Genetic relationship of high-Mg dioritic pluton to iron mineralization: A case study from the Jinling skarn-type iron deposit in the North China Craton
The Jinling complex is spatially and temporally associated with the Jinling skarn-type iron
deposit. The complex is composed of biotite diorite, hornblende diorite, monzonite and
quartz diorite. U–Pb dating of zircons from the biotite diorite and monzonite using laser
ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) yields ages of 126±1.9
Ma and 128±1.4 Ma, respectively. The unaltered rocks in the complex are characterized by
variable contents of SiO 2 (54.6–65.3 wt.%), MgO (2.7–9.2 wt.%), total FeO (3.5–8.8 wt.%) …
deposit. The complex is composed of biotite diorite, hornblende diorite, monzonite and
quartz diorite. U–Pb dating of zircons from the biotite diorite and monzonite using laser
ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) yields ages of 126±1.9
Ma and 128±1.4 Ma, respectively. The unaltered rocks in the complex are characterized by
variable contents of SiO 2 (54.6–65.3 wt.%), MgO (2.7–9.2 wt.%), total FeO (3.5–8.8 wt.%) …
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