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Conference Proceedings

The AusIMM Proceedings 1918

Conference Proceedings

The AusIMM Proceedings 1918

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On a New Phosphate Deposit in the Howqua District, Near Mansfield, Victoria

The purpose of the present communication is to put on record the discovery, in October, 1916, in the Howqua district, of a new locality for the occurrence of phosphatic rocks in Victoria, and to give a preliminary description of its characters and geological occurrence. Owing to the great use of superphosphates for agricultural purposes in recent years in Australia, search has been stimulated for the discovery of local and workable supplies of phosphatic rocks. Phosphorus is an element very widely distributed in igneous rocks, usually in the form of the mineral apatite, and also occurs in sedimentary rocks and in soils as a detrital constituent. Under these conditions of occurrence, however, the amount of P 205 present in a rock or soil seldom approaches, and very rarely exceeds, 1 %. Very occasionally it occurs in such a concentrated form as to constitute workable deposits. In such cases they are usually of organic origin. Sometimes they occur as geologically recent deposits of guano or rock...
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  • On a New Phosphate Deposit in the Howqua District, Near Mansfield, Victoria
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  • Published: 1917
  • PDF Size: 2.475 Mb.
  • Unique ID: P_PROC1918_0224

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