Marble Earth Science Definition

Petrographically marbles are massive rather than thin layered and consist of a.
Marble earth science definition. Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. Commercially it includes all decorative calcium rich rocks that can be polished as well as certain serpentines verd antiques. Marble definition metamorphosed limestone consisting chiefly of recrystallized calcite or dolomite capable of taking a high polish occurring in a wide range of colors and variegations and used in sculpture and architecture. This spectacular blue marble image is the most detailed true color image of the entire earth to date.
Learn about the properties of diamond its many uses and diamond discoveries. 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 has many unique properties that make it a valuable rock in many different industries. According to flickr the western hemisphere blue marble 2012 image has rocketed up to over 3 1 million views making it one of the all time most viewed images on the site after only one week.
It is an intrusive rock meaning that it crystallized from magma that cooled far below the earth s. Granite is an igneous rock composed of mostly two minerals. Marble is commonly used for sculpture and as a building material. Marble is a type of natural stone found on earth and is usually white though it can come in a variety of colors and patterns including white black yellowish brown blue gray green pink and red.
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. 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. Most amazing high definition image of earth blue marble 2012 january 25 2012 updated february 2 2012.