organizations as such. ) To get things gOing, we suggest that we meet already on March ) 4-6th, 1985 in Helsinki. Housing at reduced prices in shared double rooms wil1 be arranged in Helsinki and we have good hopes of being ab1e to raise funds to subsidize travel1ing particularly for participants from continental Europe and Britain. Please indicate your interest to participate on the enclosed form and return it before September 1, 1984 to R. Gorbatschev. atschev · i Helsinki Symposium on the Central Baltic Shield Helsinki March 4 - 6, 1985 LIST OF PARTICIPANTS BARBEY, Pierre, Dr. FRIETSCH, Rudyard, Prof. Laboratoire de Petrologie Högskolan i Luleå Universite de Nancy I Avd. för ekonomisk geologi C.O. n:o 140 S-951 87 LULEA 54037 NANCY CEDEX Sweden France FRONT, Kai, M.Sc. BERTHELSEN, Asger, Prof. Dept. of Geology Geologisk Central Institut Div. of Geology and Mineralogy 0. VOldg. 10 University of Helsinki DK-13S0 COPENHAGEN K Snellmaninkatu 5 Denmark SF-00170 HELSINKI Finland BJÖRKLUND, Alf, Prof. Geological Survey of Finland GAÄL, Gabor, Dr. SF-02150 ESPOO Geological Survey of Finland Finland SF-02150 ESPOO Finland CLAESSON, Lars-Ake, FK Sveriges Geologiska Ab GORBATSCHEV, Roland, Pro=. Box 801 Dept. of Mineralogy & Petrology S-951 28 LULEA University of Lund Sweden Sölvegatan 13 S-22362 LUND CLAESSON, Stefan, Dr. Sweden Naturhistoriska riksmuseet Section for Mineralogy HAAPALA, Ilmari, Prof. Laboratory for Isotope GeologJDept. of G~ology Box 50007 Div. of Geology a~d Mineralogy S-1 04 05 STOCKHOIJ.l University of Helsinki Sweden Snellmaninkatu 5 SF-00170 HELSINKI EHLERS, Carl, Prof. Finland Geologiska institutionen Aho Akademi HENKEL, Herbert, Dipl. geofys. 20500 ÅBo Sveriges Geologiska Undersökning Finland Geofysiska sektionen Boy. 670 S-751 28 UPPS~. Sweden \" \ 2 1, KORHONEN, Heikki, Prof. HJELT, Sven-Erik, Prof. Institute of Seismology University of Oulu University of Helsinki Linnanmaa Et. Hesperiankatu 4 SF-90570 OULU SF-00100 HELSINKI Finland Finland HUBBARD, Fred, Dr. KORHONEN, Juha, L.Eng.Sc. Geology Department Geological Survey of Finland The University SF-02150 ESPOO DUNDEE, 001 4HN Finland Scotland Great Britain KORSMAN, Kalevi, Dr. Geological Survey of Finland HUHMA, Hannu, M.Sc. SF-02150 ESPOO Geological Survey of Finland Finland SF-02150 ESPOO Finland KOUVO, Olavi, Dr. Geological Survey of Finland HYVÄRINEN, Lauri, Prof. SF-02150 ESPOO Geological Survey of Finland Finland SF-02150 ESPOO Finland HÖLTTÄ, Pentti, M.Sc. Geological Survey of Finland SF-02150 ESPOO Finland KÄHKöNEN, Yrjö, L.Ph. Dept. of Geology Div. of Geology and Mineralogy KAORANNE, L.K., Director University of Helsinki Geological Survey of Finland Snellmaninkatu 5 SF-02150 ESPOO SF-00170 HELSINKI Finland Finland K..~UTSKY, Gunnar, Dr. LAAJOKI, Kauko, Prof. Sveriges Geologiska Undersökning University of Oulu Box 670 Dept. of Geology 5-75128 UPPSALA Linnanmaa Sweden SF-90570 OULU Finland von KNORRING, Mary, U.Sc. Geological Survey of Finland LINDH, Anders, Doc. SF-02150 ESPOO Lunds Universitet Finland Avd. för Mineralogi och Petrolo~J Sölvegatan 13 KOISTINEN, Tapio, Dr. S-222 36 LUND Outokumpu Oy Sweden SF-83500 OUTOKUMPU Finland LUND, Carl-Erik Avd. för fasta jordens fysik KORPELA, Kauko, Prof. Uppsala universitet Geological Survey of Finland Box 556 SF-021S0 ESPOO 5-751 22 UPPSALA Finland Sweden 3 LUNDQVIST, Thomas, Dr. PHARAOH, Tim, Dr. Sveriges Geologiska Undersökning British Geolcgical Survey Box670 Keyvorth 5-75128 UPPSALA NOTTINGHAM NG12 5GG Sweden • Great Britain LUNDSTRÖM, Ingmar, Fil.lic. Sveriges Geologiska Undersökning PESONEN, Lauri, Dr. Berggrundssektionen Geological Survey of Finland Box 670 SF-02150 ESPOO S-751 28 UPPSALA Finland Sweden PIPPING, Fredrik, L.Ph. Geological Survey of Finland SF-02150 ESPOO .... Finland MARKER, Martin RICKARD, David, Prof. Geologisk Centralinstitut Department of Mineral Exploitation 0ster Voldgade 10 University College DK-1350 COPENHAGEN K Newport Road Denmark CARDIFF, CF2 1TA Great Britain MARTIN, Herv~, Dr. Universit~ de Rennes I SIGMOND, Ellen M., F~rstestatsgeol c c Institut de Geologie Campus de Beaulieu Norges Geologiske Unders~kelse Avenue du General Leclerc Postboks 3006 35042 RENNES Cedex N-7001 TRONDHEIM France Norge MERILÄINEN, Kauko, Dr. SILVENNOINEN, Ahti, Dr. Geological Survey of Finland Geological Survey of Finland SF-02150 ESPOO Box 77 Finland SF-96101 ROVANIEMI Finland NURMI, Pekka, Dr. Geological Survey of Finland TAIPALE, Kalle, Dr. SF-02150 ESPOO Geological Survey of Finland Finland SF-02150 ESPOO OEN, I.S. Prof. Finland University of Amsterdam Geological Institute TALVITIE, Jouko, Prof. Nieuwe Prinsengracht Geological Survey of Finland AMSTERDAM SF-02150 ESPOO The Netherlands Finland PAOGET, .Peter, Dr. TIAINEN, Markku, loi. Se • Norges Geologiske Unders~kelse : Geological Survey of Finland Postboks 3006 SF-02150 ESPOO N-7001 TRONDHEIM Finland Norge TONTTI, Mikko, L.Ph • PAPUNEN, Heikki, Prof. Geological Survey of Finland Dept. of Geology SF-02150 ESPOO University of Turku Finland SF-20500 TUR.T{U Finland • WELIN, Eric, Prof. Naturhistoriska riksmuseet Sektionen för mineralogi Laboratoriet för isotopgeologi Box 50 007 S-104 05 STOCKHOLM Sweden WESTRA, Laszlo, Dr. Instituut voor Aardwetenschappen Vrije Universiteit 1007 me AMSTERDAM De Boelelaan 1085 Postbus 7161 The Netherlands, VORMA, Atso, Prof. Geological Survey of Finland SF-02150 ESPOO Finland ÖHLANDER, Björn, Bergsingenjör Högskolan i Luleå Avd. för ekonomisk geologi S-951 87 LULEA Sweden · / P R 0 G R A M M E HELSINKI SYMPOSIUM ON THE BP~TIC SHIELD 4-6. March 1985 A Finnish-Swedish contribution to the International Lithosphere Proqram. Working Group 3: Proterozoic Lithospheric Evolution Working Group 4: Archean Lithosphere j Conveners: Gabor Gaal (WG 3, 4), Roland Gorbatschev (WG 3 and chairman of the Swedish ILP­ committee) and Mary von Knorring (secretary of the Finnish ILP-committee) Monday 4.3.85 8.30 Visit to the Geologieal Survey of Finland 10.00 Opening of the Symposium 10.10 G. Gaal: Evolu ion ef the Arehaean and Proterozoie erust in the n rthern and eastern Baltie Shield 10.30 R. Gorbatsehev Crustal evolution in the western and Bal tie Shield seen against the baekgr()]Jnd . an and Proterozoie Ii thoge!1esis f~ f AL 10.50 C.E. geophysieal results of Fennolora 79 11. 10 H. Korhonen: V loei ty strueture of the Earth' s erus~: in Finl d ( _el--- 11 . 30 S.E. Hjelt: As eets ef the geoeleetrie models of th~e~ ____~ Baltie S ield ( ----e.J 0..;;;11 11 .50 Lunch 12.50 Eriksson & Henkel: Regional geophysieal studies in ~, t Seandinavia ~ ~ . ~ 13.10 J. Korhonen: Geomagnetie modelling of upper and lower _~_ erust in Finland 13.30 o. Kouvo: Geologieal ehronogram, Finland: A eomparative study CE 1 a.-b:ji, 13.50 Diseussion 14.00 Coffee 14.25 Ellen Sigmond: Review of Preeambrian ge~logy in SW Norway 14.45 T. Falkum: The relationship between syn- and preofO~n~_!~ . roeks in the Sveeonorwegian orogeny L ~ _~ . 15.05 A. Lindh: Westward growth of the Baltie Shield in SW Sweden j 15.25 Diseussion 15.35 Break 10 min. 15.45 G. Kautsky: The Nordkalott Prejeet 16.05 A. Silvennoinen: The voleanite projeet in northe~_t~~.' Finland l ~ 16.25 A. Björklund: Large-seale struetures ef Preearnbrian on the Nordkalott as refleeted by geoehemistry 16.45 Dinner 2 17.45 Discussion and a contribution by M.A. Etheridge: "An Early Proterozoic tectonic model from Northern Australian Provinces" 20.00 Sauna and evening snack at VKK Tuesday 5.3.85 8. 15 H. Martin and P. Barbey: Contrasting Archaean and Early Proterozoic evolutions of the eastern part of the Baltic Shield 8.35 B. Barbey: Early Proterozoic lithogenetic processes as exemplified by the Belomorian Mobile Belt 8.55 A. Berthelsen and M. Marker: The teetonies of the Lapland Granulite Belt and the Kola Suture 9.15 H. Martin: Genesis and evolution of the continental Archaean crust of East Finland 9.35 Discussion 9.45 Coffee 10.10 T. Skiöld: Comments on the geochronoloqy of northern Västerbotten and Norrbotten, Sweden (written contribution to be read) 10.20 T.C. Pharaoh: Geochemical evidence for the origin of Early Proterozoic volcanic suites in the Northern part of the Baltic Shield 10.40 K.