Natural Resources

Open File LAB/1667 - Geochemical Data from High-grade Iron-ore Deposits and Altered and Unaltered Iron Formation in the Labrador Trough (NTS 23J and 23O)

J. Conliffe

St. John's, Newfoundland, May, 2016

Summary

This Open File release consists of whole-rock geochemical data from 79 iron formation samples from the Menihek and Schefferville areas in the Labrador Trough (NTS 23J and 23O; Figure 1). These samples were collected as part of a mineral deposit study investigating the genesis of high-grade iron-ore deposits in the Labrador Trough (Conliffe, 2016), and represent samples of high-grade (>55% Fe) iron-ore deposits from former and active mine sites and undeveloped prospects (DSO Project), as well as samples of altered iron formation from close to known deposits and samples of least-altered iron formation from elsewhere in the region (Taconite Project). More detailed information on the regional geological setting, geological characteristics of the high-grade iron-ore deposits and interpretation of the geochemical data are found in Conliffe (2016).

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