Selaus tekijän mukaan kokoelmassa Rinnakkaistallenteet
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Tracing arclogites in the Paleoproterozoic Era - A shift from 1.88 Ga calc-alkaline to 1.86 Ga high-Nb and adakite-like magmatism in central Fennoscandian Shield
Kara Jaakko; Väisänen Markku; Heinonen Jussi S.; Lahaye Yann; O'Brien Hugh; Huhma Hannu<p>Arclogites, i.e., lower crustal gamet-pyroxenite cumulates, are suggested to play an important role in controlling magma differentiation in modem continental arcs. Until now, arclogite-related magmatism has only been ... -
Zircon dating of the basalt and felsic dyke in Haveri, SW Finland
Kara Jaakko; Väisänen Markku; O'Brien Hugh<p>The E-MORB type Haveri basalt differs from the volcanic arc type rocks in the Tampere<br>belt showing no subduction signature. It is considered to have formed in a marginal<br>basin prior to the volcanic arc. We present ...