Back in the city, Xu Xin transferred another 5 million to the mining account in the book on the same day, and the money went to the account of 107 Company the next day.

He stayed in the small hotel where the 107 company went out and turned left, and discussed the situation of the project with He Xi, He Penghui and others at any time.

Three days later, it was the middle of the night.

Xu Xin slept in a daze, and was suddenly awakened by a series of violent knocks on the door, thinking that it was an emergency such as a fire or a police round, so he opened the door and ran out without wearing clothes.

Through the dim light of the corridor, I found He Penghui standing at the door with a smile on his face.

"See the mine!" He Penghui grabbed Xu Xin's hand and shouted excitedly.

In the middle of the night, the other guests are afraid to wake up.

"What mine?"

Xu Xin looked left and right, there was no fire alarm, relieved, and walked back while rubbing his eyes.

He lifted the quilt, lifted his legs and got inside.

This hellish weather, shivering with cold.

He Penghui followed into the room and said excitedly: "Don't sleep, let's go up the mountain and have a look!" ”

It was pitch black outside the window, and the shadows of the trees were abundant.

Xu Xin was lying in the quilt, only revealing a pair of eyes, "Let's go to bed first, in the middle of the night, I can't see anything." ”

"It's really a mine, a good mine!"

He Penghui threw the clothes on the bedside on the quilt and said eagerly: "Old He is waiting for us below, now set off immediately to see the borehole core!" ”

"Alas......"

Xu Xin reluctantly got out of the warm quilt, put on clothes, washed briefly, and followed He Penghui to the gate of the compound of 107 Company.

Just one car, in addition to the driver, it was He Xi, He Penghui, and Xu Xin, and Song Lejia went back to the provincial capital to do other things after taking a look at the drilling.

got into the car, Xu Xin wrapped his hands in a down jacket, sat in the passenger seat, was blown by the heater in the car, and fell asleep again.

"This kid is so calm!" He Xi was greatly surprised when he saw Xu Xin's appearance.

So far, 10 million dollars have been invested in this project, but it has all been taken out of his trouser pocket.

As a result, now that he has made a major discovery in his work, he is indifferent and can sleep peacefully.

He Penghui couldn't help but sigh, "My reaction, is it too excited?" It should be calm and steady. ”

"You didn't tell him the details?" He Xi asked.

"I told him that I had seen the mine, but I didn't say specifically, but after this kid was woken up by me, he turned around and ran back to bed to continue sleeping, and he didn't want to listen to me at all."

"It's a good mentality."

When they arrived at the project department, the east hill was already white, and the mountain road could be faintly seen.

Wu Fuyan and the others knew that He Xi and He Penghui were coming, and they had already had breakfast and were ready to go.

"Go straight up the mountain to see the core!" He Xi waved his hand, walked like a fly, and walked in front.

He was more anxious than everyone else.

Winter mornings are especially cold and biting, with sparkling ice crystals hanging from the blades and branches of grass.

"Don't you sleep most of the night?" Xu Xin wrapped himself in a down jacket and muttered.

Wu Fuyan walked behind him and explained: "We speculate that this borehole can be drilled to about 700 meters, and it can basically hit the fault below and penetrate the kimberlite rock mass.

The rigs were all started overnight in three shifts, and we had to follow along.

A phone call came in the middle of the night today, and two technicians from the cataloguing team went up the mountain overnight, and they are still guarding next to the core. ”

"Good work." Xu Xin suddenly became energetic.

Everyone is a young person, and he has no reason to be more hypocritical than others.

"When I saw the mine, everyone was more excited, and they were not in the mood to sleep, they all got up early and wanted to go and see." Wu Fuyan is used to such field work and life, and he doesn't feel hard.

Xu Xin remembered that when he was still sleeping like a dead pig, He Penghui knocked on the door vigorously and kept shouting, "See the mine".

What kind of mine did you see and be so excited?

He couldn't help but be full of anticipation and quickened his pace.

"What mine did you see?" He asked He Penghui, who was walking in front.

He Penghui was the most excited at night.

"Let's go and see it first, and when we get to the scene, we will know if it is a technician's judgment error." He Penghui turned around and smiled and sold Xu Xin.

Xu Xin didn't ask anymore, and looked down at the rugged mountain road at the bottom of his feet.

The machine is brightly lit.

Two young technicians, wearing the same thick green military coat, look like labor protection uniforms issued by the company.

They kept waving their hands to prevent a few drillers from approaching the core box.

Seeing He Xi, He Penghui and others coming, the nervous look on their faces finally relaxed, but they didn't come over to greet them, and still stood vigilantly next to the core box.

"What's going on with these two dolls, the core we drilled up, let's see it, what's so strange!" An older driller grumbled.

"A few broken stones, what's there to see!"

"It's very bullish, the hen who guards the cubs."

The more the drillers were blocked, the more they wanted to see the core they had just taken, and they couldn't help but complain as if they were scratched by a cat's claw.

He Penghui came to the two technicians, pointed to a few grumbling drillers, and asked, "What's the matter?" ”

"When we saw the diamond just now, we said that it was leaky, and I said that this stone was probably worth millions." A technician explained.

"The drillers want to squeeze in to see, and if we don't agree, we can only stay here."

"You're doing the right thing!" He Penghui encouraged.

He Xi had already bent down and squatted down to check the core box.

"That's it!" A technician points to one of the cores.

The rock in the ground rotated rapidly under the drilling rig, and the drill bit grinded off the surrounding rock, and the rock taken up was smooth cylindrical, like an enlarged golden hoop rod.

Kimberlite is very hard, and the core taken up is very complete.

However, in order to fit the core box, the driller usually breaks the core and turns it into a columnar rock of varying lengths.

It was on the core section that the two technicians in charge of cataloging found a small shiny stone.

On the gray-black rock face, it is so brilliant and dazzling.

After just one glance, the two technicians couldn't look away.

Following the technician's fingers, He Xi picked up the core and saw the half-exposed small crystalline stones on the section.

"Could it be quartz, or calcite?" He Penghui also squatted down.

"It can't be, the surrounding rock is all kimberlite, look at these markings. At this location, there are still tens of meters away from the fault below. ”

"Could it be spinel?" He Penghui asked again.

"If you look closely at the crystal shape of this rock, there are spots on the surface, which are traces of high-temperature dissolution, and the whole is yellowish."

He Xi held the heavy core and carefully looked at the almost transparent small stones inlaid on the section, "With the characteristics visible to the naked eye, it is very similar to the diamond placer particles produced in the water phase province.

My preliminary judgment is that it is a diamond! ”

Everyone was originally in a nervous mood, for fear that it would be empty and happy.

As soon as I heard this, I was overjoyed, this is a real mine!

"We measured it with an instrument and it showed that it was a real rough diamond!" A technician said excitedly.

Diamonds fluoresce when exposed to X-rays.

This optical property is widely used in the detection of diamond content in rocks, especially in diamond mining, where the ore recovery rate is close to 100%.

He Xi gently knocked the core with a geological hammer, and after a while, he actually took out the ore embedded in it.

Large-grained diamonds are often found by manual picking.

This is especially true of the historically famous large diamonds.

The crystal ore lay quietly in the palm of his wrinkled and furrowed hand.

"About three carats!" He Xi weighed the weight.

"It's a big bonus!" He Penghui couldn't hide his excitement.

In the lower reaches of the Yuanjiang River, the four diamond placers that have been discovered in the Water Sector Province have been mined for so long that the number of three-carat diamonds is only a handful!

Everyone was craned their necks and stared at the little stone.

Everyone knows the value of diamonds, and a three-carat diamond is definitely more than a million!

If the condition is good, the value ceiling will be immeasurable!

"Is it an accidental phenomenon or a common phenomenon that such a large gem-quality diamond can be retrieved from a borehole?"

He Xi's cloudy eyes, always staring at the diamond in the palm of his hand, fell into deep thought.

"If you have to look at the intervals of several other holes, the isolated data of one hole does not say anything." He Penghui's mind is still very clear.

"Keep going until you break through the Kimberlite!" He Xi grabbed the diamond and stood up.

Probably because he had been squatting for too long, his waist pole couldn't support it for half a day, so Xu Xin hurriedly stretched out his hand to support it.

"Thank you."

He Xi thanked him, turned his head to look at Xu Xin, and handed the diamond to He Penghui, "Send it to the appraisal center for appraisal to determine whether it is a diamond." ”

"Okay."

He Penghui grabbed the diamond like a heavy iron ingot, looking nervous.

A technician answered the phone and suddenly interjected: "Mr. He, Mr. He, a captain just called, and the lithology of the newly taken core over there has changed, and I estimate that it has penetrated the kimberlite rock mass and hit the fault below." ”

"Let's go check it out." He Xi spoke.

There was only a two-hundred-meter plane distance between the two drill holes, which was quickly reached.

The borehole I just saw was drilled right down from the center of the kimberlite tube, and the kimberlite was seen at a depth of more than 200 meters.

The borehole in front of me was hit at the edge of the "carrot-shaped" kimberlite tube, and the kimberlite was not seen until a depth of more than 470 meters.

Now the borehole has been drilled to 740 meters and penetrated the kimberlite mass, with breccia underneath.

He Xi glanced at the lithology at the bottom layer and said firmly: "This hole can be the end hole." ”

The core box was spread out on the ground, and two technicians carried out the geological cataloging work in front of the leader.

In addition to recording the geological conditions of the core, it is also necessary to constantly measure the core with instruments and record the diamond content at each location.

"Mr. He!" The technician in charge of measuring with instruments suddenly shouted.

Hearing the loud shouts, everyone involuntarily gathered around.

He Penghui glanced at the instrument, "The diamond content of the core below is very high, basically between sixty milligrams and one hundred milligrams per cubic meter, which is very high." ”

In China, there is no clear distinction between the industrial grade and cut-off grade of diamond deposits, and in many cases, each project needs to be evaluated according to different circumstances.

A grade of 60 milligrams per cubic meter, regardless of the geological environment and economic considerations, is certainly a high-grade situation!

Most of the time, the diamond particles are very finely broken, and it is basically difficult to replicate the situation of the last drill hole when observed on the core with the naked eye, and you can be lucky to find a large diamond.

Aside from the use of instruments, they are not very good at judging the occurrence of mines.

"Take a sample as soon as possible and send it for analysis!" He Xi spoke.

After cataloging the core, everyone walked down the mountain and came to the project department.

Shi Lei had just arrived, got out of the car and was about to go up the mountain, when he saw He Xi and the others coming down, he greeted him with anticipation.