Submarine Volcanism, Related Hydrothermal Systems and Mineralizations

Dear Colleagues,

Detailed studies of the past few decades resulted in robust genetic and descriptive models of submarine hydrothermal ore deposits. Our knowledge developed a lot regarding the understanding of hydrothermal fluid characteristics, sources, and metal content as well as the controlling factors and driving force of the submarine hydrothermal systems. However, several new questions arose during these studies, which could be answered with the help of modern analytical methodology as well as a system-based approach.

Regarding the volcanogenic massive sulfide deposits, the following topics are the focus of recent studies and thus the related results are welcome in this Special Issue: formation conditions and indicators of supergiant ore deposits, localization of the ore deposits, identification of the magmatic body which serves as a heat source and possible fluid source, modelling the fluid circulation system, tracing the possible magmatic fluid source, as well as tracing the hidden ore deposits.

However, magmatic rocks not only play a role as heat and possible fluid providers but also act as hosts of these hydrothermal processes. Therefore, their detailed petrological and geochemical characterisation as well as their primary, sea-floor hydrothermal alteration are also worth studying and can result in important conclusions regarding the evaluation of the economic potential of a region. This aspect is rarely involved in studies focusing on VMS deposits; therefore, in this Special Issue, we would like to give space for related manuscripts also.

As submarine volcanic rocks (incl. pillow basalts) can occur at several geotectonic situations (e.g., advanced rifting stage, oceanic stage, subduction-related arc volcanism), distinguishing them in an efficient way (even on the field) is of crucial importance to be able to localise potential ore deposit-bearing formations. Hence, studies addressing this topic are also welcome in this Special Issue.

To sum up, this Special Issue focuses not only on the VMS ore deposits but also on the investigation of submarine lava flows and magmatic rocks, with special regard to their petrogenetic significance.

Dr. Gabriella B. Kiss
Prof. Dr. Federica Zaccarini
Dr. Tamás Sági
Guest Editors

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