Alkali-Metasomatites from the Polar Urals.
Аннотация
Rare-metal alkali (quartz-feldspathic) metasomatites are considered in terms of their geologic position, structure, and composition. Their petrochemical and geochemical characteristics are given. In the Polar Urals, the metasomatites occur as lenticular and tube-like bodies in the fault zones of the Cambrian basement within the Kharbey block. Three types of the metasomatites, dated at ~300 Ma, have been recognised: quartz-bifeldspathic (kvalmites), quarzt-albitic, and albitites. They belong to the formation of quartz-feldspathic metasomatites of the fault zones.
Описание
Ключевые слова
Aluminium oxide, Antimony, Arsenic, Barium, Bromine, Caesium, Calcium oxide, Carbon dioxide, Cerium, Chromium, Cobalt, Dysprosium, Erbium, Europium, Fluorine, Gadolinium, Geological sample, GEOS, Gold, Hafnium, Holmium, Iron oxide, Fe2O3, Iron oxide, FeO, Lanthanum, Lithology/composition/facies, Loss on ignition, Lutetium, Magnesium oxide, Manganese oxide, Neodymium, Nickel, Phosphorus oxide, polar_ural, Potassium oxide, Praseodymium, Rubidium, Samarium, Sample code/label, Scandium, Selenium, Silicon dioxide, Silver, Sodium oxide, Strontium, Sulfur, total, Sum, Tantalum, Terbium, Thorium, Thulium, Titanium dioxide, Ural, Uranium, Ytterbium, Zinc, Zirconium
Цитирование
Udoratina, Oxana V (2001): Alkali-Metasomatites from the Polar Urals. Polarforschung, 69, 143-148, hdl:10013/epic.29837.d001