Weng Xuehai and others rested for a night in the staff hotel.

Early the next morning, the group came to the geological institute of the Gobi City.

This geological institute is responsible for the geological exploration work in the Upper Egypt area, and the research equipment is relatively complete.

Brown and Weng Xuehai and others did not drag their feet and soon started scientific research.

Brown, who was busy updating the magnetic field data analysis system, hit the confirm button, and the system completed the update: "The analysis system is updated, and you can start analyzing the data." ”

"Hmm!" Weng Xuehai nodded, and he began to import the magnetic field data of the Upper Egypt region for nearly 200 days.

As the data was imported, a miniature holographic geological model of the Egyptian region emerged above the holographic projection device on one side.

Suddenly, Weng Xuehai's eyes froze and looked at the south side of the border between Egypt and Libya.

"It's ...... The mountainous area left behind by the remains of the hotspot ...... "He looked at the location on the map and saw that it was on the Grand Geileff plateau.

"Did you find anything?"

"There's a hotspot relic, probably the hotspot volcano in northern Chad, a relic left over from antiquity."

Brown also walked over and looked at the hologram carefully, and after a moment, he picked up his tablet and flipped through the five cratons and the various fault zones in Africa.

"You've found a problem, too." Weng Xuehai asked.

Brown's expression became a little solemn: "The activity of the African super mantle plume has increased. He turned his head and ordered, "Yingmu, please call up the historical monitoring data of the magnetic field satellite in Africa and import it into the analysis system." ”

Hideki Haruta replied, "OK." ”

After a while, the historical magnetic field data of the African region was imported.

Although it is not as detailed as ground-based magnetic field radar, it can still be used to resolve some situations in general.

And after reading the analysis results, Brown's face became even more solemn:

"The hotspot volcanic activity in northern Chad has increased by 2.4% in seven months, and the magma chamber below has invaded about 0.3 kilometers to the north."

"What do you think?" Weng Xuehai doesn't study volcanoes and mantle plumes or anything like that.

Hideki Haruta, who studies volcanoes and mantle plumes, explained with some concern:

"It is highly likely that this intrusion is due to a change in the earth's crust in the northern region, which has led to a reduction in mass pressure, which has allowed that magma chamber in Chad to push high-pressure magma through."

"Northern Chad?" Weng Xuehai looked at the map and found that the north of Chad is the southern part of Libya, which is also the pumping area of the Libyan Great Artificial River Project.

Hideki Haruta continued: "To use an analogy, the current situation is like a tire full of high-pressure gas, and part of the rubber on the surface of the tire has become thinner, which can lead to bulging or even a direct puncture. ”

Everyone reacted immediately, and their faces turned pale all of a sudden.

Especially when you think of the sudden eruption of the super mantle plume below, the picture is simply devastating.

In the Earth's geological history, there have been large-scale eruptions of mantle plumes, such as the Siberian Dark Rock Event.

Compared to the relatively stable South Pacific supermantle plume, the African supermantle plume is not stable.

Once the Nubian aquifer is developed in a large amount in a short period of time, it will inevitably lead to a sudden decrease in the stratigraphic pressure in the area, and the high-pressure magma hidden in the mantle column is very likely to invade along the magma chamber of the hot volcano, triggering large-scale geological activity.

You must know that the extraction of groundwater is somewhat different from the extraction of oil.

In oil fields, except for a few high-pressure blowout wells, all other oil wells need to be injected with fresh water to raise the surface of the oil.

And the amount of oil extracted will certainly not reach the level of tens of billions of cubic meters a year.

However, in places such as Libya and Egypt, tens of billions of cubic meters of fresh water from the Nubian aquifer are extracted every year.

In other areas, over-exploitation of groundwater will cause land subsidence at most, and in severe cases, earthquakes will be induced.

But Africa is different, with one of the world's two largest supermantle plumes underneath it, or a less stable supermantle plume.

In the event of a massive eruption of mantle plume magma, the consequences would be unimaginable.

Brown entered a figure to start simulating the scale of mass loss in the Nubian aquifer and the rate of decline in pressure within the Nubian aquifer, based on the extraction of 48 billion cubic meters of groundwater this year, plus an annual growth rate of about 5 percent.

The supercomputer simulated for more than ten minutes, and finally came to a conclusion, that is, about 37~52 years later, a large-scale magma eruption will erupt in northern Africa.

The size of the eruption can reach about one-third of the Yellowstone volcano.

If the scale of groundwater extraction in the Nubian aquifer were to grow at a rate of 10 to 20 percent per year, the eruption could be much faster.

Weng Xuehai smiled bitterly: "Human beings are really good at destroying themselves. ”

"Somehow, we have to find a way to solve this problem." Brown said solemnly.

After discussing the matter for a while, it was decided to jointly report the matter and let the headquarters intervene in Libya as soon as possible, preferably to control the Libyan region, so as to reduce the scale of groundwater extraction there.

After writing the emergency report, they didn't worry too much, after all, even if there was a super mantle eruption, there would still be no way to exterminate Homo sapiens, not to mention that it would take decades to accumulate.

They also continued to study the stratigraphic magnetic field data in Egypt and the surrounding area.

In particular, the hot volcanic remnants discovered by Weng Xuehai on the Grand Gilleuf Plateau have become the focus of research.

Such volcanic relics often contain a lot of rare metals and precious metal minerals.

Through careful analysis of the stratigraphic magnetic field in the area, Weng Xuehai did find a lot of ore veins hidden deep underground.

Although this is only a speculation and further on-site exploration is needed, Weng Xuehai is still very sure of these veins.

The underground veins of the Grand Gilleuve Plateau are intrusive magmatic veins, dominated by aluminum, iron, copper, gold and rare earths, with some sulphur and arsenic minerals.

However, given the proximity of Egypt's surrounding area to the African supermantle plume, he prefers a conservative reserve scheme in his mining opinions.

In addition, the Ministry of Geology is also organizing manpower to continue to analyze the magnetic field data around the world, hoping to find some precious and rare metal veins suitable for mining and relatively high reserves.

After all, with the application of electric heating materials and low-temperature superconductors, the demand for gold, silver and rare metals will become more and more huge.

The search for new veins has become an important task at present.

With the research data of Weng Xuehai and others in Egypt, the efficiency of geological exploration has been greatly improved.

The Ministry of Geology is in full swing prospecting.

And the joint report of Weng Xuehai and Brown and others was also conveyed layer by layer, and finally came to Li Qingye.

After reading the report, he also felt that it should not be left alone.

After weighing the pros and cons, Li Qingye asked the Field Support Department and the Defense Department to prepare a plan to bring all the areas around Nubia's water aquide under control in the next two or three years.

With his orders, the various forces of Homo sapiens in North Africa also became active.

Before you know it, more than a month has passed.

It's November 7th.

Li Qingye left his temporary residence in the Shan Highlands and headed for Johor in Sing Tao.

Just as he arrived in Kampong City, Johor, Bagaira reported good news to him.

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(End of chapter)