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Quartz-mineralized fault zone in slate of the Biwabik Iron-Formation
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Media in category "Quartz-mineralized fault zone in slate of the Biwabik Iron-Formation"
The following 4 files are in this category, out of 4 total.
Quartz-mineralized fault zone in slate (Biwabik Iron-Formation, Paleoproterozoic, ~1.878 Ga; Thunderbird Mine, Mesabi Iron Range, Minnesota, USA) 1 (30824329723).jpg
4,000 × 2,368; 4.96 MB
Quartz-mineralized fault zone in slate (Biwabik Iron-Formation, Paleoproterozoic, ~1.878 Ga; Thunderbird Mine, Mesabi Iron Range, Minnesota, USA) 2 (31518829511).jpg
3,572 × 2,522; 4.78 MB
Quartz-mineralized fault zone in slate (Biwabik Iron-Formation, Paleoproterozoic, ~1.878 Ga; Thunderbird Mine, Mesabi Iron Range, Minnesota, USA) 3 (31597451546).jpg
3,374 × 2,121; 3.77 MB
Quartz-mineralized fault zone in slate (Biwabik Iron-Formation, Paleoproterozoic, ~1.878 Ga; Thunderbird Mine, Mesabi Iron Range, Minnesota, USA) 4 (31597445056).jpg
3,325 × 2,047; 4.32 MB