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| | Journal (article/letter/editorial) | | ARTICLE
Source of boron in the Palokas gold deposit, northern Finland:
evidence from boron isotopes and...recently discovered Palokas gold deposit is part
of the larger Rompas-Rajapalot gold-mineralized system...Peräpohja Belt, northern Finland.
Tourmaline is an important gangue mineral in the Palokas gold
mineralization...composition of tourmaline from three areas: (1)
the Palokas gold mineralization, (2) a pegmatitic tourmaline...90014 Oulu, Finland
2
Mawson Resources Ltd., Vancouver, Canada
3
Geological Survey of Finland, P.O. Box | 👁 Image
| | Journal (article/letter/editorial) | | in the example of the deposits in the Central Lapland Paleoproterozoic belt, gold mineralization formed...boundary, a suture delineating the core of the Lapland–Kola orogen in the north, and the series of overthrusts...segment of the Russian Arctic and in northern Finland. In the article below, data on the age of pre-ore...the better-studied gold deposits in the Finnish Lapland. Minerals 2022, 12, 537. https://doi.org/10.3390/min12050537...the better‐studied gold deposits in the Finnish Lapland. Minerals 2022, 12, 537 2 of 21 2. Distribution | 👁 Image
| Molnár, Ferenc, O’Brien, Hugh, Stein, Holly, Cook, Nick (2017) Geochronology of Hydrothermal Processes Leading to the Formation of the Au–U Mineralization at the Rompas Prospect, Peräpohja Belt, Northern Finland: Application of Paired U–Pb Dating of Uraninite and Re–Os Dating of Molybdenite to the Identification of Multiple Hydrothermal Events in a Metamorphic Terrane. Minerals, 7 (9) 171 doi:10.3390/min7090171 | Journal (article/letter/editorial) | | the
Rompas Prospect, Peräpohja Belt, Northern Finland:
Application of Paired U–Pb Dating of Uraninite...4
1
2
3
4
*
Geological Survey of Finland, FI-02151 Espoo, Finland; hugh.obrien@gtk.fi
AIRIE Program...0315 Oslo, Norway
Mawson Oy—Finland, Ahjotie 7, 96320 Rovaniemi, Finland; ncook@mawson.fi
Correspondence:...metasedimentary and
metavolcanic units at the Palokas prospect; a few kilometres from Rompas. Results...the Paleoproterozoic Peräpohja belt,
northern Finland (Figure 1) showed that accumulation of gold was | 👁 Image
| | Book | | the Kola region, Northern Karelia, and Finnish Lapland. The main attention is paid to geological and structural...Zonality of regional metamorphism in the Central Lapland greenstone belt (Hölttä et al., 2007). Условные...principal geological-structural elements of the Lapland-Pechenga area (adopted after Seismologicheskaya...deposits and their distribution in the territory of Finland (Quantitative assessment…, 2016). The deposits...Fig. 46. Schematic geological map of the Central Lapland greenschist belt (Mineral deposits…, 2015). 124 | 👁 Image
| Hartmann, Léo A., Werle, Mariana, Michelin, Cassiana R.L., Lana, Cristiano, Queiroga, Gláucia N., Castro, Marco P., Arena, Karine R. (2019) Proto-Adamastor ocean crust (920 Ma) described in Brasiliano Orogen from coetaneous zircon and tourmaline. Geoscience Frontiers, 10 (4) 1623-1633 doi:10.1016/j.gsf.2018.09.018 | Journal (article/letter/editorial) | | described in Brasiliano Orogen
from coetaneous zircon and tourmaline
Léo A. Hartmann a, *, Mariana Werle...proto-Adamastor. We use multi-technique U-Pb-Hf zircon and d11B
tourmaline isotopic and elemental compositions...metaserpentinite,
both belonging to the Bossoroca ophiolite. Zircon is 920 Ma-old, 3 Hf(920 Ma) ¼ þ12, HfTDM ¼ 1.0...Keywords:
Coeval zircon and tourmaline
Bossoroca ophiolite
Early Brasiliano Orogen
Zircon U-Pb-Hf isotopes...isotopes
Zircon trace elements
Tourmaline boron isotopes
1. Introduction
Proto-Adamastor was a narrow ocean | 👁 Image
| | Book | | Mineral Deposits of Finland
Edited by
Wolfgang D. Maier
Raimo Lahtinen
Hugh O’Brien
AMSTERDAM • BOSTON...Geological Survey of Finland, Espoo, Finland
I. Haapala
University of Helsinki, Helsinki, Finland
T. Halkoaho...Geological Survey of Finland, Kuopio, Finland
E. Hanski
Oulu Mining School, Oulu, Finland
A. Hartikainen
Geological...Geological Survey of Finland, Kuopio, Finland
C. Hartshorne
AngloAmerican Exploration, London, UK
T....Mawson Resources, Finland
E. Heilimo
Geological Survey of Finland, Kuopio, Finland
P. Heino
Yara Suomi | 👁 Image
| | Journal (article/letter/editorial) | | (Fig. 1a; Guo et al., 2009; Xu et al., 2015). The zircon
U-Pb ages of 761 ± 12 Ma and 829 ± 10 Ma from the...were also identified by geochronological studies. Zircon U-Pb
analyses yielded magmatic crystallization...2016),
recorded by a huge scattering of the U-Pb zircon ages of granites in a
number of localities, such...mineralization, such as 86, 88, 94
and 146 Ma using U-Pb zircon (see Xue et al., 2010 and reference
therein). The...Feng, J.R., Mao, J.W., Pei, R.F., 2010. SHRIMP zircon U-Pb dating and geochemical
characteristics of | 👁 Image
| | Journal (article/letter/editorial) | | (0%–5%), while mafic minerals are
absent.
minerals
zircon, apatite,
pyrite,
rutilepyrite,
and tourmaline...Pankou
Pukouling
are
Accessoryare
minerals
are zircon,
apatite,
rutile and tourmaline.
andgranites
Pukouling...Lahaye, Y. Source of boron in the Palokas gold deposit, northern Finland:
Evidence from boron isotopes and | 👁 Image
| | Journal (article/letter/editorial) | | monazite, xenotime, apatite, sphene, allanite, or zircon control the REE
budget of granitic rocks; garnet...Manton, W.I., Omar, S.A., Maurice, A.E., 2012. U–
Pb zircon and Sr-Nd-Hf isotopic evidence for a juvenile origin... S.-Q., Gahlan, H.A., El Ela, F.F., 2015.
U-Pb zircon geochronology and Hf-Nd isotopic systematics of...pegmatite, Orivesi, southern Finland.
Bulletin of Geological Society of Finland 60(1), 7-43.
Larsen, E.S..., 2017. Source of boron in the Palokas gold
deposit, northern Finland: evidence from boron isotopes and | 👁 Image
| | Journal (issue) | | drill results from its 100% owned
Palokas gold discovery in northern Finland,
including 19.5 m grading 7.4...for easier access over wetter areas.
Tests on Palokas drill core have demonstrated excellent gold extraction...$70 million in exploration
funding during 2014.
Finland Promotes its Potential
The new silver-recovery...silver-recovery plant at the Kokkola zinc smelter in Finland. (Photo: Boliden)
As E&MJ noted in its report last year...activity on the ground, the Geological
Survey of Finland (GTK) recently published
a number of reports on |
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