 | Salminen, J., Donadini, F., Pesonen, L. J., Masaitis, V. L., Naumov, M. V. (2006) Paleomagnetism and petrophysics of the Jänisjärvi impact structure, Russian Karelia. Meteoritics & Planetary Science, 41 (12) 1853-1870 doi:10.1111/j.1945-5100.2006.tb00456.x | Journal (article/letter/editorial) |
| Paleomagnetism and petrophysics of the Jänisjärvi impact structure, Russian Karelia J. SALMINEN1*, F. DONADINI1...1Division of Geophysics, Department of Physical Sciences, P.O. Box 64, FIN-00014 University of Helsinki...Sredny Prospect 74, Saint Petersburg, RUS-199106, Russia *Corresponding author. E-mail: johanna.m.salminen@helsinki...and target rocks from the Lake Jänisjärvi impact structure, Russian Karelia. The impactites (tagamites...electron microscope (SEM) analysis document the presence of primary multidomain titanomagnetite with additional |
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| GEOLOGIQUE DE FINLANDE N:o 55 ON VOLCAN1C NECKS IN LAKE )ÄNIS)ÄRVI IN EASTERN f'INLAND BY PENTTI ESKOLA...Related Dike rock, by I. G. SUNDELL. Witb one plate of figures. August 1905 ........................ 3:-...DE FINLANDE N:o 55 ON VOLCANIC NECKS IN LAKE JÄNISJÄRVI IN EASTERN fINLAND BV PENTTI ESKOLA HELSINGFORS...in a region southeast OI Lake Jänisjärvi in Eastern Finland, and north OI Lake Laatokka (Ladoga), several...glacial boulders of an aphanitic volcanic rock. On the southeast shore of Jänisjärvi the boulders DJake |
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| MMISSION GEOLOGIQUE DE FINLANDE N:o 67 'rRACING OF GLACIAL BOULDERS AND ITS APPLICATION IN PROSPECTING...August 1900 ................... 6: On the Occurrence of Gold IllFmlllsh Laphlld, by CUI(T .l!'IRCKS. Witb... Contents.. Jntroduct,ion Examples of the distribution and traeing of boulders .. . ... . . .... . . ..... . . . . .. . . .. . . . .. . '.rhe pyritic ore of Otravaara . . . . . . . . . . . . . . . . . . . ...ore of Jalonvaara. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. The dacite of Jänisjärvi |
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| Geological Survey of Finland Bulletin 282 Lake Lappajärvi, a meteorite impact site in western Finland...read spaced • Geological Survey of Finland, Bulletin 282 LAKE LAPPA]ÄRVI, A METE OR ITE IMPACT SITE...IM USLAIT O S ES POO 1 976 Lehtinen, M. 1976. Lake Lappajärvi, a meteorite impact site in western Finland...roughly elliptical lake covering an area of 160 km' . The surrounding bedrock consists of Precambrian granite...granite pegmatites and mica gneisses. The lake occupies an area of low magnetic relief, and the preliminary |
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| BELT 20 27 OROGENIC PLUTONIC ROCKS PLUTONIC ROCKS OF THE SVECOFENNIDIC BELT ................ 30 .....PLUTONIC ROCKS OF THE KARELIDIC BELT UNMETAMORPHIC SEDIMENTARY ROCKS ARKOSE SANDSTONE OF SATAKUNTA ........ . ........ . .......... . 36 SILTSTONE OF MUHOS 37 QUARTZ SANDSTONE 38 ANOROGENIC IGNEOUS..... . . .. ... 47 INTRODUCTION The rock crust of Finland belongs to the Fennoscandian Shield, whose...southeastern boundary. The bedrock of Finland represents a deeply denuded section of the pre-Cambrian mobile belts |
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| COMMISSION GEOlOGIQUE OE FINLANOE N:o 177 THE STRUCTURE OF AN ARCHEAN AREA: ORIJÄRVI, FINLAND BY HEIKKI v...COMMISSION G~OLOGIQUE OE FINLANOE N:o THE STRUCTURE OF AN ARCHEAN AREA: ORIjÄRVI. FINLAND BY HEIKKI v....... .. ......... ................ CO ORDINATION OF MAPS l\:t:AGNETIC SURVEY .. . . . . . . . . . .... . . . . . . . . . 8 REDUCTION AND COMPILATION OF FIELD MAPS ............. ...... . GEOLOGIC 8 MAGNETIC.... STRUCTURAL SIGNIFICANCE OF THE GEOPHYSICAL MAP .. .. ..... . ROCKS OF THE REGION. . . . . . . . . |
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| COMMISSION GEOlOGIOUE DE FINLANDE N:o 182 RADIOACTIVE AGE OF SOME FINNISH PRE-CAMBRIAN MINERALS BY OLAVI KOUVO...COMMISSION G~OLOGIQUE DE FINLANDE N : o RADIOACTIVE AGE OF SOME FINNISH PRE-CAMBRIAN MINERALS BY OLAVI KOUVO.... . . . . . . . . . . . . • . . . . . SEPARATION OF MINERALS ............... .... ....... . . . ....... . . . . . . . . • . . . . . . 28 MEASUREMENT OF THE UNIT -CELL DIMENSIONS . .. . . . . . . . . ..... . . . . . . . . • . . . . . 31 31 COMPARISON OF AGE DATA . . . . . . . . . . . . . . . . . . . . |
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| 1 .:&-C. ( R o ' ON THE GEOLOCY AND TECTONICS OF THE OUTOKUMPU ORE FIELD AND REGION BY H E l K K...CEOLOG~QUEDE FINLANDE N:o 124 ON THE CEOLOGY AND TECTONICS OF THE OUTOKUMPU ORE FIELD AND REGION WITH 1 1 FIGURES...T H ? DEVELUPMENT O F ITS OUTPUT T E E SPBEADXNG OF GLACIAL BOULDEBS MINOR OCCUFBENCES O F 8tJLPHIDE...FEATURES AND ROCK SERiES OF THE rnCfI0N THE FAULT AND JOINTING TECTONICS OF T H E REGION ........ ....FAULT-LINE 0FISSURES AXD SOINTINO DIRECTIONS THE ORIGIN OF CRACKS AND FAULTS ................... ........ |
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| FINLANOE N:o 175 PEAT AND BOG PLANTS AS IND/CATORS OF ORE MI NE RALS I N VI HANTI ORE F/ELD IN WESTERN...FINLANOE N:o 175 PEAT AN D BOG PLANTS AS IN DICATORS OF ORE MINERALS IN VIHANTI ORE FIELD IN WESTERN FINLAND...METHODS .............................. 7 RESULTS OF THE INVESTIGATION ......... .. .. .................. . . . . . . • . . . . .. . . . . . 8 CONTENT OF TRACE ELEMENTS IN THE PEAT AND LEDUM PALUSTRE LEAVES................................•. 13 EXAMINATION OF THE RESULTS ............ ... . . ............... |
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| FINLAND THE AGE OF THE SURROUNDING GABBRO-ANORTHOSITE COMPLEX AND THE CRYSTALLIZATION OF RAPAKIVI BY ANTTI...FINLAND THE AGE OF THE SURROUNDING GABBRO-ANORTHOSITE COMPLEX AND THE CRYSTALLIZATION OF RAPAKIVI BY ...Valtioneuvoston kirjapaino PREFACE I have the honor of being a pupil of Prof. Pe nt ti Es k 0 I a, and it is from...kar i, director of the Geological Survey of Finland, and Dr. A h t i Si mon e n, chief of department at...Geological Survey. I further wish to acknowledge my debt of gratitude to the E mi 1 Aal ton e n F 0 und a t ion |
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| . . . . . . . . . Antti Salminen, The Influence of Exposure upon Temperature Differences in Rocks ....nodu Jaire .... Pentti Eskola, On the Principles of :Mctamorphic Differentiation 7 8 11 11 13 16 16...a j prof. Ala d a r Ve n d l fra n Budapest , p r of. Ar m in Öpik fran D orpat och dr. Eugene vVegm a...d e Pf'),(,~' \" a g ner: The Platimun D eposits of South Africa. Toht .•vf. Saksela: K eski-Pohjanmaan...suiyantes. Esitehniä - Före drag - Conferences_ P1'Of· J_ J. Sedel'holm: Om d en subbottniska di»kordansell |
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| . . . . . . . . . Antti Salminen, The Influence of Exposure upon Temperature Differences in Rocks ....nodu Jaire .... Pentti Eskola, On the Principles of :Mctamorphic Differentiation 7 8 11 11 13 16 16...a j prof. Ala d a r Ve n d l fra n Budapest , p r of. Ar m in Öpik fran D orpat och dr. Eugene vVegm a...d e Pf'),(,~' \" a g ner: The Platimun D eposits of South Africa. Toht .•vf. Saksela: K eski-Pohjanmaan...suiyantes. Esitehniä - Före drag - Conferences_ P1'Of· J_ J. Sedel'holm: Om d en subbottniska di»kordansell |
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| FINLANOE N :o 181 ON THE CHARNOCKITES IN THE LIGHT OF A HIGHLY METAMORPHIC ROCK COMPLEX IN SOUTHWESTERN...FINLANOE N :o 181 ON THE CHARNOCKITES IN THE LIGHT OF A HIGHLY METAMORPHIC ROCK COMPLEX IN SOUTHWESTERN...kirjapaino PREFACE Part One of this paper deals historically with the development of the charnockite concept...an exposition of the author's own observations, made on a basis of regional geology, of charnockitic and...examined within the bounds of the results obtained. The various phases of the work are discussed in the |
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| COMMISSION GEOlOGIOUE DE FINLANDE N:o 189 PLUTONIC ROCKS OF THE SVECOFENNIDES IN FINLAND BY AHTI SIMONEN with...COMMISSION GEOLOGIQUE DE FINLANDE PLUTONIC ROCKS OF THE SVECOFENNIDES IN FINLAND By AHTI SIMONEN w... CONTENTS Page PREFACE 5 HISTORICAL OUTLINES OF THE STUDY OF THE SVECOFENNIDIC PL UTONIC ROCKS ............ . . . . . . .. TAMPERE AREA AND ADJOINING PART OF CENTRAL FINLAND. . . . . . . . . . . 45 46 MIDDLE... . . . . . . . . . . . . . . . . 64 COMPARISON OF MINERALOGICAL AND CHEMICAL CHARACTERIS· TICS. .. |
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| DE FINLANDE N:o 148 STRUCTURAL HISTORY OF THE EASTERN PART OF THE GULLKRONA BASIN, SW-FINLAND BY NILS...DE FINLANDE N :o 148 STRUCTURAL HISTORY OF THE EASTERN PART OF THE GULLKRONA .BASIN, SW-FINLAND BY NILS... . .. . ......... . ..... . ........ . . OUTLINE OF THE GEOLOGY .... . .............. . . . ...........•. . .. .. . . . .. . . . . . . . . . 30 DIKES OF :\IIGl\IATITIC GRANITE . . . . •• . . . . . . . ...INTRUSION OF THE DIABASE (TRAP) DIKES . . . . . . . . . . . . . . . . . . . . . . . . . INTRUSION OF THE ORTHOCLASE-BEARING |
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| GEOLOGIQUE DE FINLANDE N:o 133 ON THE GEOCHEMISTRY OF TANTALUM BY KALERVO RANKAMA WITH I FIGURE IN...GEOLOGIQUE DE FINLANDE N :o 133 ON THE GEOCHEMISTRY OF TANTALUM BY KALERVO RANKAMA WITH 1 FIGURE IN THE... _ . _ . _ 5 7 !J !) CHOICE OF THE METHOD FOR THE PRE-E:SRICHMENT OF THE EARTH ACIDS .• _ ... . . ..... . . . . . . . . . .. . . - . - . . TECHNIQ.UE OF THE PRE-ENRICHMENT I. SA:liPLING . . . . . . . ..... . . . . . . • - . . . . . . J I. DECOMPOSITION OF THE SAMPLES ......................... . ...... |
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| komplizierten Entwicklung. Nach der Bildung der Cordierite wurde das Gestein nicht mehr intensiver durchbewegt...etwa in der Mitte des Vorganges Granate oder Cordierite gebildet haben. Wenn das Gestein nebulitisiert...Vielleicht werden sich auch hier die grossen Cordierite als jünger, vielleicht sogar die ganze Lagerstätte...fig., 1 pI. 2. BAcKLuND, H. G., On the Stability of the Earth's Crust in Central Fennoscandia. Fennia...4. BowEN, N. L., The Behavior of Inclusions in Igneous Magmas. Journ. of Geol. Vol. XXX. Chicago 1922 |
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| TOIMITTAJA-EDITOR MAUNO L EHIJÄRVI GEOLOGICAL SURVEY OF FINLAND OTANIEMI, FINLAND Helsinki 1965. Valtioneuvoston...SAVOLAHTI, On the Schists and Associated Intrusive Rocks of the 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Vieremä...ANFERÄ., A R estudy of ,)Karamsini te,) ..... . . . . K. J. NEUVONEN, Paleomagnetism of the Dike Systems...Systems in Finland . 1. Remanent Magne tisation of Jotnian Olivine Dolerites in Southwestern Finland .. ......Columbite and Tapiolite from the P egmatite Area of Tamrnela and Somero in SW Finland ...... ..... . |
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| TOIMITTAJA-EDITOR MAUNO L EHIJÄRVI GEOLOGICAL SURVEY OF FINLAND OTANIEMI, FINLAND Helsinki 1965. Valtioneuvoston...SAVOLAHTI, On the Schists and Associated Intrusive Rocks of the 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Vieremä...ANFERÄ., A R estudy of ,)Karamsini te,) ..... . . . . K. J. NEUVONEN, Paleomagnetism of the Dike Systems...Systems in Finland . 1. Remanent Magne tisation of Jotnian Olivine Dolerites in Southwestern Finland .. ......Columbite and Tapiolite from the P egmatite Area of Tamrnela and Somero in SW Finland ...... ..... . |
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| HELSINGFORS SEPTEMBER 1928 GOVERNMENT PRESS T ABLE OF CONTENTS. PREFACE ............. .. IXTROD -L~C TOI-{')'""...K TIlE ORBI CULAR GUAXITE OF PL'"UTSA.\ RI IN JAAKKIMA THE GRAN IT!': OF TH!': NEIG lI BOC'R IIOO I).... . . . . . . . . . . TJlE ORBICl'LAR GRAX IT E OF ESßO (NUOKS L .,\XGTRÄSK) OUSlcRYAT IONS IN THE:.... . • . . . • • . . . . •. .. TllP g l't\llitC' of tlw nC'ighboul'hood . .. . . ... . . .. .... . ....;;phcroidH . .. . . ........ . . TH E ORBICl'LAR GRAXITb: OF KAXGASALA (KLOHEXl\IAA) ..... ~l . .. . .. • ' |
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| PRE-CAMBRIAN ROCKS OF SOUTHWESTERN FINLAND PART ß. THE REGION AROUND THE BARÖSUNDSFJÄRD W . OF HELSINGFORS AND...Wit 'one plate of figures. August 1905 ..... . ..... . .... 15: On the Occurrence of Gold in Finnish...Fellnoskandia och 11 figurer i texten. English Summary of the Contents: On Granite and Gneiss, their Origin...Pre-Cambrian Complex of Fenno-Scandia . With 8 plates, a coloured plan, a geological sketch-map of Fenno-Scandia...PRE-CAMBRIAN ROCKS OF SOUTHWESTERN FINLAND PART 11 THE REGION AROUND THE BARÖSUNDSF ]ÄRD W. OF HELSINGFORS |
