How are springs formed in geographical phenomena?

The mountains are made up of limestone, while the plains also hide magmatic rocks underneath the mud. The limestone in the mountains was formed about 400 million years ago and is relatively pure in texture, and it slopes from south to north at an inclination of about 30 °. The limestone itself is not very compact, with voids, fissures and caves that store and transport groundwater.

Groundwater flows in large quantities along the slope of the limestone formations to Jinan. It has become the source of spring water in Jinan. In the magmatic rocks under the plains, it is tightly organized.

Therefore, after the groundwater flows here, it cannot flow when it is blocked by the magmatic rock. The magmatic rocks are covered with an impermeable layer of clay, and groundwater cannot flow freely out of the ground. These famous springs are formed by the strong pressure of these large amounts of groundwater that have been blocked and poured up from cracks in the ground.

Atmospheric precipitation seepage underground flows in the inclined direction of the rock layer, and is blocked by the intrusive rock mass, and the water is confined to the ground.

The surface of the ground is exposed, forming a spring. Why doesn't the spring seep down to form underground undercurrents and surface runoff? In the long geological time, the soluble limestone has undergone many tectonic movements and long-term dissolution, and the karst landform has developed, forming a large number of karst ditches, karst holes, karst caves and underground dark rivers, etc., which together form a vein-like underground network that can store and transport groundwater.

What is the ** of underground spring water? In the places where limestone outcrops and fissure karst develop, a large amount of atmospheric precipitation and surface runoff are absorbed, and abundant fissure karst water is formed by seeping into the ground. These fissures are karst water, affected by Archean metamorphic rocks.

The barrier moves horizontally to the north along the direction of the rock stratum inclination, forming an underground undercurrent, which encounters the obstruction of the intrusive rock mass and the fault interception. Where does the pressure from the spring water come from? Under the strong hydrostatic pressure, the groundwater passes through the karst fissures, grabs the ground in the contact zone between the limestone and the intrusive rock mass and the weak part of the Quaternary sedimentary layer, gushing out of the surface and forming a natural spring.

Is the spring water inexhaustible? Precipitation.

The amount of mining and the seasonal distribution also have a direct impact on the changes in the spring water.

The essence of spring water is formation water, which is stored in the pores or cracks of the formation and is subject to the pressure of the formation. When a set of pressure formations is opened, the fluid stored in the formation will continue to move from the high-pressure area in the formation to the low-pressure place at the opening under the pressure drive, which is generally achieved by drilling wells. However, some geological movements can expose such water-bearing formations directly to outgoing water, or they can be penetrated through a channel and then connected to the surface (faults that break through to the surface) and emerge from water.

Even oil can flow out of its own outlet under pressure control, so why not. The fluid pressure in the formation is very complex, but it is much simpler for formation water. Firstly, the pressure of the overlying stratum causes the rock to shrink in volume, and secondly, the effect of gravitational potential energy on a large scale.

A set of water storage strata, if exposed to precipitation in a high terrain area, drill a hole in a low terrain area to produce water, gravity into the pressure in the formation. Of course, there is also a kind of spring water that comes from the foot of the mountain when it rains up and down the mountain. Most of this is infiltrated along various rock crevices, and it is not supported by a living spring that flows all year round.

The water was under too much pressure, so I found an outlet.