ganZi qarTuli miwisa

iyenebdnen porfiritebs. mag., Semoqmedis eklesia (XVIs)
mopirkeTebulia momwvano-nacrisferi porfiritiT. qani
adgilobrivadaa mopovebuli. porfiritiTaa mopirkeTebuli
agreTve wromis VII saukunis taZari, diorit-porfiritia
gamoyenebuli quTaisSi, bagratis taZrisaTvis.
andeziti
andeziti nacrisferi, muqinacrisferi, muqi – momwvano,
nacrisfer-Savamde Seferilobis, porfiruli, Zlier
iSviaTad afiruli struqturis qania. igi aris vulkanuri
qani, romelic xasiaTdeba hialopilituri, mikroliTuri,
pilotaqsituri an vitrofiruli struqturiT. qanis
mTavari qanmaSeni mineralebia: plagioklazi (andezini
bitovnitamde), biotiti, rqatyuara, rombuli da monoklinuri
piroqseni. fuZe saxesxvaobebSi zogjer gvxvdeba
olivini, ufro mJave saxesxvaobebSi – kvarci. Cveulebriv,
masSi monawileobs vulkanuri mina, madneuli mineralebi
– magnetiti, aqcesoruli – apatiti, sfeni. qimiuri SedgenilobiT
andeziti efuziuri analogia kvarciani dioritisa,
SiO2 -57-64%. farTodaa gavrcelebuli naoWa mxareebSi.
Sedgenilobis mixedviTarCeven Semdeg saxesxvaobebs:
avgitiani, avgit-rqatyuariani, avgit-oliviniani,
albitizebuli da qloritizebuli, anorTitiani, biotitiani,
hipersteniani, hipersten-amfiboliani, kvarc-avgitiani
da sxv. struqturis mixedviT – hialoandeziti,
varioliTuri, forovani – wyalSemcveli, asakis mixedviT
ansxvaveben paleoandezitsa da neoandezits, cvlilebebis
xarisxis mixedviT – kainotipursada paleotipurs. andezitebi
kainotipuri qanebia, andezituri porfiritebi –
paleotipuri. andezitebi saSeni da mJavagamZle qanebia.
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