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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.

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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.


What has the smallest grain size shale siltsone sandstone or Conglomerate?

SmallestshalesiltstonesandstoneconglomerateLargest


Where was breccia found?

Breccia is a clastic sedimentary rock composed of various sized visible pieces of other rock, cemented together by the processes of lithification. The pieces of rock that are visible are angular fragments, meaning they have somewhat jagged edges. This means that the fragments in the breccia did not travel far before they were deposited. If they had traveled longer and further they would have become rounded, in which case the resulting sedimentary rock would have been called conglomerate.


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.


Which sedimentary rock has the coarsest grain flint or limestone or sandstone?

== == The "coarseness" of a sedimentary rock refers to the rock's textural character, and more particularly, the size of grains contained within it. Thus, a conglomerate containing pebble or cobble clasts is coarser than a sandstone containing sand grains. In the same way, a conglomerate containing boulders is coarser than a conglomerate containing pebbles. Clastic sedimentary rocks are classified using the Wentworth Scale. The coarsest elements of this scale are the Rudites. Boulder rudites are conglomeratic rocks with grains of diameter greater than 256mm. They are the coarsest element described on the Wentworth Scale. There is no upper limit to the scale of sedimentary coarseness, since the size of clast which can be preserved in a sedimentary rocks is potentially very large. 'Olistolith' is a term which describes very large clasts often derived from the sub-sea collapse of oversteepened slopes such as are found at continental margins. Sediments containing olistoliths may reasonably be described as the coarsest sedimentary rocks.

Related Questions

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.


The difference between conglomerate and sandstone?

A sandstone is comprised primarily of small, rounded grains (typically <1mm in diameter) of quartz, feldspars, and other lithic fragments. A conglomerate is comprised of a mixture of larger rounded grains (>2mm diameter) that have been cemeted together and can be made up of a combination of any minerals. The main difference is the grain size; conglomerates can have large clasts and are poorly sorted whereas sandstones are well sorted and contain only small grains.


Compaction would probably be more significant as a lithification process for shale sandstone conglomerate or breccia?

Compaction would likely be more significant as a lithification process for shale and sandstone due to their fine-grained composition, which is conducive to compaction. Conglomerate and breccia are coarser and have less room for compaction due to their larger grain sizes and irregular packing.


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.


What has the smallest grain size shale siltsone sandstone or Conglomerate?

SmallestshalesiltstonesandstoneconglomerateLargest


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 is the grain size of breccia?

Randomly sized angular clasts in a finer-grained cementing matrix.


What is the Grain size of conglomerate?

Course grained it mean more than 2 mm.


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


Where was breccia found?

Breccia is a clastic sedimentary rock composed of various sized visible pieces of other rock, cemented together by the processes of lithification. The pieces of rock that are visible are angular fragments, meaning they have somewhat jagged edges. This means that the fragments in the breccia did not travel far before they were deposited. If they had traveled longer and further they would have become rounded, in which case the resulting sedimentary rock would have been called conglomerate.


What are a couple of examples of sedimentary rocks?

Rocks that are categorized as sedimentary rocks include sandstone, breccia shale, limestone and selenite. Sedimentary rocks are classified by their grain size.


What determines the grain shape of a rock such as conglomerate?

The mineral composition of the conglomerate determines the grain shape as well the the type of weathering or erosive elements (wind, water, chemicals) that the rock is is exposed to because grain shape is heavily dependent upon whether the rock has been subjected to erosion or not.