 | | Journal (volume) | | Geological Survey of Finland Bulletin 259 (formerly Bulletin de la Commission Geologique de Finlande)...Finlande) Genthelvite-hearing greisens in southern Finland by Ilmari Haapala and Pentti Ojanperä Geologinen...tutkimuslaitos . Otaniemi 1972 Geological Survey of Finland, Bulletin 259 (formerly Bulletin de la Commission...1972: Genthelvite-bearing greisens in southern Finland. Ge%gicol SIIrvß)' 0/ Fildond, BII//elin 259. 22...greisen-type genthelvite occurrence has been found in the Eurajoki area and three in the Kymi area. The greisen bodies |  | | Journal (volume) | | of Finland Bulletin 286 Petrography and geochemistry of the Eurajoki stock, a rapakivi-granite complex...with greisen-type mineralization in southwestern Finland by Ilmari Haapala Geologinen tutkimuslaitos •...of Finland, Bulletin 286 PETROGRAPHY AND GEOCHEMISTRY OF THE EURAJOKI STOCK, A RAPAKIVI-GRANITE COMPLEX...GREISEN-TYPE MINERALIZATION IN SOUTH\X'ESTERN FINLAND BY ILM A RI H AAPALA \X' lTI-I IOl FIGUR ES AND...Petrography and geochem istry of the Eurajoki stock, a rapakivi-granite complex with greisen-type mincralization |  | | Journal (volume) | | Geological Survey of Finland Bulletin 285 On the petrochemistry of rapakivi granites with special reference...southwestern Finland by Atso Vorma Geologinen tutkimuslaitos . Espoo 1976 Geological Survey of Finland, Bulletin...PETROCHEMISTRY OF RAPAKIVI GRANITES WITH SPECIAL REFERENCE TO THE LAITILA MASSIF, SOUTHWESTERN FINLAND BY ATSO...petrochemistry of rapakivi granites with special refercnce to the I.aitila massif, sollth",estern Finland. Geological...42 figures, 12 tables, 4 appendices, one plate. Rapakivi is defined in " \\'3)' that restores to the term |  | | Journal (article/letter/editorial) | | Rare Earth Elements Deposits and Occurrences in Finland Thair Al-Ani 1, *, Ferenc Molnár 1 1 2 3 * ID...Geological Survey of Finland (GTK), Betonimiehenkuja 4, FI-02151 Espoo, Finland; ferenc.molnar@gtk.fi...fi Geological Survey of Finland (GTK), Lähteentie 2, FI-96101 Rovaniemi, Finland; panu.lintinen@gtk.fi...Geological Survey of Finland (GTK), Neulaniementie 5, FI-70211 Kuopio, Finland; seppo.leinonen@gtk.fi...important REE prospects and metallogeny of REE in Finland. There is a particularly good potential for future |  | | Journal (article/letter/editorial) | | P.O. Box 64, FI-00014 University of Helsinki, Finland Available online 7 December 2004 Abstract This...reserved. Keywords: Granite; Granitic pegmatite; Petrology; University of Helsinki; Finland 1. Introduction...Department of Geology, University of Helsinki, Finland on January 12–14, 2003 to mark the retirement of...comprehensive account of the current status of granite-oriented research. The topics of the presentations...introductory article, Ilmari Haapala’s career in granite petrology is briefed, and the results of the 20 |  | Michallik, Radoslaw M., Wagner, Thomas, Fusswinkel, Tobias, Heinonen, Jussi S., Heikkilä, Pasi (2017) Chemical evolution and origin of the Luumäki gem beryl pegmatite: Constraints from mineral trace element chemistry and fractionation modeling. Lithos, 274. 147-168 doi:10.1016/j.lithos.2017.01.001 | Journal (article/letter/editorial) | | Gustaf Hällströmin katu 2a, FI-00014 Helsinki, Finland 1 ACCEPTED MANUSCRIPT ABSTRACT The 1928 Ma old...pegmatite is hosted by rapakivi granites of the Wiborg T batholith in southeast Finland. The moderately evolved...data of the Luumäki pegmatite and the host rapakivi granite, in conjunction with geochronological data...of the rapakivi T granites. SC R IP Keywords: Luumäki, beryl, pegmatite, rapakivi granite, miarolitic...2017). T The Proterozoic A-type rapakivi granites of southern Finland (Haapala and Rämö, IP 1999; Rämö |  | | Journal (article/letter/editorial) | | Topaz-bearing Leucogranite in the Eurajoki Rapakivi Granite Stock, Finland I. HAAPALA∗ DEPARTMENT OF GEOLOGY...OF HELSINKI, FINLAND RECEIVED JANUARY 1997; ACCEPTED AUGUST 1997 The 1·57 Ga Eurajoki stock in southwestern...southwestern Finland is composed of biotite–hornblende–fayalite granite, biotite granites and late-stage...late-stage topaz-bearing granite, as well as related topaz-bearing rhyolite (ongonite) dykes. Miarolitic cavities...stages of crystallization of the topazbearing granite, and greisen-type Sn–Be–W–Zn mineralization is |  | | Journal (article/letter/editorial) | | of Proterozoic rapakivi granites? Examples from the western United States and Finland Eric H. Christiansen...O. Box 64, FIN-00014, University of Helsinki, Finland School of Earth and Environmental Sciences, Washington...members of rapakivi granite complexes, especially those of Proterozoic age in southern Finland. This suggests...suggest that topaz rhyolites (and by extension rapakivi granites) are probably not simply melts of mid-crustal...reserved. Keywords: Topaz rhyolite; Cenozoic; Rapakivi granite; Proterozoic; Fluorine; A-type; Anorogenic |  | | Journal (article/letter/editorial) | | 38–58. Accessory Minerals from the Primorsky Rapakivi Granite Complex, West Baikal Region V. B. Savel’evaa...quartz–muscovite–topaz greisens from the Primorsky rapakivi granite complex, West Baikal region, were studied...Allanite(Ce), bastn aesite(Ce), xenotime(Y), Y and Zrthorite, zircon, and cyrtolite have been identified in...1968; Tipomorfizm …, 1989). The Primorsky rapakavi granite complex in the West Baikal region dated at 1.86–1...phases and several facial varieties including rapakivi granite (Obukhov, 1979; Bukharov, 1987; Petrova, Makrygina |  | | Journal (article/letter/editorial) | | Kymi stock, a topaz granite cupola within the Wiborg rapakivi batholith, Finland Ilmari Haapala*, Sari... Physicum), FI-00014, University of Helsinki, Finland Received 28 July 2003; accepted 9 September 2004...was emplaced within the 1.65 to 1.63 Ga Wiborg rapakivi batholith. The stock has a well-developed zonal...stockscheider pegmatite, equigranular topaz granite, porphyritic topaz granite. The contact between the two granites...local inclusions of the porphyritic granite in the equigranular granite indicate that the latter solidified |  | | Journal (article/letter/editorial) | | OF THE KYMI TOPAZ GRANITE STOCK WITHIN THE WIBORG RAPAKIVI GRANITE BATHOLITH, FINLAND: EVIDENCE FROM MELT...P.O. Box 64, FI–00014 University of Helsinki, Finland Rainer THOMAS GeoForschungsZentrum, Potsdam, Telegrafenberg...Helsinki, Finland Abstract The crystallization of the late-stage F-enriched Kymi topaz granite, in southeastern...southeastern Finland, has been investigated by remelting and analyzing crystallized melt inclusions in quartz...equigranular granite and pegmatite crystallized from a more evolved melt than the porphyritic granite. The melt |  | | Journal (article/letter/editorial) | | equigranular rapakivi granite and biotite granite in both igneous complexes, followed by topaz granite in the...complex (ABIC) and albite granite in the Madeira igneous complex (MIC). Rapakivi, porphyritic and granophyric...kbar for the rapakivi granites to below 650 jC and 1 kbar for the peralkaline albite granite. This suggests...– 1 km. Accessory minerals, including zircon, thorite, monazite, columbite – tantalite, cassiterite,...granites are similar to those of other Proterozoic rapakivi granites. However, petrographic, geochemical and |  | Xie, Lei, Wang, Rucheng, Chen, Jun, Zhu, Jinchu, Zhang, Wenlan, Lu, Jianjun, Zhang, Rongqing (2013) A tin-mineralized topaz rhyolite dike with coeval topaz granite enclaves at Qiguling in the Qitianling tin district, southern China. Lithos, 170. 252-268 doi:10.1016/j.lithos.2013.03.001 | Journal (article/letter/editorial) | | tin-mineralized topaz rhyolite dike with coeval topaz granite enclaves at Qiguling in the Qitianling tin district...2013 Keywords: Qiguling topaz rhyolite Dike Topaz granite enclaves Cassiterite Qitianling Southern China...present as a dike within the Qitianling biotite granite batholith of the Nanling Range of southern China...wide and 500 m long, contains enclaves of topaz granite. These rhyolites contain up to 72 wt.% SiO2, have...sponge-textured fills between rock-forming minerals. Granite enclaves and their hosted rhyolite have similar |  | | Journal (article/letter/editorial) | | Miarolitic pegmatites of the Viborg rapakivi granite massif, SE Finland, with special attention to the green...Abstract Since the 1970's the rapakivi granite of the Viborg massif in SE Finland has been known for miaro/itic...Kannatsalo, Kiwijarvi, near Luumaki, Karel/a, Finland. The well zoned, highly fractionated REE pegmatite...pegmatite is located within the Viborg rapakivi A-type granite massif, which is an approximately 1650 Ma anorogenic...Viborg rapakivi granite covers large areas of SE Finland and consists of several varieties of granite. Rapakivi |  | | Journal (article/letter/editorial) | | scientists from Australia, Brazil, Canada, Colombia, Finland, and the United States of America. Two field trips...Metallogenic significance of A-type granites, (3) Granite types, and (4) Lithosphere evolution. The final...August 14 to 20, 2010 in Finland with (1) a field trip to the Wiborg rapakivi batholith and (2) a technical...representative Archean to Neoproterozoic A-type granite assemblages in Brazil and deals with the classification...metaluminous to peraluminous rapakivi granites, but a peralkaline albite-rich granite (Madeira), strongly mineralized |  | | Journal (article/letter/editorial) | | 1995 Printed in Austria One hundred years of Rapakivi Granite O. T. R/im6 and I. Haapala Department of Geology...Helsinki, Finland With 11 Figures Received March 17, 1993; accepted December 10, 1993 Summary Rapakivi granites...recently redefined as A-type granites showing rapakivi texture at least in the larger batholiths, occur...silicic intraplate magmatism on Earth. Most of the rapakivi granites are Proterozoic (mainly 1.0 to 1.7 Ga)...Fe-enriched intermediate rocks, and monzonite, beside granite; mingling of silicic and mafic magmas is typical |  | | Journal (article/letter/editorial) | | P.O. Box 64, FI-00014 University of Helsinki, Finland Geological Survey of Namibia, P.O. Box 2168, 1...Elsevier B.V. All rights reserved. Keywords: A-type granite; Rifting; Mantle plume; Petrogenesis; Geochemistry...studies of the Gross Spitzkoppe and Klein Spitzkoppe granite stocks were started in 1994 and the results have...125 Ma, are obtained for the Gross Spitzkoppe granite as well as alkaline rocks and lamprophyre dikes...granodiorite and tourmaline-bearing biotite granite (Erongo granite) as well as minor alkaline plugs. A semi-circular |  | Costi, H. T., Dall'Agnol, R., Pichavant, M., Ramo, O. T. (2009) THE PERALKALINE TIN-MINERALIZED MADEIRA CRYOLITE ALBITE-RICH GRANITE OF PITINGA, AMAZONIAN CRATON, BRAZIL: PETROGRAPHY, MINERALOGY AND CRYSTALLIZATION PROCESSES. The Canadian Mineralogist, 47 (6) 1301-1327 doi:10.3749/canmin.47.6.1301 | Journal (article/letter/editorial) | | PERALKALINE TIN-MINERALIZED MADEIRA CRYOLITE ALBITE-RICH GRANITE OF PITINGA, AMAZONIAN CRATON, BRAZIL: PETROGRAPHY...Helsinki, Finland Abstract The 1.818 Ga magmatic, subsolvus, Madeira albite-rich granite of the Pitinga...to peralkaline hypersolvus granite is comagmatic with the albite-rich granite. Petrographic studies indicate...derived from the residual melt. The albite-rich granite probably originated by crystallization of a dense...albite-rich subsolvus granite, peralkaline, tin, niobium, cryolite, immiscibility, Madeira granite, Pitinga mine |  | Brigatti, Maria Franca, Affronte, Marco, Elmi, Chiara, Malferrari, Daniele, Laurora, Angela (2015) Trioctahedral Fe-rich micas: Relationships between magnetic behavior and crystal chemistry. American Mineralogist, 100 (10) 2231-2241 doi:10.2138/am-2015-5145 | Journal (article/letter/editorial) | | [vi]Al-rich magnesian annites from the peraluminous-granite zone, located in Oquossoc and Bryant Pond areas...et al. 2001). Sample Eurajoki is a lithian siderophyllite from the Väkkärä granite outcropping in the central...of the polyphasic Eurajoki stock, a rapakivi-granite complex in southwestern Finland. Lithian siderophyllite...cassiterite, bastnaesite, xenotime, columbite, and thorite (Haapala 1977). Chemical composition and calculation...Sample Tapira Albano Oquossoc Bryant Pond Catalão Eurajoki Chemical composition (oxide wt%) SiO2 38.30 36 |  | | Journal (article/letter/editorial) | | Ulkan–Dzhugdzhur OreBearing Anorthosite–Rapakivi Granite–Peralkaline Granite Association, Siberian Craton: Age...the Ulkan–Dzhugdzhur anorthosite–rapakivi gran ite–peralkaline granite association and related mineralization...timedependent sequence: moderately alkaline subsolvus granite → moderately alka line and alkaline hypersolvus...hypersolvus granites → peralkaline hypersolvus granite. All endogenic deposits in the stud ied district are related...deposits are genetically related to peralkaline granite. Formation of uranium deposits was most likely |  | | Book | | Precambrian Geology, 14 PRECAMBRIAN GEOLOGY OF FINLAND KEY TO THE EVOLUTION OF THE FENNOSCANDIAN SHIELD...Precambrian Geology, 14 PRECAMBRIAN GEOLOGY OF FINLAND KEY TO THE EVOLUTION OF THE FENNOSCANDIAN SHIELD...University of Helsinki, Finland P.A. NURMI Geological Survey of Finland Espoo, Finland .. .. O.T. RAMO University...University of Helsinki, Finland ELSEVIER Amsterdam – Boston – Heidelberg – London – New York – Oxford...Svecofennian bedrock ........................13 6. Rapakivi magmatism and the Jotnian period ............ |  | | Journal (article/letter/editorial) | | Eletozero–Tiksheozero alkaline and Salmi anorthosite–rapakivi granite complexes. Raremetal pegmatites bear complex...the Paleoproterozoic Per japohja Schist Belt in Finland (Cathelineau et al., 2013). The REE occurrences...and the Salmi and and Ulyaleg anorthosite–rapakivi granite massifs have economic perspective (figure;...ore (<0.15%). The greisenized granites of the rapakivi complex are distinguished by elevated Y (up to...localized at the western con tact of the Salmi rapakivi massif: the Hirsimjaki occur rence (up to 0.2% |  | | Journal (article/letter/editorial) | | mineralization processes in Paleo- to Mesoproterozoic rapakivi granites: examples from Pitinga and Goiás, Brazil...(northern Brazil) are within-plate, shallow-level rapakivi granites associated with an extensional fracture...wiborgitic rapakivi granite, a fine- to medium-grained biotite granite, as well as topaz granite (Água Boa...Boa massif) and albite granite (Madeira massif). The granites are usually metaluminous to peraluminous...peraluminous, the albite granite, however, is peralkaline. They are enriched in SiO2, K2O, Na2O, F, Rb, Th, Nb |  | | Journal (article/letter/editorial) | | Average Chemical Composition of the Main Younger Granite Rock Types (after MacLeod et al., 1971) 3. Al...diameterand comprisean outer ring dike of fayalite granite porphyry surroundingdownfaultedvolcanic and basementrocks... fluorite, thorite, and monazite. Generally,any singleintrusivephase of biotite granite showsa good...the biotite granitesare gene- the 1hainYounger Granite rock typesare shownin tically related to tin and...dispersed lnineralization occurwithinthe Rayfield-Gona granite(Jos-Bukuru complex)and the Odegigranite(Afu complex)(Fig |  | | Journal (article/letter/editorial) | | Time”: Project vita, results, and contribution to granite research 1. Introduction The IGCP 510 project...significance in metallogeny; (3) Their bearing on granite typology and evaluation of hitherto proposed classifications;...particular, the definition and usage of the term “A-type granite” continue to cause some ambiguities (cf. Section...ca. 1525 Ma Mucajaí complex is composed of rapakivi granite and subordinate monzonite, syenite, and anorthosite...regime metasomatize the lower crust into A-type granite composition, which in turn melts more or less completely |
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