释义 |
Definition of quartzite in English: quartzitenoun ˈkwɔːtsʌɪtˈkwɔrtsaɪt mass nounGeology An extremely compact, hard, granular rock consisting essentially of quartz. It often occurs as silicified sandstone, as in sarsen stones. 〔地质〕石英岩 Example sentencesExamples - The most resistant rocks are quartzite and quartz-rich sandstones, and tough fine-grained rocks such as slate.
- The envelope consists of garnet gneiss, migmatite, sillimanite gneiss, fibrolite schist, andalusite schist and quartzite, phyllite and unmetamorphosed Palaeozoic to Cretaceous sedimentary rocks.
- 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.
- In addition to the volcanogenic sedimentary rocks, there are lenses of limestone, quartzite, shale and sandstone.
- The cobbles are dominated by pink quartzite, red sandstone and vein quartz, with minor granite clasts near the contact and rare green clasts.
Definition of quartzite in US English: quartzitenounˈkwôrtsītˈkwɔrtsaɪt Geology An extremely compact, hard, granular rock consisting essentially of quartz. It often occurs as silicified sandstone, as in sarsen stones. 〔地质〕石英岩 Example sentencesExamples - The envelope consists of garnet gneiss, migmatite, sillimanite gneiss, fibrolite schist, andalusite schist and quartzite, phyllite and unmetamorphosed Palaeozoic to Cretaceous sedimentary rocks.
- 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 cobbles are dominated by pink quartzite, red sandstone and vein quartz, with minor granite clasts near the contact and rare green clasts.
- The most resistant rocks are quartzite and quartz-rich sandstones, and tough fine-grained rocks such as slate.
- In addition to the volcanogenic sedimentary rocks, there are lenses of limestone, quartzite, shale and sandstone.
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