Contributions to Mineralogy and Petrology

, Volume 147, Issue 1, pp 58–73 | Cite as

Geochemical and Sr-Nd-Pb isotopic characteristics of Late Cenozoic leucite lamproites from the East European Alpine belt (Macedonia and Yugoslavia)

  • R. Altherr
  • H.-P. Meyer
  • A. Holl
  • F. Volker
  • C. Alibert
  • M. T. McCulloch
  • V. Majer
Original Paper


In the East European Alpine belt, leucite-sanidine-phlogopite-olivine-bearing volcanic rocks of Late Cenozoic age occur at eight localities within the Vardar suture zone and at one locality in the Southern Carpathian fold-and-thrust belt. Most of these volcanics are characterized by high Mg# (66.6–78.6), high abundances of Ni (117–373 ppm) and Cr (144–445 ppm) as well as high primary K2O contents (5.63–7.01 %) and K2O/Na2O values (1.93–4.91). Rocks with more differentiated compositions are rare. A lamproite affinity of these rocks is apparent from their relatively low contents of Al2O3 (9.9–14.3 wt%) and CaO (6.2–8.3 wt%) in combination with high abundances of Rb (85–967 ppm), Ba (1,027–4,189 ppm), Th (18.9–76.5 ppm), Pb (19–54 ppm), Sr (774–1,712 ppm) and F (0.16–0.52 wt%), and the general lack of plagioclase. Although eruption of the magmas took place in post-collisional extensional settings, significant depletions of Nb and Ta relative to Th and La, low TiO2 contents (0.92–2.17 %), low ratios of Rb/Cs, K/Rb and Ce/Pb as well as high ratios of Ba/La and Ba/Th suggest close genetic relationships to subduction zone processes. Whereas Sr and Nd isotope ratios show relatively large variations (87Sr/86Sr = 0.7078–0.7105, 143Nd/144Nd = 0.51242–0.51215), Pb isotope ratios display a very restricted range with 206Pb/204Pb = 18.68–18.88 and variable but generally high Δ7/4 (11–18) and Δ8/4 (65–95) values. The observed petrographic, geochemical and isotopic characteristics are best explained by a genetic model involving preferential melting of phlogopite-rich veins in an originally depleted lithospheric mantle source, whereby the metasomatic enrichment of the mantle source is tentatively related to the addition of components from subducted sediments during consumption of Tethyan oceanic lithosphere.


Olivine Instrumental Neutron Activation Analysis Mantle Source Leucite Adriatic Plate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We thank Danielle Dautel, Mark Fanning, Les Kinsley and Graham Mortimer for many long and helpful discussions. R.A. and F.V. acknowledge financial support by the Deutsche Forschungsgemeinschaft (DFG) and A.H. gratefully acknowledges a Dr. rer. nat. scholarship by the ‘Land Baden-Württemberg’. The 1987 field trip to former Yugoslavia was supported by the Science Foundation and the Council for International Scientific and Technical Cooperation of Croatia. R.A. and A.H. still remember the outstanding hospitality and friendliness offered by the people regardless of ethnic or political affiliation. Special thanks are due to Roland Gehann, Jürgen Koepke, Burkhard Schulz-Dobrick, Charly Wacker (†) and Elke Weiher for technical assistance. Emily Lowe improved the English style and constructive reviews by Stephen Foley and Angelo Peccerillo helped to improve the manuscript.


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Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  • R. Altherr
    • 1
  • H.-P. Meyer
    • 1
  • A. Holl
    • 2
  • F. Volker
    • 3
  • C. Alibert
    • 4
  • M. T. McCulloch
    • 5
  • V. Majer
    • 6
  1. 1.Mineralogisches InstitutUniversität HeidelbergHeidelbergGermany
  2. 2.A. HollKarlsruheGermany
  3. 3.Institut für Geowissenschaften und LithosphärenforschungUniversität GiessenGiessenGermany
  4. 4.Centre de Recherches Pétrographiques et GéochimiquesVandoeuvre-lès-NancyFrance
  5. 5.Research School of Earth SciencesThe Australian National UniversityCanberraAustralia
  6. 6.Institute of Mineralogy, Petrology, and Economic GeologyRGN faculty, University of ZagrebZagrebCroatia

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