U–Pb zircon ages of the host rocks of the Juomasuo Au–Co–Cu deposit, northeastern Finland [PDF]
Bulletin of the Geological Society of Finland, 2017 The Salittu Formation is one of the few metavolcanic successions in the U-Pb zircon single grain dating using the LA-MC-ICP-MS technique was utilized to determine the age of the host rocks of the Juomasuo Au-Co-Cu deposit located in the late Archean ...
P. Nikkola, I. Mänttäri, O.T. Rämö
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Geosciences, 2023 Studies of lithotectonic formations within the Keivy domain of the NE Baltic Shield have shown that the domain was tectonically overlapped by adjacent microcontinents during regional collision processes in the Late Archean.
Nickolay Sorokhtin +6 more
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Geology, geochronology and geochemistry of the 2.05 Ga gneissic A1-type granites and related intermediate rocks in central Finland: implication for the tectonic evolution of the Karelia craton margin [PDF]
Bulletin of the Geological Society of Finland, 2019 The 2.05 Ga Otanmäki suite represents a globally rare occurrence of Paleoproterozoic non-orogenic A1-type magmatism. It consists of a broad variety of A-type felsic and intermediate igneous rocks including monzodiorites, monzonites, syenites and peral ...
Kimmo Kärenlampi +3 more
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Structural features and emplacement of the late Svecofennian Perniö granite sheet in southern Finland [PDF]
Bulletin of the Geological Society of Finland, 1996 The 1840-1830 Ma old Perniö granite occupies the southern margin of the Sauvo-Perniö granite area located in the western part of the late Svecofennian granite-migmatite zone in southern Finland.
O. Selonen, C. Ehlers, A. Lindroos
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The Anicuns-Itaberaí volcano-sedimentary sequence, Goiás Magmatic Arc: new geochemical and Nd-S isotopic data [PDF]
Geochimica Brasiliensis, 2017 The Neoproterozoic Anicuns-Itaberaí volcano-sedimentary sequence exposed in the surroundings of Anicuns, western Goiás, comprises a complex association of igneous and supracrustal rocks, which has been divided into: (i) the Córrego da Boa Esperança ...
Jorge Henrique Laux +3 more
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Geological setting and intrusion tectonics of the Kotalahti nickel-copper deposit, Finland [PDF]
Bulletin of the Geological Society of Finland, 1980 The wall rocks of the nickel bearing mafic and ultramafic plutonic rocks of Kotalahti are Archean banded granitoidic gneisses containing inliers of Archean metasediments and metavolcanics.
G. Gaál
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Geofluids, 2022 The Xiong’er Group is mainly distributed in western Henan, southern Shanxi, and southeastern Shaanxi. As a set of low-grade metamorphic and low-deformation volcanic rocks formed in the transition period during the tectonic evolution of the North China ...
Wenchao Dong +3 more
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Journal of the Geological Survey of Brazil, 2022 The Juruena Terrain (Rondônia-Juruena Province) in the southeastern Amazonas State shows a NW-SE dextral shear zones system denominated Roosevelt-Guariba Transpressive Belt (RGTB). The RGTB was generated in response to intracontinental crustal reworking,
Marcelo Esteves Almeida +4 more
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Pre-Nagssugtoqidian crustal evolution in West Greenland: geology, geochemistry and deformation of supracrustal and granitic rocks north-east of Kangaatsiaq [PDF]
, 2006 The area north-east of Kangaatsiaq features polyphase grey orthogneisses, supracrustal rocks and Kangaatsiaq granite exposed within a WSW–ENE-trending synform.
Moyen, Jean-François, Watt, Gordon R
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No mantle residues in the Isua Supracrustal Belt
, 2022 A critical component of our understanding of the evolution of Earth's mantle comes from rocks identified as direct mantle samples. Eoarchaean dunite lenses from the Isua Supracrustal Belt (ISB), North Atlantic Craton, Greenland, have been previously ...
Nishio, I. +17 more
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