IGNOU BGYCT-135 Study Material Download

Download IGNOU BGYCT-135 (Petrology) Study Material in PDF files.

  1. Block-4
    Metamorphic Petrology
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  2. Block-3
    Sedimentary Petrology
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  3. Block-2
    Igneous Petrology- II
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  4. Block-1
    Igneous Petrology- I
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