Introducing hypocline and anticline in general! What are the characteristics of anticline and anticl

Updated on culture 2024-08-11
7 answers
  1. Anonymous users2024-02-15

    The anticline is generally a mountain, and the anticline is generally a valley, but because the top of the anticline is under tension, it is loose, so the anticline often becomes a valley after invasion! On the contrary, the bottom of the slope is loose, and it is often attacked twice to form a mountain! The anticline is a good place to store oil and gas, and the anticline is a good place to store water!

    Generally, the judgment of anticline is not judged by whether it is a mountain or a valley in appearance, but by the newness and oldness of the middle rock formation! If it is old in the middle, it is anticline, and on the contrary, it is oblique!

  2. Anonymous users2024-02-14

    Syncline. Under the strong compression action of the earth's crustal movement, the rock layer will undergo plastic deformation, resulting in a series of wave-like bending, called folds. The basic unit of the fold is the fold, and the fold has two basic forms, one is oblique and the other is anticline.

    Morphologically, the dip is generally a downward bend of the rock formation. Therefore, from the original form of the topography, the slope becomes a valley. However, due to the compression of the chute, the material is solid and not easy to be eroded, and after long-term erosion, it may become a mountain, and the corresponding anticline will be easily eroded due to rock tension and form a valley.

    Therefore, we should determine whether a fold is anticline or anticline based on the relationship between the old and new rock formations (see the entry for folds), rather than the surface morphology alone.

    Tilt is a good structure for water storage. Compared with oil, natural gas and groundwater, natural gas has the lowest density, followed by oil, and water has the highest density, and it bends downward to the inclined rock formation, that is, water storage. On the contrary, an anticline is a good oil storage structure.

    Anticline. Under the strong compression action of the earth's crustal movement, the rock layer will undergo plastic deformation, resulting in a series of wave-like bending, called folds. The basic unit of the fold is the fold, and the fold has two basic forms, one is oblique and the other is anticline.

    One of the basic forms of fold in fold construction, as opposed to "oblique". The shape of the anticline is generally a curved upward protrusion. The rock strata are inclined outward from the center, with the old strata at the core and the new strata on the flanks (this is the fundamental difference from the dip).

    Because the anticline rock layer arches upward, and the density of oil and gas is smaller than that of water, the anticline is often a good structure for oil and gas storage. In contrast, the dip is a good water storage structure.

    The top of the anticline is affected by tension, and the lithology is fragile and easy to be eroded, forming a valley under the action of external forces.

    In contrast to anticline, the bottom lithology is hard, not easy to erode, and easy to accept sedimentation.

    The anticline becomes a valley under the action of external forces, and the anticline becomes a mountain under the action of external forces, which is called "terrain inversion", which is a typical embodiment of the action of external forces.

  3. Anonymous users2024-02-13

    The difference between anticline and anticline is as follows:

    An anticline is an upwardly arched part of a folded structure. The core part is an old rock formation, and from the core part to the two sides (wings) is successively exposed as a new rock formation. If the anticline is a tectonic protrusion, its topography is an anticline mountain with ridge protrusions; After the fold is formed, it has undergone long-term weathering and denudation, and the anticline axis becomes an anticline valley on the terrain.

    Identification of anticlines should be determined based on the order of old and new strata and the characteristics of symmetry or repeated outcropping.

    Oblique is the part of the fold structure that bends downward. The core part is a relatively new rock formation, and the old rock formation is exposed from the core part to the two wings. Tilt structures are mostly valleys in terms of topography, and may also become highlands.

    Topographical features:

    A fold is a series of wave-like bends produced by rock layers in tectonic movements, which is a kind of plastic deformation that has not lost the continuity of rock formations, and a single anticline or anticline is called folds, which is composed of two parts: a core and a wing. The fold is the basic unit that makes up the fold, and the combination of two or more folds is called the fold. In nature, there is always one fold connected to another.

    Due to the different strength of the force, the bending shape and degree of the fold are also different. The basic forms of folds are anticline and anticline.

    Anticlines and anticlines are judged according to the old and new strata, the middle (core) of the anticline is the old strata, and the middle of the anticline is the new strata. The landform is generally an anticline uplift, but if there is a difference in lithology, the rock layer at the anticline is easy to weather, and the rock layer at the anticline is difficult to weather, then the opposite situation occurs - the anticline becomes a valley and the anticline becomes a mountain, which we call terrain inversion.

  4. Anonymous users2024-02-12

    The schematic diagram of the anticline is as follows:

    Bending occurs when the sides of a rock formation are compressed. Those that bulge upwards are called "anticline", and those that curve downward are "oblique". Under ideal conditions, the upward bulge of the anticline develops into a mountain peak, and the downward depression develops into a valley, that is, "the anticline becomes a mountain, and the anticline becomes a valley".

    Characteristics of anticline oblique

    Anticline refers to a structural style in which the middle of the original horizontal rock layer bends upwards and bends downward on both sides under the action of the earth's internal forces.

    In fact, the main thing is that you have to grasp the relationship between the old and new core strata of the anticline, the core rock strata of the anticline are older, and the core rock strata of the anticline are newer.

    If the horizontal line represents the denudation level, that is, if all the rock layers above the red line are eroded, the strata exposed in the anticline core are old, while the strata exposed in the anticline core at the same level belong to the newer rock strata. In fact, to sum up, after denudation, the exposed are the core, whether it is oblique or anticline, it is the core stratum of the slag group that is exposed.

  5. Anonymous users2024-02-11

    Anticline. It refers to the part of the rock layer that is convex upwards when it is folded, the rock layer is inclined outward from the center, the core is the old rock layer, and the two wings are the new rock layer; The anticline is the opposite of the anticline, which is the part of the downward depression when the fold occurs, and the rock layer in the fold is the younger it is.

    The main features of the anticline:

    1. Anticlines are often a good structure for storing oil and natural gas.

    2. The top of the anticline will be subjected to tension, which makes the lithology fragile and easy to be eroded by weathering, and forms a valley under the action of external forces.

    3. The rock in the top area of the anticline is broken, easy to mine, and suitable for building a quarry.

    The main characteristics of the oblique direction:

    1. Tilt is a good structure for storing groundwater.

    2. In the original topography, the oblique will be squeezed by the terrain and become the original place, but due to the extrusion of the inclined trough, the material is solid and not easy to be eroded, easy to accept sedimentation, and may become a mountain after long-term erosion.

    3. Bend downward to the inclined rock layer, and the force is concentrated in the center, so that the force at each point on the same plane of the inclined structure is uneven, so it is not suitable to build railway tunnels and other projects.

    When distinguishing between anticline and anticline, it is only necessary to remember that anticline becomes a valley under the action of external forces, and the anticline becomes a mountain under the action of external forces. This situation is in geography.

    It is known as "terrain inversion" and is a typical manifestation of the action of external forces.

  6. Anonymous users2024-02-10

    Differences:

    First, the nature is different.

    1. Anticline. When the rock layer is folded, the shape is raised upward.

    2. Oblique: It is one of the basic forms of folding, as opposed to anticline.

    Second, the characteristics are different.

    2. Oblique: Oblique is a part of the folded structure, with the two wings pointing upwards and ** buckling downward. The rock formation in the fold bend, the further **, the younger it becomes.

    Engineering applications of anticline.

    Anticlines are often good oil and gas storage structures. The anticline is suitable for tunneling. Coal and oil are formed by tens of millions of years of geological evolution, and are closely related to the new and old rock formations.

    Some sedimentary rock formations containing oil and gas are deformed due to intense pressure, and oil is enriched in the anticline. Therefore, the anticline structure is often a "warehouse" for storing oil, which is called "oil storage structure" in petroleum geology.

  7. Anonymous users2024-02-09

    The difference between anticline and anticline is as follows:

    1. According to the basic knowledge of structural geology, the two wings of the rock strata tend to be opposite or the tip of the triangle of the rock layer on the watershed of the two wings is anticline, and the rock strata of the two wings tend to be opposite to each other or the tip of the triangle of the rock layer on the watershed of the two wings is anticline.

    2. The turning end of the anticline points to the direction of the pivot dip, that is, the new rock layer is abruptly tilted, and the rock layer is inclined outward, and the oblique turning end points to the direction of the wing, that is, the old rock layer is abruptly tilted, and the rock layer is all inclined inward. However, it should be noted that in the case of linear folds, inverted folds and folds in deep metamorphic rock areas, the extent of their inverted folds is very small, so it is not easy to find their outcrops in the photographs.

    3. It is also very effective to interpret the anticline and anticline according to the fold structure landform markers. The steep slopes of the unilateral mountains formed by the two flanks of the dip are opposite to each other, while the anticlines are opposite.

    4. The characteristics of the water system at the turning end of the fold can also help determine the direction and anticline structure. Generally, the anticline is mostly inwardly retracted, and the anticline is mostly spread outward. In the case of reverse terrain, the situation is reversed or more complicated.

    5. Generally, the turning end of the fold is from the inside to the outside, and the outcropping width of the rock layer gradually increases obliquely. The outcropping width of the rock strata inside the fold is greater than the outcropping width of the rock strata around the fold.

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