Vesuvianite from Gedabek and Shishim skarns: common and distinctive features
Abstract
The article contains a review and results of analytical studies of vesuvianite from Kedabek (Azerbaijan) and the Shishim mine (the Southern Urals) including crystallographic, crystallochemical and paragenetic features. Lists of minerals from both deposits have been compiled; their similarities and differences have been shown. Elevated CaO contents and low Al2O3 is distinctive feature of the Shishim vesuvianite. Occurrence of specific minerals such as thaumasite, monticellite, сhondrodite and a number of ferrous minerals (hematite, magnetite, and ferroacermanite) indicates rich mineral composition of the Shishim mine. On the other hand, the discovery of kaolinite, which is not typical of the Shishim skarns, most likely testifies the post-skarn formation as a result of secondary alteration of alumino-silicate minerals. High volume of wollastonite in the Kedabek skarns indicates low concentration in post-magmatic melt of magnesium and especially iron, which also reflected in the chemical composition of the skarns. In the Shishim skarns, the presence of ferrous minerals indicates an increasing role of the subsequent low-temperature formation stage.
About the Authors
A. M. Agaev
Azerbaijan State Oil and Industry University (ASOIU)
Russian Federation
Russian Federation
Candidate of Chemical Sciences, Associate Professor
R. N. Mamedaliev
Azerbaijan State Oil and Industry University (ASOIU)
Russian Federation
Russian Federation
Student
A. A. Bayramov
Azerbaijan International Mining Company (AIMC)
Russian Federation
Russian Federation
Senior Exploration Geologist
E. A. Sadikhov
Center for Engineering of Moscow institute of Physics and Technology (CET-MIPT)
Russian Federation
Russian Federation
Senior Engineer
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Review
For citations:
Agaev A.M., Mamedaliev R.N., Bayramov A.A., Sadikhov E.A. Vesuvianite from Gedabek and Shishim skarns: common and distinctive features. Regional Geology and Metallogeny. 2019;(79):89–97. (In Russ.)
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