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What property describes the size shape and arrangement of a rock's mineral grains?
The property that describes the size, shape, and arrangement of a rock's mineral grains is known as "texture." Rock texture is an essential characteristic used to classify and identify rocks, indicating how the mineral grains interlock, their relative sizes, and any patterns in their arrangement. This can provide insights into the rock's formation process and the conditions under which it was created.
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A rock whose mineral grains are not formed in bands is called?
Rock
When mineral grains in a metamorphic rock do not form layers the rock has what texture?
no texture
What is a rock's texture?
The texture of a rock consists of it's grain or mineral crystal size, the arrangement of the grains or crystals, and the degree of uniformity of the grains or crystals. Examples of rock texture would be: * Coarse grained--visible crystals or grains as in granite. * Fine grained--small grains, invisible to the unaided eye as in shale. * Porphyritic--large visible crystals in a fine grained matrix as in granite porphyry. * Schistose--layers of flattened micaceous minerals such as in mica schist. * Foliated--a metamorphic rock texture of parallel mineral banding as in gneiss. * Homogenous--same grain apperance in all directions as in basalt.
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 the three types of grains of rocks?
The three types of grains in rocks are igneous, sedimentary, and metamorphic grains. Igneous grains form from the cooling and solidification of molten material, sedimentary grains originate from the accumulation of mineral and organic particles, and metamorphic grains result from the alteration of existing rocks under heat and pressure. Each type reflects different geological processes and environments of formation.
Different types of metamorphic are distinguished by the?
arrangement of mineral grains within the rock
What is the word that describes the shapes and sizes of the grains in a rock?
The word that describes the shapes and sizes of grains in a rock is "texture." Texture refers to the arrangement and size of mineral grains in a rock, whether they are fine-grained, coarse-grained, or other specific characteristics.
What does rock texture include?
Rock texture includes features such as grain size, composition, porosity, and arrangement of mineral grains. These characteristics can help identify different types of rocks and provide clues about their formation history. Texture can range from fine-grained (small mineral grains) to coarse-grained (large mineral grains) depending on factors like cooling rate and pressure.
What is the grain property of rock fragments?
The grain property of rock fragments refers to the size, shape, and arrangement of mineral grains within the rock. It is important for determining the rock's texture and can provide information about the rock's formation history and the conditions under which it was formed. Grain size can range from fine (tiny grains) to coarse (larger grains), impacting the overall appearance and characteristics of the rock.
Which property describes how a rock feels?
A physical property that describes how something feels is called texture.
What does schist mean?
any of a class of crystalline metamorphic rocks whose constituent mineral grains have a more or less parallel or foliated arrangement.
What are four ways to characterize rocks in continental interiors?
Rocks in continental interiors can be characterized by their mineral composition, texture, structure, and age. Mineral composition refers to the types of minerals present in the rock, whereas texture describes the size and arrangement of mineral grains. Structure refers to the orientation and arrangement of rock layers or features within the rock, and age provides information on when the rock formed relative to other geological events.
Different types of metamorphic rocks are distinguished by the?
Different types of metamorphic rocks are distinguished by the minerals present, the degree of metamorphism they have undergone, and their texture or fabric. Texture refers to the size, shape, and arrangement of mineral grains within the rock, while the degree of metamorphism can range from low-grade (such as slate) to high-grade (such as gneiss).
What are some non examples of texture in rocks?
Texture in rocks is not the same as color or shape. Texture refers to the size, shape, and arrangement of mineral grains or crystals within a rock, while color refers to the outward appearance of the rock. Similarly, shape in rocks refers to their physical form or structure, and not the internal arrangement of mineral grains which defines texture.
What is the parallel arrangement of certain mineral grains that gives the rock a striped appearance?
The parallel arrangement of mineral grains in a rock that gives it a striped appearance is called foliation. This typically occurs in metamorphic rocks due to the alignment of minerals under pressure and heat, resulting in distinct bands or stripes. Foliation can provide clues about the rock's history and the direction of metamorphic forces.
Does pumic have mineral grains?
Pumice does not have grains.
Why do mineral grains have interlocking edges?
Mineral grains have interlocking edges to provide mechanical strength and stability to the rock. This interlocking arrangement increases the cohesion between grains, making the rock less prone to breakage and deformation under pressure. The interlocking edges also help in distributing stress more effectively throughout the rock mass.
