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The igneous rocks in southeastern Hubei Province are mainly Yangshanian syntectic intermediate-acid magrnatic series. According to their regional geological setting, characteristics of ithochemistry, isotope,REE and metallogenic type, the syntectic intermediate-acid magmatic series can be further divided into two subseries: diorite-quartz monzonite magmatic subseries with high content of alkali and sodium, and quartz diorite - granodiorite magmatic subseries with low content of alkali and high potassium. They controlled the distribution and type of iron and copper ore deposits in this area
The igneous rocks in southeastern Hubei Province are mainly Yangshanian syntectic intermediate-acid magrnatic series. According to their regional geological setting, characteristics of ithochemistry, isotope, REE and metallogenic type, the syntectic intermediate-acid magmatic series can be further divided into two subseries: diorite-quartz monzonite magmatic subseries with high content of alkali and sodium, and quartz diorite - granodiorite magmatic subseries with low content of alkali and high potassium. They controlled the distribution and type of iron and copper ore deposits in this area