Marble S Protolith

Usually marble contains other minerals including quartz graphite pyrite and iron oxides. This allows it to be economically mined on a large scale with some mines and quarries producing millions of tons per year. These minerals can give marble a pink brown gray green or variegated coloration.

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Protolith An Overview Sciencedirect Topics

Protoliths

10 3 Classification Of Metamorphic Rocks Physical Geology First University Of Saskatchewan Edition

Metamorphic Rocks

Exercises On Metamorphic Rocks Introductory Physical Geology Laboratory Manual First Canadian Edition V 3 Jan 2020

Metamorphic Rock Metamorphic Variables Britannica

It is a fine grained metamorphic rock formed by compression of sedimentary shale mudstone or basalt.

Marble s protolith.

The protolith of marble was limestone or dolomite. Marble is a metamorphic rock with limestone as protolith and that means that there was a large amount of pressure and high temperature as well but with marble it s mostly pressure on the. Marble may be snow white either if the protolith was very pure or if the rock has been bleached by a water rich fluid. In its pure form marble is a white stone with a crystalline and sugary appearance consisting of calcium carbonate caco 3.

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 marble is made into either crushed stone or dimension stone. Width of sample 14 cm. Jerry has a total of 23 marbles the marbles are either blue or green he has three more blue marbles than green marbles how many marbles does he.

Crushed stone is used as an aggregate in highways railroad beds building foundations and other types of construction. Marble occurs in large deposits that can be hundreds of feet thick and geographically extensive. This rock sample is not marble it is quartzite metamorphosed sandstone. Gray slate is common but the rock occurs in a variety of colors including brown purple green and blue.

Marble is commonly used for sculpture and as a building material.