As they are created, sedimentary rock strata are aligned

There are two types of structure in sedimentary rocks, they are primary structure and secondary structure. This type of lag is also separated into multiple process-based types, which include physics, biology, and chemical structure.

Explanation:

• Primary Structure

Sedimentary rocks are formed along with the formation of sedimentary rocks for this type of structure. The first primary structure is the physical structure in which such rocks happen in the form of currents or waves owing to physical processes, such as the process of deformation. The second primary structure is biologically formed sedimentary rock. Its structure is the outcome of organisms' activity. There are traces, excavations, and molds. Then the third one is a concrete-like chemical structure.

• Secondary Structure

After the sedimentary rock process is formed, the secondary structure occurs. This is called epigenetic in geography. There are many types of classification. One of them is the' Bedding' type, which is a 1 cm thickly layered structure. Then there is also a layer named 'Graded Beeding', where the composition may gradually change.

The 'Slump' layer has small folds and is not consolidated completely yet. Sedimentary rocks are named 'Stromatolites' in the secondary structure. This rock has a reef sheet. There are sedimentary rock structures created by rainwater scours or called 'Rain Marks’. There is a sedimentary rock structure with unique grooves such as flames created because the sediment layer burden at the top is heavier.

Learn More

If you’re interested learning more about this topic, we recomended you also take a look at the following question:

•Earth is a layered sphere with the -density material found near the center of Earth and the - density material located near the surface.

Keyword:  Sediment, Rock, Sedimentary Rock

Subject  :  Geography

Class  :  10-12

Subchapter:  Sediment

analyze the map below and answer the question that follows.

what does the map above tell us about the endemity of typhoid fever?

a.

there is greater occurrence of the disease in the western hemisphere.

b.

there is greater occurance of the disease in the northern hemisphere.

c.

countries located in equatorial regions are more likely to have incidents of typhoid fever.

d.

typhoid fever is more rampant among caucasian populations.

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