quartzite
ક્વાર્ટઝાઇટ
definition
noun
In addition to the volcanogenic sedimentary rocks, there are lenses of limestone, quartzite , shale and sandstone.
an extremely compact, hard, granular rock consisting essentially of quartz. It often occurs as silicified sandstone, as in sarsen stones.
example
Based on field observations, a generalized sequence of events and mineralization at the Melco deposit began with structural deformation along a contact of sandstone and 'quartzite' during the Mesozoic Period.
The most resistant rocks are 'quartzite' and quartz-rich sandstones, and tough fine-grained rocks such as slate.
The cobbles are dominated by pink 'quartzite' , red sandstone and vein quartz, with minor granite clasts near the contact and rare green clasts.
In addition to the volcanogenic sedimentary rocks, there are lenses of limestone, 'quartzite' , shale and sandstone.
The envelope consists of garnet gneiss, migmatite, sillimanite gneiss, fibrolite schist, andalusite schist and 'quartzite' , phyllite and unmetamorphosed Palaeozoic to Cretaceous sedimentary rocks.
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