Magmatic-Hydrothermal Ore Deposits

Dear Colleagues,

Magmatic-hydrothermal fluid circulation systems in the Earth’s crust are related with intermediate to felsic hydrous magmas, mainly at convergent plate margins, providing heat and mass transfer for the formation of ore deposits including base, precious and rare metals. Large hydrothermal deposits form also during periods of regional magmatism and tectonism, but are not strictly associated with any magmatic centers. Other hydrothermal deposits are hosted in sedimentary basins that lack temporally and spatially related magmatic activity. However, in many cases strong evidences demonstrate some association with magmatism.

Many factors are important for the formation of the magmatic-hydrothermal deposits, mainly the geotectonic environment, the regional structural control, the petrography and geochemistry of the magmatic and the neighboring rocks, the fluid composition, the hydrothermal alteration, the distribution, shape and size of ore bodies, the ore mineral paragenesis, textures and chemistry, and many others. These factors affect the exploration projects and the mining and metallurgical processes of the companies which invest considerable amount of capital to extract the metals from deep the Earths’ crust. They are based on the knowledge obtained from studies so far, and the models of ore formation, but further research on these types of mineralization are required.

This Special Issue welcomes contributions on original research which presents new data from magmatic-hydrothermal metallic mineral deposit systems, focusing mainly on the formation conditions and the relation with the geotectonic setting. Mineralogy, petrography, geochemistry, isotopic geochemistry, mineral chemistry and fluid inclusions are the most appropriate methods for this approach.

Assist. Prof. Vasilios Melfos
Assoc. Prof. Panagiotis Voudouris
Guest Editors

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