Browsing ELibrary by Subject "MAFIC ROCKS"

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EARLY PRECAMBRIAN MAFIC ROCKS OF THE FENNOSCANDIAN SHIELD AS A REFLECTION OF PLUME MAGMATISM: GEOCHEMICAL TYPES AND FORMATION STAGES

Arestova N.A.; Lobach-Zhuchenko S.B.; Chekulaev V.P.; Gus'kova E.G. (2003)

The analysis of radiometric ages of Early Precambrian basites of the Fennoscandian shield, from the most ancient ones, > 3.1 Ga, to 2.40 Ga, resolves five age groups of the basites. Each of these stages is shown to time ...
PETROLOGY OF THE EUROPE-LARGEST BURAKOVKA EARLY PALEOPROTEROZOIC LAYERED PLUTON (SOUTHERN KARELIA, RUSSIA)

Chistyakov A.V.; Sharkov E.V.; Grokhovskaya T.L.; Bogatikov O.A.; Muravitskaya G.N.; Grinevich N.G. (2002)

The Burakovka layered pluton of basic and mafic rocks is the largest intrusive massif in the Baltic Province composed of Si- and Mg-rich boninite-like rocks. The pluton consists of two individual bodies, each having its ...

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