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      Petrography, geochemistry and origin of the NW Jordan phosphorites

      Abed, Abdulkader M; AL Agha, Mohammad R (Geological Society of London, 1989)
      Phosphorites from NW Jordan were examined petrographically and chemically. Their mineralogy is basically simple and includes apatite (francolite), carbonate (mainly micritic calcite), some dolomite, and minor clay minerals ...