The Encantada Granite: registration of a peraluminous intrusion in the Rondonian Province - San Ignacio, in SW Amazonic Craton, Mato Grosso, Brazil [PDF]
Geologia USP. Série Científica, 2015 The Encantada Granite occurs on the extreme southwest of the state of Mato Grosso, SW of the Amazonian Craton, near the border of Brasil/Bolívia. It corresponds to an body oriented to NNW direction that intruded metasedimentary and metavolcanic rocks ...
Brena Verginassi do Nascimento +2 more
doaj +1 more source
Geochemical evolution of Dalradian metavolcanic rocks: implications for the break-up of the Rodinia supercontinent [PDF]
Journal of the Geological Society, 2011 Abstract: Neoproterozoic basaltic magmatism in the Dalradian Supergroup of Scotland and Ireland was associated with the break-up of the Rodinia supercontinent. Magmas were erupted in rift-related basins along a strike length of at least 700 km and during a time period of c . 80 Ma.
Fettes, D.J. +4 more
openaire +1 more source
Metagabbros, metasyenites and related rocks in the Outokumpu assemblage, east Finland [PDF]
Bulletin of the Geological Society of Finland, 1992 A diverse group of minor intrusive rocks in the early Proterozoic Outokumpu assemblage of eastern Finland include metagabbro, hornblendite, amphibolite, pyroxenite, syenite and chloritized dykes.
A.F. Park
doaj +1 more source
Geochemical and U-Pb and Sm-Nd isotopic constraints on the evolution of the Paleoproterozoic Ylitornio nappe complex, northern Fennoscandia [PDF]
Bulletin of the Geological Society of Finland, 2019 The Ylitornio area in northern Finland is a typical example of a poorly outcropping, multiply deformed, complex Precambrian terrain. U–Pb, Sm-Nd and geochemical data from metavolcanic, metasedimentary and plutonic rocks combined with structural data ...
Raimo Lahtinen +3 more
doaj +1 more source
, 2020 The Palaeoproterozoic Birimian Supergroup of the West African Craton (WAC) consists of volcanic belts composed predominantly of basaltic and andesitic rocks and intervening sedimentary basins composed predominantly of wackes and argillites.
Malaviarachchi, Sanjeewa P. K. +8 more
core +1 more source
Lithostratigraphy of the Mesoproterozoic Vemork formation, central Telemark, Norway [PDF]
Bulletin of the Geological Society of Finland, 2007 The Vemork formation forms a c. 2 km thick volcanic-sedimentary unit above the 1510 – 1500 Ma old Tuddal felsic volcanite formation, the oldest unit of the Mesoproterozoic Telemark supracrustals in southern Norway.
K. Laajoki, F. Corfu
doaj +1 more source
Tonian Continental Arc Magmatism of the Porongos Complex, Dom Feliciano Belt, Southern Brazil
Geologia USP. Série Científica, 2023 This study provides new information on the deformation, metamorphism, and tectonic setting of the metavolcanic rocks of the southern portion of the Porongos Complex, southern Brazil.
Rodrigo Antonio de Freitas Rodrigues +9 more
doaj
Lithostratigraphy of the early Proterozoic Kainuu Schist Belt in the Kurkikylä-Siikavaara area, northern Finland, with emphasis on the genetic approach [PDF]
Bulletin of the Geological Society of Finland, 1989 The early Proterozoic (Karelian) supracrustal formations of the northeastern part of the Kainuu Schist Belt in the Kurkikylä-Siikavaara area in northern Finland are formally classified into the Kurkikylä, Korvuanjoki and East Puolanka Groups.
K. Laajoki, K. Strand, P. Härmä
doaj +1 more source
Remote Sensing, 2022 This study evaluates the geological attributes of rocks within the Abu Ghalaga area using spatial, geochemical, and petrographic approaches. ASTER and Landsat imagery processed using band ratio and principal component analysis were used to map ...
Hatem M. El-Desoky +7 more
doaj +1 more source
Major element geochemistry of pyroxenes in metavolcanic rocks of IODP Exp366 samples
, 2019 Major element geochemistry of pyroxenes in metavolcanic rocks of IODP Exp366 ...
Bach, Wolfgang +11 more
core +1 more source