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


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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