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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.
Is sandstone made from tiny bits of rock stuck together?
Yes. Usually quartz grains along with other rock or mineral particles.
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.
What is made from tightly packed grains of sand?
Sandstone is made from tightly packed grains of sand that have been compressed and cemented together over time.
How big is sandstone and why is it called sandstone?
Sandstone is a sedimentary rock made up of sand-sized grains of minerals or rock fragments. It can vary in size, from very fine to coarse grains. It is called "sandstone" because of its predominant composition of sand-sized particles that are compacted and cemented together over time to form the rock.
Sandstone made from?
Sand, usually quartz sand, with the grains cemented together by some other mineral, such as calcite, gypsum, haematite, or clay.
How do sediments change over time?
The get compacted with burial and dewater. The grains from which they are made become cemented together and the sediments become sedimentary rocks.
What is sandstone made up of?
Sandstone is made up of lightly compacted or cemented grains of sand. It should feel gritty to the finger and the grains should be visible. The grains will be mainly silica grains. [Finer grained material would be a siltstone, of which slate is a metamorphosed variety. ]
What is a protolith of sandstone?
A protolith of sandstone is a sedimentary rock made up of sand-sized mineral grains or rock fragments that have been compacted and cemented together over time. It can form from the erosion and deposition of pre-existing rocks like granite, quartzite, or basalt.
Is sandstone igneous or sedimentary or metamorphic?
Sandstone is a sedimentary rock which is made up of sand grains which have been compressed to form a rock that has very weak bonds holding the grains together. The grains themselves can be igneous, sedimentary or metamorphic depending on which rock the grains were eroded from.
Is sandstone made up as tiny bits of rock?
Yes, sandstone is composed of small grains of sand that have been compacted and cemented together over time. These grains of sand can be made up of different minerals such as quartz, feldspar, and mica.
What is tertiary sandstone?
Sandstone is a clastic sedimentary rock that is made up of cemented sand grains (usually quartz ) thank you for asking that as that was i was thinking be3fore i went to a museum
