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M. S. Lougheed and J. J. Mancuso
Hematite Framboids in the Negaunee Iron Formation, Michigan; evidence for Their Biogenic Origin
Economic Geology and the Bulletin of the Society of Economic Geologists (April 1973), 68(2):202-209
Abstract:
Pseudomorphic after pyrite framboids, similar size distribution and physical features, biogenic associations
Index Terms/Descriptors:
biogenic; chemically precipitated rocks; composition; framboidal texture; genesis; hematite; iron formations; iron-rich rocks; Marquette County Michigan; Michigan; Michigan Upper Peninsula; mineralogy; minerals; Negaunee Iron Formation; oxides; Precambrian; Proterozoic; pseudomorphism; pyrite; sedimentary rocks; sulfides; textures; United States; upper Precambrian
Latitude & Longitude:
N45°58'00" -
N46°54'00" and
W88°07'00" -
W87°07'00" (Search for maps and images at Alexandria Digital Library)
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