Geological mapping and logging at Hellyer

Organization: The Australasian Institute of Mining and Metallurgy
Pages: 8
Publication Date: Jan 1, 1990
The Hellyer deposit, hosted in the Cambrian Mt Read Volcanics, displays features typical of volcanogenic massive sulphide orebodies. These include a well developed stringer zone, metal zonation within the orebody, a polymict volcaniclastic sequence flanking the deposit and a hangingwall alteration plume in overlying basaltic pillow laves.Mapping and core logging is very detailed in order to extract as much data as possible from the deposit and its host rocks. A geological log suitable for direct computer input was adopted shortly after the deposit's discovery.
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