Koçkale and its vicinity (Elazığ)
is composed of four different units. These are; Upper Jurassic-Lower Cretaceous
Guleman Group, Campanian-Maastrichtian Yüksekova Complex, Maastrichtian-Lower
Eocene Hazar Group and Middle Eocene Maden Complex. The Mn mineralizations of
Koçkale are situated in volcanosedmentary rocks of Maden Complex and occur in
two types: (1) The mineralizations conformable with volcanosedimentary rocks,
are syngenetic and volcanosedimentary type. This type of mineralizations occur
within mudstone and as a constituent of this unit The mineralized bodies are
tense and stratiform shaped. Any alteration related to mineralization is
absent. Ore mineral assemblage is pyroiusite, psilomelane, rodokrosite,
brauntte, manganite, limonite, hematite, magnetite, chromite, pyrite and
baryite. In places baryite forms silica rich lenses. (2) Vein type
mineralizations are epigenetic and are products of hydrothermal solutions
circulating through fault and openings. The vein type mineralizations are also
situated in different levels and places of mudstone. The mineral assemblage is;
pyrolusite, psilomelane, rodokrosite, limonite, hematite, magnetite, chromite
and a significant alteration associated with the mineralizations is present.
Primary Language | English |
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Subjects | Engineering |
Journal Section | Articles |
Authors | |
Publication Date | October 1, 1995 |
Published in Issue | Year 1995 Volume: 117 Issue: 117 |
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