Adamellite in hindi (ऐडामेलाइट)

Submitted by admin on Mon, 03/29/2010 - 12:10

ऐडामेलाइटः
मूलतः आर्थोक्लेज धारण किये हुए क्वार्टज़-हार्नब्लेन्ड-अभ्रक-डायोराइट के लिए प्रयुक्त शब्द। अब यह सामान्यतः उन ग्रेनाइटों के लिए भी प्रयुक्त किया जाता है जिसमें प्लेजिओक्लेज़ की मात्रा कुल फैल्सपार का 1/3 से 2/3 तक होती है। इसे क्वार्टज़-मोन्ज़ोनाइट की भी संज्ञा दी जाती है।

विकिपीडिया से (Meaning from Wikipedia)
Quartz monzonite (or adamellite) is an intrusive igneous rock that has an approximately equal proportion of orthoclase and plagioclase feldspars. The plagioclase is typically intermediate to sodic in composition, andesine to oligoclase. Quartz is present in significant amounts. Biotite and/or hornblende constitute the dark minerals. Quartz monzonite porphyry is often associated with copper mineralization in the porphyry copper ore deposits. Because of its coloring, it is often confused with granite, but whereas the mass of granite is 20% quartz, quartz monzonite is only 5-20% quartz.