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Rocks that have large grains you can easily see are described as fine grained true or false?
False. Rocks with large grains that are easily seen are described as coarse-grained, not fine-grained. Fine-grained rocks have smaller grains that are not easily visible to the naked eye.
What are two types of Non-Porous rocks?
Two types of non-porous rocks are quartzite and marble. Quartzite is a hard, non-foliated rock composed of quartz grains, while marble is a metamorphic rock primarily made up of calcite or dolomite crystals. Both rocks have low porosity, meaning they do not absorb water easily.
Which rocks has two different size grains of the same mineral?
Pegmatite is a type of igneous rock that can have two different grain sizes of the same mineral present. This is due to the slow cooling process of the magma, allowing for the growth of large crystals (phenocrysts) within a finer-grained matrix.
What are examples clastic sedimentary?
Sandstone, conglomerate, and breccia are examples of clastic sedimentary rock, composed of particles of other rocks.
Why can two rocks look very different even though they have the same minerals?
The two rocks in question may have different percentages of the same minerals, or their method of formation could be different, which can affect the shape and size of the mineral grains. Trace minerals in the two rocks could also alter their appearance, as well as the amount of weathering the rocks have been exposed to.
WHAT ARE two types of sedimentary rocks and describe what they are made from?
Two types of sedimentary rocks are sandstone and limestone. Sandstone is made from grains of sand that have been compacted and cemented together, while limestone is primarily made from the accumulation of the shells and skeletons of marine organisms.
Rocks that have large grains you can easily see are described as fine grained true or false?
False. Rocks with large grains that are easily seen are described as coarse-grained, not fine-grained. Fine-grained rocks have smaller grains that are not easily visible to the naked eye.
How do geologists classify metamorphic rock?
Geologists classify metamorphic rocks by the arrangements of the grains that make up the rocks.
Can two igneous rocks be made of the same minerals but have different names?
Yes. The grain texture also matters. For example, basalt and gabbro have the same mineral composition, but basalt, which forms on the surface, has microscopic grains while gabbro, which forms underground, has larger mineral grains.
What are two types of Non-Porous rocks?
Two types of non-porous rocks are quartzite and marble. Quartzite is a hard, non-foliated rock composed of quartz grains, while marble is a metamorphic rock primarily made up of calcite or dolomite crystals. Both rocks have low porosity, meaning they do not absorb water easily.
What are two examples of sedimentary rocks?
Limestone or Sandstone are two examples of sedimentary rocks. Two examples of sedimentary rocks are slate (fine silt) and chalk (shell remains of sea creatures).
What made rocks?
Rocks which are made of minerals can be made up of many minerals and they can also be made up of only one mineral. Generally rocks are made of two or more minerals
What two things are a comet made of?
gas and rocks
Metamorphic rocks are classified into two groups?
Metamorphic rocks are classified into two main groups: foliated and non-foliated. Foliated rocks have a layered or banded appearance due to the alignment of mineral grains during metamorphism, while non-foliated rocks lack this layered structure and typically consist of interlocking crystals.
Which two layer of the earth are made of rocks?
crust and mantle
What is the grain shape of a rock such as conglomerate?
Conglomerate is one of two similar rocks not to be confused. The large 'grains' are rounded as a result of their formation, and indeed the formation of the rock. Conglomerate is not to be confused with Breccia, a similar rock formed in very different circumstances. Breccia fragments tend to be smaller, but most of all are always angular.
What rock is stonhenge made of?
this two rocks are called marier and teriuy
