0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What is pegmatite texture?
Pegmatite texture is a coarse-grained igneous rock texture characterized by exceptionally large crystals. These crystals can be several centimeters to several meters in size. The slow cooling of molten rock in pegmatite formations allows for the growth of such large crystals.
Is granite a glassy igneous rock?
No, granite is a coarse-grained igneous rock that is made up of minerals like quartz, feldspar, and mica. Glassy igneous rocks, like obsidian, form when molten lava cools quickly on the surface, resulting in a smooth, glass-like texture.
How are igneous rocks classified acording to their..?
Igneous rocks are classified by either being intrusive or extrusive, then mafic or felsic then they are classified by either fine grain or course grained textures.
What is a type of course grained sedimentary rocks?
shale
Is quartzite course grained or fine grained?
Quartzite is typically coarse-grained, with individual grains visible to the naked eye. This is because quartzite is formed by the metamorphism of sandstone, where the original sand grains recrystallize into larger grains.
Which would weather faster a fine grained or a coarse grained igneous rock?
A fine-grained igneous rock would likely weather faster than a coarse-grained igneous rock. This is because the smaller grains in a fine-grained rock provide more surface area for weathering processes to act upon, leading to quicker breakdown and erosion.
Description of granite?
Course igneous rock
What is the texture of igneous rocks that form far below earths surface?
Course grained texture.
What are the landmarks of Wisconsin like the monuments and forts and historical buildings?
Cheese of course
A course grained intrusive rock often used for building and monuments?
Granite is a common coarse-grained intrusive rock used for building and monuments due to its durability and aesthetic appeal. It is a popular choice for countertops, flooring, and architectural features thanks to its resistance to wear and weathering.
When does solidification of a course-grained igneous rock usually occur?
Solidification of a coarse-grained igneous rock usually occurs deep beneath the Earth's surface, in a magma chamber or intrusive setting. Here, the slow cooling allows for the formation of larger mineral crystals, resulting in a coarse-grained texture. Examples of coarse-grained rocks include granites and gabbros.
Is obsidian course grained?
fine grained
What is pegmatite texture?
Pegmatite texture is a coarse-grained igneous rock texture characterized by exceptionally large crystals. These crystals can be several centimeters to several meters in size. The slow cooling of molten rock in pegmatite formations allows for the growth of such large crystals.
Is quartzite rock fine grained course grained or medium grained?
Coarse
Is granite a glassy igneous rock?
No, granite is a coarse-grained igneous rock that is made up of minerals like quartz, feldspar, and mica. Glassy igneous rocks, like obsidian, form when molten lava cools quickly on the surface, resulting in a smooth, glass-like texture.
How are igneous rocks classified acording to their..?
Igneous rocks are classified by either being intrusive or extrusive, then mafic or felsic then they are classified by either fine grain or course grained textures.
Can extrusive igneous rocks be both fine grain and course grain?
No only fine grained as they cool quickly when out of the earths mantle so no time for crystals to form.
