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What has the smallest grain size shale siltsone sandstone or Conglomerate?
SmallestshalesiltstonesandstoneconglomerateLargest
What minerals make up conglomerate?
Hi there, a conglomerate is actually a crock where the dominant grain size is larger than a certain size. From memory it is 5mm. A conglomerate can be made from any mineral assemblage. www.aapg.org is a good place to find out more
What is the Grain pattern of conglomerate?
Conglomerate typically has a coarse grain pattern due to its composition of large fragments or clasts that are bound together by a finer-grained matrix. The clasts can range in size from pebbles to boulders, giving conglomerate a distinctly visible grain size variation.
In your own words compare the grain size shape and pattern of the conglomerate and breccia?
Conglomerate and breccia are both types of sedimentary rocks that consist of larger clasts, but they differ in grain size, shape, and pattern. Conglomerate is characterized by rounded clasts, indicating they have been transported over long distances by water, while breccia features angular clasts, suggesting minimal transport and a more local origin. The grain size in both rocks can vary, but conglomerate typically has larger, more varied-sized grains, whereas breccia may contain more uniform-sized fragments. The overall pattern in conglomerate tends to be more cohesive and less chaotic compared to the more disordered arrangement often seen in breccia.
What is the size of a conglomerate rock?
Conglomerate rocks can vary in size, ranging from pebble-sized particles to larger boulders. The size of the particles in a conglomerate rock depends on the transportation distance and energy of the environment in which they were deposited.
Which layers are composed of sediments of the largest grain size?
The top layer, known as the topsoil, is composed of the largest grain size sediments in soil. These sediments consist of sand, silt, and clay particles that have undergone weathering processes and accumulated on the Earth's surface.
How does texture affect grain size in rock?
It doesn't. The grain size effects the texture. If a rock has a small grain size, it will have a smooth texture. If the grain size is large, such as pebbles, the texture will be rough. For example, siltstone is one of the smoothest rocks because it contains silt particles, which are .0004cm to .006cm. Conglomerate though contains various particles including cobbles and boulders, which are from 10cm to 100cm.
Which sedimentary rocks have a definite grain size?
Sedimentary rocks with a definite grain size include sandstone, which is composed of sand-sized grains, and conglomerate, which consists of larger, rounded clasts. Siltstone and claystone also exhibit specific grain sizes, with siltstone composed of silt-sized particles and claystone made up of even finer clay particles. These rocks are classified based on the size of their constituent grains, which helps in understanding their formation and depositional environments.
What is obsidian's grain size?
there is no visible grain size
What is the main criterion for classifying detrital sedimentary rocks?
The main criterion for classifying detrital sedimentary rocks is the grain size of the particles they are composed of. Detrital sedimentary rocks are classified based on the size of the sediment particles, including categories such as conglomerate, sandstone, siltstone, and shale.
Are conglomerate rocks heavy?
Conglomerate rocks can vary in weight depending on factors like composition and size of the clasts within it. Generally speaking, conglomerate rocks can be heavier than rocks of similar size due to the presence of larger, denser clasts.
Is conglomerate intrusive or extrusive?
Neither. Conglomerate is a sedimentary rock. Intrusive and extrusive are descriptive terms used to classify igneous rocks.
