Metamorphic rock is rock that has been greatly changed due to its surrounding environment. The word comes from the Greek words meta, meaning change, and morph, meaning form. Marble, quartzite and slate are a few examples of metamorphic rock. Marble is formed from limestone, slate is formed from shale, and quartzite is formed from sandstone. The metamorphic process often happens deep underground and the rock is usually quarried or resurfaces due to erosion.
(Hili ni tatizo kwa watu wengi sana, kutokujua tofauti ya marble, na Formica. na zinatumika wapi, na jinsi ya kuziweka).......Hii ni historia fupi ya marble.....nimeshindwa ku tafsiri kutokana na muda naomba mniwie radhi kwa hili)
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