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The Origin of Granulite Facies Metamorphic Iron Formations in Wuyang, Henan Province, Southern of North China Craton
Author(s) -
LAN Caiyun,
ZHAO Taiping,
ZHANG Lianchang,
WANG Changle
Publication year - 2014
Publication title -
acta geologica sinica ‐ english edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 61
eISSN - 1755-6724
pISSN - 1000-9515
DOI - 10.1111/1755-6724.12368_10
Subject(s) - metallogeny , chinese academy of sciences , beijing , craton , china , geochemistry , geology , granulite , metamorphic rock , facies , archaeology , geography , geomorphology , seismology , pyrite , tectonics , structural basin , sphalerite
The protoliths of Banded iron formations (BIF) formed as marine chemical sediments and can convey crucial information on the early history of mantle, tectonic, oceanic and biospheric processes(Bekker et al., 2010). The characteristics of the granulite facies metamorphic iron formations from the Wuyang region, Henan province, southern of North China Craton (NCC), is coexisting clinopyroxene and magnetite in iron-rich bands, even orthoand clinopyroxene, which provides a good mineral assemblage to estimate the metamorphic temperature. Wuyang iron formations (WIF) hosted in Neoarchean Tieshanmiao Formation of Taihua Group and consist of banded and massive structure in the same ore body with ambiguous contact within the open pits.