The geochemistry of subduction-related gabbroids and granitoids was studied in the Magadan Massif, a large intrusion in the inner zone of the Okhotsk-Chukotka volcanic belt (OCVB), which is an active continental margin of ...

The chemical composition of haloignimbrite phases has not yet been adequately studied, so existing views on their origin are somewhat hypothetical. To investigate the nature of such phases, the authors used the Superprobe-733 ...

There always are considerable difficulties in accurately establishing the genetic relationship between ore deposition and magmatic activity. The ore-bearing igneous complexes of the Northeast are no exception in this ...