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Volcanic activity in ancient times created conditions for the birth of life on earth.
In Ninghai, there are many volcanic remains scattered.
Those exposed rough rocks still retain the hot memory of red molten slurry,
magnificent and desolate.
It is a history book that witnessed the changes of life on the earth, and
it is also a dialogue with the ancients.
Chashan
The highest, largest and most typical crater
Chashan, located in Liyang Town, Ninghai County, is the highest mountain in the north of Ninghai, with its main peak as high as 872 meters above sea level. Standing on the top of Chashan Mountain, I have a bird's eye view of the islands and fishing sails of Sanmen Bay and Xiangshan Port, dotted with stars and the Milky Way shining. Chashan, formerly known as Gaicang Mountain, came into use today because there were many teas on the mountain. In the Northern Song Dynasty thousands of years ago, it had been "extremely prosperous". There is a little moss on the mountain, and the morning dew is long. In the blooming season of azaleas, there are clusters of wild azaleas everywhere in the mountain, which bloom brilliantly for ten miles.
Chashan is probably the most typical volcanic landscape in Ninghai-it is difficult to create such a high mountain in general orogeny, and only volcanic eruption can achieve this height. From the academic level, it seems more reasonable to call Chashan "the top of the East China Sea volcano". The mountain of Chashan is very vast, stretching all the way from Ninghai to Xiangshan. To be exact, it is not a volcano, but a collection of volcanoes. Or it can be said that Chashan is a landscape formed after many volcanic activities in history.
Walking in the dense forest of Chashan, insects and birds can be heard everywhere, the stream is crystal clear, and the air is green and moist like rice paper full of ink and wash. Looking at the rock wall, the steep cliff has a strange dark red, and the volcanic landform is still mysterious and amazing. Judging from the large exposed rocks on the main peak, the volcanic rocks here are estimated to be no more than 1, years-1, years of history is by no means old for volcanic landforms.
It is this young "Chashan Broken Volcano" that became a national geological relic area in 29, and this honor has strengthened its position as the "leading brother" in the local volcanic group.
The reason why it has attracted the attention of geological circles probably lies in its height and typicality: it not only has a huge volcanic cone-Mozhu Peak, the main peak of Chashan Mountain (the mountain near the main peak is steep and the exposed area of magmatic rocks is large); There is also a sunken crater-Yunfeng 'an Reservoir area (surrounded by peaks around, central basin-shaped depression); Volcanic clastic rocks with obvious stratification-highway cliff under Mozhu Peak; There is also a flat stream formed by volcanic lava flow-the valley of the upper reaches of Hulongtan Village Power Station at Qiaotou; The steep volcanic landform-Wuying Peak Scenic Area.
It's interesting to wander on the green tea mountain. Volcanic slag, volcanic rocks with tiny pores and almond-shaped basalt all over the mountain are unexpected surprises.
The youngest crater of Chongsi Mountain
Most of the crater remains found in Ninghai were formed by Tertiary eruption 2 million years ago. It seems far away, but from the geological age, the Tertiary is very close to the present Quaternary and belongs to a very young geological landscape. To say the youngest crater in Ninghai, it should be located on Chongsi Mountain in the south of Sangyuan Village, West Gate of Chengguan, Ninghai County.
This hill is less than 1 meters above sea level. From the south of the mountain, it looks like a very ordinary hill. If someone hadn't pointed it out, I would never have thought it was a volcano, let alone a garden-like "secret realm".
from the low slope full of yew, you can get to the secret land in a short time. This is a deserted planation. Thanks to the nourishment of volcanic rocks, plants are particularly lush, and chirping birds are hidden in the forest. As soon as you open your eyes, you will suddenly see a large area of wild grass swaying in the wind, and cracks in a large area of dark rocks are clearly visible. After a full night of rain, the fleshy plant Sedum southeast has a layer of sparkling luster, which is infinite love.
Soft green moss, like stars, like small flowers, like broken rice, is alive and soft, and even in the coldest winter, it can radiate the color of the first bud in spring. A few clustered under the water, stretched more widely, simply grew into duckweeds and swayed in the water. There are also several sunken pits on the plane, and the cracks in the volcanic rocks are hard and dense, so it is full of rain, and the surrounding water vapor is very strong. Clouds float from time to time in the sky, casting mottled clouds in the pool, which is simply a mini version of "Jiangnan Small Tianchi".
even the best gardener can't manage this kind of "secret garden". Unified * * * but two or three acres of the size of the plane, but the beauty is staggering, about because of the accident. If you pay a little attention, you will find that the basalt formed by volcanic magma has not weathered into loess, and it is still dark and cold, indicating that the volcanic landform here is still very young. Experts estimate that the age of these basalts will not exceed 1, years-1, years old is still a child in the geological world.
These dark brown young volcanic rocks are lightly weathered and cracked into many polygons, which makes you think that they are many independent stones. In fact, it is only the surface layer that is disintegrating day by day. These stones are still tightly connected underground, and you can't dig out any stone from the ground alone.
Besides Chashan Mountain and Chongsi Mountain
What other places in Ninghai are volcanic landforms?
in the next issue, we will continue to popularize science ~
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