Pacific Fertiliser mine and refine a dolomite mineral resource located near Peak Crossing in SE QLD.
The majority of the dolomite products are sold into the agricultural industry as a soil conditioner. Pacific Fertiliser supply dolomite in Fine, Super Fine, Ultra Fine and Granular grades from our Brisbane plant in bulk, bulkbags or pallets of 25kg bags.
General specs for the fine dolomite are Ca 12% , Mg 9%, NV 70%
General specs for the super fine dolomite are Ca 17% , Mg 11%, NV 109%
General specs for the fine palygorskite are Ca 16% , Mg 10%, NV 80%
The Flinders dolomite deposit south of Peak Crossing is an elongated north-south deposit roughly 5km long and 1.5 km wide, forming the Limestone Ridges which encompasses the Moreton dolomite resource as well. The Limestone ridges dolomite resource consist generally of dolomite, then usually it it underlain by basalt and then coal beneath that with reports on the geology and mineral quality of the area going back to 1914.
The dolomite is typically white, massive, dense and extremely fine grained with a smooth fracture. The occurrence of palygorskite (attpulgite), montmorillonite and spiolite in the clay bands in the dolomite were described in a 1954 report.
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