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When all the grains in a rock are large and small to see the rock is described as what?
When all the grains in a rock are large and small to see, the rock is described as having a bimodal grain size distribution. This means that the rock contains both large and small grains, with little to no medium-sized grains present.
When all the grains in a rock are large easy to see the rock is describe as?
When all grains in a rock are large and easy to see, the rock is described as coarse-grained.
When all the grains rock are large and easy to see the rock is describes as?
When all grains in a rock are large and easy to see, the rock is described as coarse-grained.
What is the size shape and position of grains that make up a rock called?
The size, shape, and arrangement of grains in a rock is known as its texture. Grains can vary in size from fine (small) to coarse (large), and can be rounded or angular in shape. The position of grains within a rock can be random or show preferred orientation.
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.
Which rock has large mineral grains-granite basalt obsidian pumice?
Granite has large mineral grains compared to basalt, obsidian, and pumice. It is an intrusive igneous rock formed from the slow crystallization of magma beneath the Earth's surface, allowing large crystals to develop. In contrast, basalt has smaller grains due to its rapid cooling, while obsidian is volcanic glass with no visible grains, and pumice is a light, porous rock with small, frothy bubbles.
What is an unsorted mixture ranging from small particles to large boulders?
An unsorted mixture of small particles to large boulders is called a conglomerate. It is a type of sedimentary rock characterized by its diverse range of grain sizes and is typically formed through the deposition and cementation of various rock fragments.
When all the grains in a rock are large and easy to see the rock is described as When all the grains in a rock are large and easy to see the rock is described as?
When all the grains in a rock are large and easy to see, the rock is described as "coarse-grained." This texture indicates that the rock has undergone a slower cooling process, allowing larger crystals to form. Coarse-grained rocks are often associated with igneous rocks, such as granite, where the individual mineral grains can be distinctly identified.
What rock has large mineral grains?
Fine grains of rocks are referred to as "clasts." The word "clast" comes from the Greek word "klastos," meaning "broken."
When all the grains in rock are large and easy to see the rock is described as?
Coarse grain
Magma cooling in 2 stages slow and then fast what is the resulting texture?
The resulting texture is porphyritic. The slower cooling stage allows large crystals to form (phenocrysts), while the faster cooling stage results in the formation of smaller crystals in the remaining magma (groundmass). This gives the rock a mixture of large and small crystals, creating a porphyritic texture.
How do you see rock grains on a rock?
You can see rock grains on a rock by examining its surface closely. Grains may appear as small, distinct particles of various colors and sizes. The use of a hand lens or magnifying glass can help to enhance the visibility of individual grains.
