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The Gongchang iron deposit, a typical Algoma-type banded iron formation (BIF) deposit located in the Eastern Block of the North China Craton (NCC), is hosted in Neoarchean metamorphic rocks, including amphibolite, biotite leptynite, garnet biotite schist, plagioclase-hornblende schist, garnet chlorite schist, muscovite quartz schist and actinolite magnetite quartzite. Geochemical data suggest that...
The Shuichang iron deposit is an Algoma-type BIF in the North China Craton. The Shuichang BIF is interlayered with plagioclase–hornblende gneiss, indicating that these two lithologies are temporally closely associated. We use the content of major elements and their ratios in order to define the protolith of the plagioclase–hornblende gneiss. SIMS U–Pb dating of zircons from the plagioclase–hornblende...
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