pyritiferousadj.
/ˌpʌɪrʌɪˈtɪf(ə)rəs/, /ˌpʌɪrᵻˈtɪf(ə)rəs/, U.S. /ˈˌpaɪˌraɪˈtɪf(ə)rəs/ Geology and Mining.
Containing or yielding pyrites.
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the world > the earth > minerals > mineral sources > [adjective] > yielding a mineral or metal > pyrites
pyritical1734
pyritose1741
pyritous1741
pyritic1751
pyrity1757
pyritaceous1784
pyritiferous1828
1828 A. Eaton Geol. Nomencl. 5 (table) Pyritiferous grit. Pyritiferous slate.
1847 H. Miller First Impressions Eng. xii. 209 Here it trickles..through a pyritiferous shale.
1877 R. W. Raymond Statistics Mines & Mining 391 All the siliceous pyritiferous ores are selected for this purpose.
1929 Science 27 Dec. 627/1 The pyritiferous magnetic ore of Pennsylvania yielded a large output of copper concentrates.
1979 Jrnl. Sedimentary Petrol. 49 611 Pyritiferous basal marine shales of the early mid-Devoniane.
2003 Minerals Engin. 16 1257/1 The roasting of pyritiferous gold-containing ores and the production of sulphuric acid.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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adj.1828