Sedimentary rocks are formed from the rock fragments that are made when a rock is eroed. Theese rock fragments are transported (carried away) from the rock face, usually by streams or rivers. As they are transported by the water, the rock fragments knock against each other and wear away. When they become very small they are called grains
what processes must sedimentary rock go through to become a metamorphic rock
No. If it has rounded pebbles, it's probably called conglomerate, a sedimentary rock containing rounded rock fragments from 3/4" to 6' in diameter that may have a sandy matrix. Sandstone is made up of much smaller grains.
The first four digits are the ones to stay; the rest become zeros and become "unsignificant". 431,801 rounded becomes 431,800.
It doesn't have to. Most rocks exposed at the surface will erode and become sedimentary, but igneous rock that is underground can be remelted and become another igneous rock, or can become metamorphic.
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Rock-Tenn Company (RKT)had its IPO in 1994.
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A nugget is gold that has weathered out of rock. Resistant to weathering, but malleable, the gold weathered from rock will tend to become rounded, taking the shape of a nugget. Although gold can be found in association with existing rock in situ, it will not have the characteristic rounded shape of a nugget.
A conglomerate, classified by rounded rock fragments larger than 2cm compacted and cemented into a rock.
Sedimentary rocks are formed from the rock fragments that are made when a rock is eroed. Theese rock fragments are transported (carried away) from the rock face, usually by streams or rivers. As they are transported by the water, the rock fragments knock against each other and wear away. When they become very small they are called grains
A lot of rocks have sat in water at one time or another, and flowing water erodes minerals, giving rocks a smooth, rounded shape over time.
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Erosion and weathering will cause rocks to become rounded.
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They fragment and become jagged, they become rounded by means of water erosion, which is why rounded rocks are found by rivers, creeks, etc.
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