Characteristics of Sedimentary Rocks. Sedimentary rocks have different characteristics from igneous rocks. The following are the main characteristics of Sedimentary rocks:-
(i) Stratification - These rocks display many layers in them. On account of the existence of many layers in them, they are called stratification rocks.
(ii) Fossilization. The rocks have fossils of plants and animals in them. The fossils help with the dating of the age of the rocks and throw light on evolution of plant and animal life.
(iii) Porosity - The rocks are porous because they are composed of all sizes of particles-fine, small and big. The water can percolate through the pores between the particles.
(iv) Marks and Imprints - The sediment at the coast of shallow seas is mostly sand. When attacked by sea waves, it is often identified by Ripple Marks. These marks are imprints of waves and crest and trough can be easily located. Long slopes are formed in the direction of the on coming waves. The floods form giant types of wave marks. The crests and trough of these waves are 70-110 meters apart and about 0.5 to 1 meter high.
(v) Rapid Erosion-The sedimentary rocks are weathered and eroded more rapidly than other types of rocks.
Sediment is usually deposited in shallow seas, lakes, deltas, marshy areas, piedmonts, etc. Mostly the sediment is deposited in marine and continental environments but Sea coasts are the meeting areas of land and seas. Hence, the third type of sedimentary environment is called mixed continental-marine environment.
Locals hypothesize that the legacy of Italian blood and culture in Cologne, colonized by the Romans more than 1500 years ago, makes the people more jovial and lighthearted. Cologne is the largest city on the Rhine.
Kolsch is not only the dialect spoken here but, also the name of their own top-fermented beer. There are more than 4,000 pubs, restaurant's and brewery taverns in Cologne.
Unlike many of the world's large cities, Cologne, with a population of over a million, gets better every day, there are more things to do and see, more new and innovative buildings... more
Travel is an opportunity to learn, whether geography, languages, history or other subjects.
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Cologne is situated on the beautiful Rhine River.