Showing 1 - 8 results of 8 for search '"petrographer"', query time: 0.20s Refine Results
  1. 1
    by Monteiro, Rubens Luiz
    Published 1986
    ... form and relationships. Mineralogical, petrographical and geochemical investigations were carried out...
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  2. 2
    by Velazquez Fernandez, Victor
    Published 1996
    ... to the higher topographic points of the region petrographically, these bodies congregate two distinct syenitic...
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  3. 3
    by Scheibe, Luiz Fernando
    Published 1986
    ... compatible with a kimberlitic origin. Chemical analyses of 33 whole-rock samples confirm the petrographic...
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  4. 4
    by Zolinger, Iede Terezinha
    Published 2005
    ..., petrographic and geochemical point of view. The available data allow to classify the above intrusions as a...
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  5. 5
    by Ulbrich, Mabel Norma Costas
    Published 1984
    ... structural states in the different petrographic facies. Highly ordered microcline coexists with less ordered...
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  6. 6
    ... of the SQ-DR.U dikes). The peralkaline phonolite from Itapirapuã is described petrographically...
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  7. 7
    by Velazquez Fernandez, Victor
    Published 1992
    ..., intrusive into sandstone country rocks. Microscopically, several petrographic types can be distinguished...
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  8. 8
    by Spinelli, Fernando Pelegrini
    Published 2007
    ... intrusion 1.8 km² in area (Morro de São João) and 137 m high. A small and petrographically similar satellite...
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