Serpentine Marble Metamorphic Grade

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.

Serpentine marble metamorphic grade. In low grade metamorphic rocks original textures are often preserved allowing one to determine the likely protolith. May be harder than glass in places. Serpentinite is a rock composed of one or more serpentine group minerals the name originating from the similarity of the texture of the rock to that of the skin of a snake. This type of metamorphic rock is the name of highest grade metamorphic facies.

And y will be silicon aluminum or iron the appropriate generalized formula is thus. Serpentine group minerals antigorite lizardite and chrysotile are produced by the hydrous alteration of ultramafic rocks. As the grade of metamorphism increases original textures are replaced with metamorphic textures and other clues such as bulk chemical composition of the rock are used to determine the protolith. Magnesium iron nickel aluminum zinc or manganese.

The higher the metamorphic grade. Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. Serpentine is not the name of a single mineral instead it is a name used for a large group of minerals that fit this generalized formula. Math science nucleus 2001 1 metamorphic rocks teacher guide including lesson plans student readers and more information lesson 1 formation of metamorphic rocks lesson 2 metamorphic rock classification chart lesson 3 metamorphic rocks lab lesson 4 the many facies of metamorphic rocks lesson 5 michelangelo and marble designed to be used as an electronic textbook.

This eclogite specimen from jenner california consists of high magnesium pyrope garnet green omphacite a high sodium aluminum pyroxene and deep blue glaucophane a sodium rich amphibole. Hydrothermal solutions concentrated during final stages of magma crystallization in batholiths or hot seawater solutions. Most metamorphic rocks form during regional metamorphism where whole sectors of the crust are pressurized and heated forcing large. Minerals in this group which are rich in magnesium and water light to dark green greasy looking and slippery feeling are formed by serpentinization a hydration and metamorphic transformation of ultramafic rock from.

Marble is commonly used for sculpture and as a building material. These are igneous rocks that are composed of olivine and pyroxene peridotite pyroxenite serpentine group minerals occur less commonly in some olivine bearing marbles ophicalcite. Mottled green and gray. X 2 3 y 2 o 5 oh 4 in this formula x will be one of the following metals.