Regeneration Iron Mineralization at the Xishimen Deposit (Northeast China)

The Xishimen skarn iron deposit, which is controlled by a deep fault, is located at the contact of small monzodiorite intrusions with Paleozoic–Mesozoic carbonate rocks. This deposit includes several lenticular and lens-like bodies. The formation of the ores resulted from the processes of ore matter...

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Bibliographic Details
Published in:Moscow University geology bulletin 2020-03, Vol.75 (2), p.136-144
Main Author: Shi, Xudong
Format: Article
Language:English
Subjects:
Carbonate rocks
Carbonates
Cretaceous
Earth and Environmental Science
Earth Sciences
Geology
Iron
Isotopes
Jurassic
Lava
Magma
Mesozoic
Mineralization
Ores
Paleozoic
Precambrian
Recycling
Regeneration (biological)
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Summary:The Xishimen skarn iron deposit, which is controlled by a deep fault, is located at the contact of small monzodiorite intrusions with Paleozoic–Mesozoic carbonate rocks. This deposit includes several lenticular and lens-like bodies. The formation of the ores resulted from the processes of ore matter recycling. The process proceeded in several stages. The primary sedimentary and volcanogenic–sedimentary ores were formed in the Archean–Lower Proterozoic. This was followed by several stages of tectonic–magmatic activization, among which the most significant was the Anshan (Jurassic–Cretaceous) stage. In the course of recycling, the monzodioritic magma was enriched in siderophile elements of the Early Precambrian and formed a series of Fe deposits in the zone of deep faults.
ISSN:0145-8752
1934-8436
DOI:10.3103/S014587522002009X