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Rounded grains are those that used to be a cubic block and due to chemical weathering the edged have weathered. This led to a rounded grains.

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Does granite have rounded grains?

Granite does not have rounded grains but contains interlocking grains. An example of a rock with rounded grains is a sandstone.


What rounded stones used to crush grains in Neolithic period?

"What rounded stones used to crush grains in neolithic period?"


Which two rocks are made from rounded grains?

Conglomerate and sandstone are rocks made from rounded grains. Conglomerate consists of larger, rounded gravel-sized particles cemented together, while sandstone is composed of smaller, rounded sand-sized grains cemented together.


What rock is made of rounded grains that are all the same size?

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How do sedimentary grains become rounded?

Sedimentary grains become rounded through a process called abrasion, where they are tumbled and bumped against each other or other surfaces during transportation by wind, water, or ice. Over time, this constant rubbing and colliding smoothes out the sharp edges and corners of the grains, resulting in a more rounded shape.


Which rock is made of rounded grains that are all the same size?

Conglomerate, a type of sedimentary rock, is made of rounded grains that are all the same size. The rounding of the clasts indicates that they have been transported some distance from their original source.


What can be determined by studying the shape of clastic grains?

Studying the shape of clastic grains can provide insights into the transport history and depositional environment of sedimentary materials. Grain shapes, which can range from angular to rounded, indicate the degree of weathering and erosion they have undergone; more rounded grains typically suggest longer transport distances and more extensive abrasion. Additionally, the shape can inform geologists about the energy conditions of the environment where the sediments were deposited, with angular grains often found in high-energy settings and rounded grains in lower-energy environments. This information is crucial for understanding sedimentary processes and reconstructing past geological conditions.


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.


What is the cause for sand grains to round?

Sand grains become rounded through a process called abrasion, where they rub against each other or other surfaces. This constant friction wears down the sharp edges and corners, resulting in smoother, rounded shapes over time. The movement of water, wind, or ice can also contribute to the rounding of sand grains.


What does roundness tell us about sediment grains?

it tells us about the transportation of sediments before deposition. i.e if a sediment has travelled a longer distance, it'll be rounder. therefore the longer the transportation takes, the well-rounded it becomes


Sedimentary clasts and grains become rounded primarily during what?

Sedimentary clasts and grains become rounded primarily through the process of abrasion, where they are repeatedly bumped and rubbed against each other by flowing water, wind, or ice. This abrasion wears down the sharp edges and corners of the clasts, leading to a smoother and more rounded shape over time.


What is a rock that is made up as pebbles and sand grains that have been cemented together?

Conglomerate; a clastic sedimentary rock composed of rounded pebbles and sand cemented together.