GEOLOGY AND ORIGIN OF SAME CORBONATE-HOSTED HOLLOYSITE DEPOSITS IN NW - ANATOLIA (TURKEY)

Yıl 1999, Cilt: 121 Sayı: 121, 57 - 57, 01.02.1999

Ali Uygun

Öz

Geology and origin of some
halloysite deposits in the provinces Çanakkale and Balıkesir
(NW-Anatolia-Turkey) are investigated in this study. The deposits of Taban,
Ilicaoba, Karasu-Kabakla. Şahbaz and Turplu are mostly located on the contacts
of altered Neogene volcanics and Jurassic limestons. Pyrite, manganese,
gibbsite and some alunite are the accesorry mineralisations. Based on the
geological position of the halloysites over the probably karstic topography of
the limestones: the absence of halloysite in the volcanics and the correlation
of the REE's with the carbonate rocks; the origin of the deposits are suggested
to be originated by partial dissolution of the hostrock limestones and
formation of halloysite directly from Al and Sirich acidis fluids.

Anahtar Kelimeler

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Kaynakça

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