 | 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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| Häufigkeit eine Analogie zu den Typen Routivare, Lake Sanford, Smälands Taberg (auch Välimäki, Otanmäki...Basalten mit metallischem Eisen. Hier waren die Ilmenite in allen Übergangsstufen, z. T. aber völlig in...vielfach »sekundän) aus Ulvöspinell entstandene Ilmenite aufzufinden. »Sekundär» kann hierbei sehr vieldeutig...Mischungslücke anzudeuten scheinen (zwischen »Ferri-ilmenite» bzw. »Titanohematite») so entspricht das zwar...Magnetitkörper auf Korngrenzen von Ilmenitaggregaten, deren Ilmenite anscheinend latent weniger aufblätterungsfähig |
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| DE FINLANDE N :o 156 ON SULPHIDES OF THE SULPHIDE-BEARING SCHISTS OF FINLAND BY VLADI MARMO AND AIMO MIKKOLA...DE FINLANDE N:o 156 ON SULPHIDES OF THE SULPHIDE-BEARING SCHISTS OF FINLAND BY VLADI MARMO AND AIMO MIKKOLA........................ G 3. MICROSCOPIC STUDIES OF ORE MINERALS IN THE SULPHI DESCHISTS .............. ............. 'i A) SOME SULPHIDE - SCHISTS OF THE SVECOFENNIDIC AREA I SOUTHERN FI:NLAXD ...SULPHIDE-SCI-IISTS OF ETELÄ-POI-IJANMAA .. . . . . . . . . . . . . . ... . 13 c) SULPI-IIDE-SCI-IISTS OF KESKI-POHJANMAA |
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| COMMISSION GEOlOGIQUE OE FINLANOE N:o 171 OTANMÄKI THE ILMENITE - MAGNETITE ORE FIELD IN FINLAND BY VEIKKO PÄÄKKÖNEN...COMMISSION G~OLOGIQUE DE FINLANDE THE OTANMÄKI ILMENITE-MAGNETITE ORE FIELD IN FINLAND BY VEIKKO PÄÄKKÖNEN... . .. .. .. . . 7 THE MAIN GEOLOGICAL FEATURES OF THE VUOLIJOKI REGION 10 EARLIER STUDIES . .......... ..... ...•. ••...... ....... ... THE ROCKS OF THE REGION THE STRIPED GNEISS .. . . . . . . . .... .. .. . . •• . . . . 29 GEOLOGIC DESCRIPTION OF THE OTANMÄKI ORE FJELD .. ..... . 32 ORE DEPOSITS |
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| Geological Survey of Finland Bulletin 297 On the geology and the Cambrian sediments of the circular depression... Geological Survey of Finland, Bulletin 297 ON THE GEOLOGY AND THE CAMBRIAN SEDIMENTS OF THE CIRCULAR DEPRESSION...vaara, J. and Boström, R . 1978: O n the geology of the circular depression at Söderfjärden, western...and 4 tables. The conspicuous circular structure of Söderfjärden was studied by geological observations...tologically dated to Lower Cambrian. The occurence of a tuffaceous breccia indicates that the structure |
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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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| 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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| 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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| CONTRIBUTIONS TO THE KNOWLEDGE OF THE CHEMISTRY OF THE RADIOACTIVE MINERALS OF FINLAND BY LAURILOKKA WITH...CONTRIBUTIONS TO THE KNOWLEDGE OF THE CHEMISTRY OF THE RADIOACTIVE MINERALS OF FINLAND BY LAURILOKKA \'(11T...Photometrie Determination of Nb 2 0 S in Mixed oxides Nb 2 0 5 +Ta 2 0 On the Ohemistry of Wiikite . ..........on the Formula of Wiikite . ... ... .. ... . .. . . S 37 39 . . 48 55 ON THE AGE OF THE RADIOAOTIVE...WIIKITE FROM SALLA, E. LAPLAND. A NEW OOOURRENOE OF WIIKITE . . ....... . .... ... .......... . .... |
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| GEOLOGIQUE DE FINLANDE N:o 70 THE AVERAGE COMPOSITION OF THE EARTH'S CRUST IN FINLAND Sy J. J. SEDERHOLM...Wltb one plate of figuros. August 1905 ....._ ...... _..... ...... 6:On the Occurrence of Gold in Finnish...GEOLOGIQUE OE FINLANOE N:o 70 THE AVERAGE COMPOSITION OF THE EARTH'S CRUST IN FINLAND BY J. J. SEDERHOLM...11 <.:omputation of the average composition of the earth·s crust within the borders of F illland. For this...this purpose the areas occupied by roch of different chemical composition were m easured on the map, |
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| N:o 169 PROSPECTING FOR BOG-COVERED ORE BY MEANS OF PEAT INVESTIGATIONS BY MARTTI SALMI WITH 6 FIGURES...:o 169 PROSPECTING FOR BOG-COVERED ORE BY MEANS OF PEAT INVESTIGATIONS BY MARTTI SALMI WITH 6 FIGURES... • . . . . . . . . . . . . 9 CHEMICAL ANALYSIS OF THE PEAT . . . . . . . . . • . • • . . . . . . ..... . . . . . . . . • . . . . .. CHEMICAL ANALYSIS OF THE PEAT " . . . . . . . . . . . . . ••. • . . .... . . . . . . . . . . . . . •. CHEMICAL ANALYSIS OF THE PEAT . . . . . . . . . . . . . . . . . . . . |
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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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| the alkali rocks of Iivaara was back in the year 1945, when, under the direction of my esteemed teacher...alkaline district of Iivaara in the collections of the Institute of Geology of the University of Helsinki. In...In the summer of 1954 I was given the opportunity of doing field work and collecting material from the...In this work and in that carried out on the basis of the earlier material, I received noteworthy assistance...material at the laboratory of the Geological Survey of Finland under the guidance of Prof. Lauri Lokka and |
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| Fennia 12. HYYPPÄ, E. (1937), The postglacial changes of shore-line in South Finland. Bull. Comm. geol. Finlande... K. (1935), Archaeological dating in the history of North Jutlands vegetation. Acta Archaeol. 5. KOLBE...(1955), Professor Sauramo's view on the Ancylus Lake. Geol. Fören. Förh . 77. MÖLDER, K. (1946), Zwei...(1957), The second Salpausselkä at Jylisj ä rvi, east of H ä meenlinna. Fennia 8 1, N:o 4. OKSANEN, V. (1916)...i·Su omessa. Summary: The date of the b eginning of the general spread of the spr uce in ' '\Test Finland |
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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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| 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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| ON MIGMATITES AND ASSOCIATED PRE-CAMBRIAN ROCKS OF SOUTHWESTERN FINLAND PART I lHE PELUNGE REGION BY...With one plate of figur es. August 1905 •...... . . . .... .. .. .. ...• On the Occurrence of Gold in Finnish...1923 GOVERNMENT PRINTING OFFICE l.~ j T ABLE OF THE CONTENTS. PAge SCOPE AND METHODS 0]' THE INVES'fIGATION........ 1 18 GENERAL CHARACTER OF THE PELLINGE REGION AND OUTLINE OF rrs PRE-CAMBRIAN GEOLOGY .........TlGRAPHICAL RELATlONS OF THE SUPERORUSTAL AND ASSOCIA'l'ED BYPABYSSlC ROCKS OF THE PELLINGE REGION.. |
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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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| GEOLOGIQUE DE FINLANDE N:o 122 ON THE PETROLOGY OF FINNISH QUARTZITES BY ANNA HIETANEN WITH Z9 FIGURES...GEOLOGIQUE OE FINLANOE N:o 122 ON THE PETROLOGY OF FINNISH QUARTZITES BY ANNA HIETANEN WITH 2~ FI... .. . . . . . . . . . . . . .\. QUARTZTTE AREAS OF SOUTH OSTROBOTJ-INIA . . . . . . . • . . . . . •...::\'lineralogy of t h e qua l'tzitp. Thc l\ [a ngan ese ::\'linerals . . Potrofabrios of quartz .......... . . . . . . . . . . . . . . . QUARTZITE AREAS OF W ESTERN LAPLAND . . . . . . . . . . .• . . . . |
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| . . . . . . . . . L9 \ -. Tanner, The Probl ems of tl1E' Eskers. I I . The Vacer E;;ker, 1nari, Lapland...... . 40 L. H_ Borgström, The Chemie al Formulas of Haüyne alld Cancrinitc .51 C. E. \Vegmann. Ü ber...Dibilltegration of Rapakivi . . . . . . . . . .. 96 Ppntti E skola, On the Rocks of the Upper Bargousin...1912. ]S p., 5 pl. 2 KRANCK, E. H., A ster eo gram of ::;uursaari (Hoglallel). Fennia iilJ, X:o 18. HcJs...PROBLEMS OF THE ESKERS. 11. l'HE VÄCER ESKER, INAlU, LAPLAXI). In the northeastern part of Inari parish |
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| Eskola, On the Petrology of Eastern Fennoskandia. 1. 1'11e Mineral Development of Basic Rocks in the Karelian...ap hi e CycJe in a n Ar id Climate . .J 0111'11 . of C: eology, " 01. XIII, X: o 5, S. 33 9- 401. i:l...\Vasser entstehen kÖnnen. 2 A. 'Y. Grabau. Principlpt; of Str<1tigraphy, 2. Auf!. , XP\··York 192.!, S. 85...Eskolct, On the Petrology of Ea 'te1'11 FelUlOska.ndia. 1. The Mineral Development of Basie [{oeks in the Karelian..., On the Petrology of Eastern Fennotikancli>1. 1. The Mineral ]) p. velopmen t of B asic H ock s in t |
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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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| 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 |
