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pieces of rock
sedimentary,metormorphic , igneous .........
Three main ways and are classified accordingly. Igneous rocks form from molten material called magma.
Sedimentary rock is one of the three main rock groups (along with igneous and metamorphic rocks) and is formed in three main ways-by the deposition of the weathered remains of other rocks (known as clastic sedimentary rocks); by the deposition of the results of biogenic activity; and by precipitation from solution. Sedimentary rocks include common types such as chalk, limestone, sandstone, and shale. :)
Three main ways and are classified accordingly. Igneous rocks form from molten material called magma.
587i
Biologically, Chemically and Mechanically.
sediment
cleavage, fracture, luster, streak and color
Sedimentary rocks are made up of materials that were once part of another rock. Most sediments are deposited on ocean floors or at the bottom of rivers and lakes.Clastic sedimentary rocks form from layers of sediments. Pressure causes the water around the sediments to be squeezed out and the sediments are cemented together.
streak,color,hardness,heaviness,
Rocks are classified by they way they are formed. There are three main classes of rocks: igneous, metamorphic and sedimentary rocks.