Rocks that cool quickly, especially the outer layers of a flow, are primarily composed of glass particles and tiny mafic minerals. This is why the outer surface of a flow is black. … The most abundant felsic mineral in lava rock is plagioclase feldspar, which gives the surfaces a waxy luster

View Full Details

Related Searches

Related Videos


Warning: foreach() argument must be of type array|object, null given in /srv/users/mrtsinci/apps/mrtsinci/public/wp-content/plugins/threemarketers_articleforge/tmaf_shortcodes.php on line 74

Write A Comment