Results 71 to 80 of about 759 (173)

Magmatismo do batólito rapakivi Rio Branco, sw do Cráton Amazônico (MT) [PDF]

open access: yes, 2011
Rio Branco Rapakivi Batholith is located on the southwestern portion of the Amazonian Craton in Mato Grosso and belongs to the Cachoeirinha Tectonic Domain, part of the Rio Negro-Juruena Geochronological Province, Central Brasil.
de Araújo, Larissa Marques Barbosa   +1 more
core  

Tectonic significance of Late Precambrian calc-alkaline and alkaline magmatism in Saint Katherina Area, Southern Sinai, Egypt

open access: yesGeologica Acta, 2007
Two magmatic rock suites are distinguished in the Late Precambrian basement of the Southern Sinai (NW Arabian-Nubian Shield, Egypt), namely (a) a calc-alkaline suite, and (b) an alkaline suite.
M.K. Azer
doaj   +1 more source

Kinetically driven successive sodic and potassic alteration of feldspar. [PDF]

open access: yesNat Commun, 2021
Duan G   +5 more
europepmc   +1 more source

Magmatismo rapakivi en la cuenca media del río Inírida, departamento de Guainía, Colombia. [PDF]

open access: yes, 2016
In eastern Colombia, the crystalline basement is intruded by several anorogenic granites of Mesoproterozoic age. One of these anorogenic granitic intrusions outcrops in the area of the indigenous Matraca and Dantacommunities, at the middle Inirida River ...
Frantz, Jose Carlos   +5 more
core  

Petrology of Malin Rapakivi Granite Massif (Korosten Pluton, Ukraine) [PDF]

open access: yes, 2009
Приведены новейшие данные по петрологии Малинского массива гранитов рапакиви, расположенного в слабо изученной юго-восточной части Коростенского плутона. На основании изучения условий залегания, структурно-текстурных особенностей и вещественного состава
Билан, Е.В.   +2 more
core   +3 more sources

Natural stone assessment with ground penetrating radar [PDF]

open access: yesEstonian Journal of Earth Sciences, 2008
The usability of ground penetrating radar in quality assessment of natural stone deposits was tested in porphyritic granite and soapstone. The main interest was to evaluate how the soundness, fracturing, and physical defects can be studied with the ...
Luodes, Hannu
doaj  

MAGMATISMO DO BATÓLITO RAPAKIVI RIO BRANCO, SW DO CRÁTON AMAZÔNICO (MT) [PDF]

open access: yes, 2012
O Batólito Rapakivi Rio Branco ocorre na porção sudoeste do Cráton Amazônico no estado do Mato Grosso, inserido no Domínio Tectônico Cachoeirinha, parte da Província Geocronológica Rio Negro-Juruena.
ARAÚJO, Larissa Marques Barbosa de   +1 more
core   +1 more source

Rapakivi granite and basic dykes in the Fennoscandian shield : a palaeomagnetic analysis [PDF]

open access: yes, 1998
Rapakivi rocks and basic dykes in the central part of Sweden have been subject to a palaeomagnetic study with the aim of putting the formation of these rocks into a plate tectonic context.
Moakhar, Mohsen Oveisy,
core  

Some progress on understanding the Phanerozoic granitoids in China

open access: yesChina Geology, 2018
: There are large volumes of the Phanerozoic granitoid rocks in China and neighboring areas. In recent years, numerous new and precise U-Pb zircon ages have been published for these granitoids, and define many important magmatic events, such as ca.
Tao Wang   +8 more
doaj   +1 more source

The diverse mesoscopic structures in rapakivi granites of Southeastern Finland : episyenites and related processes [PDF]

open access: yes, 2020
Peralkaline syenites and granites form a small yet significant group of rocks within the A-type granite association worldwide. Although the Mid-Proterozoic Finnish rapakivi (A-type) granite complexes are voluminous in southern Finland, they only host ...
Suikkanen, Einari
core  

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