Marble S Protolith

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 s protolith.

This allows it to be economically mined on a large scale with some mines and quarries producing millions of tons per year. Usually marble contains other minerals including quartz graphite pyrite and iron oxides. In its pure form marble is a white stone with a crystalline and sugary appearance consisting of calcium carbonate caco 3. Gray slate is common but the rock occurs in a variety of colors including brown purple green and blue.

It is a fine grained metamorphic rock formed by compression of sedimentary shale mudstone or basalt. Marble may be snow white either if the protolith was very pure or if the rock has been bleached by a water rich fluid. These minerals can give marble a pink brown gray green or variegated coloration. Marble is commonly used for sculpture and as a building material.

Marble occurs in large deposits that can be hundreds of feet thick and geographically extensive. 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. This rock sample is not marble it is quartzite metamorphosed sandstone. Most marble is made into either crushed stone or dimension stone.

Crushed stone is used as an aggregate in highways railroad beds building foundations and other types of construction.