What Kind Of Rock Is A Marble

Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism.
What kind of rock is a marble. Marble is made by regional metamorphism of limestone or dolomite rock causing their microscopic grains to combine into larger crystals. Petrographically marbles are massive rather than thin layered and consist of a. Commercially it includes all decorative calcium rich rocks that can be polished as well as certain serpentines verd antiques. Marble usually lays among the oldest part of the.
Foliated metamorphic rocks pr essure squeezes or elongates the crysta ls. The aesthetic properties of the rock make it excellent in the cladding of buildings. Metamorphic rocks are one of three main types. According to wikipedia marble is a compact metamorphic rock composed of recrystallised carbonate minerals that have been subject to high temperatures and pressure resulting in different types of marble.
Calcite dolomite crystals and aragonite are the key components of marble. Marble is typically found among other metamorphic rock such as gneiss and mica schist. In geology pictures of rocks can be used to help you best determine which of the three major types a particular rock belongs to. What type of rock is marble.
Marble has been used in the construction of many of the world s iconic structures including the washington monument the taj mahal the lincoln memorial and the aon center among many others. Marble granular limestone or dolomite i e rock composed of calcium magnesium carbonate that has been recrystallized under the influence of heat pressure and aqueous solutions. Marble begins as limestone before being subject to the changing process referred to as metamorphism. In this hand specimen of vermont marble the crystals are small.
Marble is a metamorphic rock. Following is a list of marble types according to their colour since there is clearly a very wide and varied colour range our list below aims to highlight the most representative marble types. Marble is a type of metamorphic rock. Impurities are what gives marble its color.
It is composed primarily of the mineral calcite caco 3 and usually contains other minerals such as clay minerals micas quartz pyrite iron oxides and graphite under the conditions of metamorphism the calcite in the limestone recrystallizes to form a rock that is. Metamorphic rocks are rocks that have undergone a change in composition due to intense heat and pressure. Marble usually originates as limestone or dolomite. Marble is a rock popularly used in sculpturing and the construction.
Marble is a metamorphic rock composed of recrystallized carbonate minerals most commonly calcite or dolomite marble is typically not foliated although there are exceptions in geology the term marble refers to metamorphosed limestone but its use in stonemasonry more broadly encompasses unmetamorphosed limestone. Marble is a non foliated metamorphic rock. This type of metamorphic rock consists of recrystallized calcite in limestone or dolomite in dolomite rock. What types of rocks are there.
They can be divided into many categories but they are typically split into.