At this time, Feng Xinyan had been sobbing and continued to talk for a long time, the tears on her face were all over her cheeks, the placket on her chest was already soaked, and her face was pale and haggard.

For fear that she would be too sad, Li Yi comforted her a few words and helped her up from the ground.

Feng Xinyan's sad emotions have probably been vented, and with Li Yi's support, she stood up obediently, and reflexively threw herself into his arms, Li Yi had to caress her shoulders and comforted her softly.

At this time, everyone also stepped forward to pay tribute in turn, and seeing that Feng Xinyan was still heartbroken, Li Yi was afraid that she would not be able to relieve herself in this sad place, so he hurriedly persuaded her to stand up. hugged Feng Xinyan and shed tears.

Leaving this sad place, everyone immediately drove their horses to the western foot of Songyang Mountain, and after galloping for a while, everyone's mood gradually recovered, and Feng Xinyan also wiped away her tears and became more silent.

Tang Jingtian and Li Yi walked side by side, and when they came to a mountain nest, Tang Jingtian pointed to a valley in front of him with a horsewhip and said to Li Yi: "Dashuai, the area ahead is the copper vein you said." Since you pointed out the rich mineral deposits in this area, you have come down to investigate several times, and the fact is that as the marshal said, there are very high-grade mineral deposits at the bottom, mainly copper, but it should also include a large number of gold and silver veins, I think we have made a lot of money this time, hehe! ”

Li Yi nodded and said: "It is certain that this place is rich in reserves, but I don't know if the veins are buried deeply, if it is difficult to excavate, I am afraid it will take some more effort." ”

Tang Jingtian smiled lightly and said: "Don't worry, Dashuai, I don't know how many places I have explored, I have never seen such a high-grade, buried and shallow vein, even the Tangdan copper mine cannot be compared." What's even more gratifying is that this is a large deposit of gold, silver, and copper, even if it is dug for hundreds of years, I am afraid it will not be exhausted. ”

"It's just that the mountainous terrain in this area is complicated, and if you want to transport it out, you need to build a smooth road, or simply build a few smelting furnaces here, and it would be better to refine them directly on the spot."

Li Yi nodded in agreement, at this time, the road ahead was already rugged and difficult, and it was no longer possible to run on horseback. The people dismounted and walked on foot, leading the horses forward.

After walking for nearly half an hour, you can already see that dozens of thatched huts have been built on the hillside in front, where nearly a hundred craftsmen are busy, and several piles of ore like a hill have been piled up on the flat ground next to it, which they have probably mined in recent months.

Tang Jingtian walked forward and led everyone to the hillside. After greeting those craftsmen, he came to the pile of ore, picked up a piece of ore and handed it to Li Yi's hand, and said: "These ores are all mined from the surface of the ridge, just looking at the surface, you can see that the grade of these ores is very high, as long as a little refining, you can refine the extremely high quality brass." It's all copper ore, and I haven't started mining those gold and silver veins yet, so I'll have to wait until everything is planned. It's never too late to do it. ”

Li Yi played with the copper ore in his hand, and saw that this piece of ore was only the size of a fist, but the whole body was greenish-brown, and some exposed parts had shown pure brass color, it seemed that the fineness of this copper ore was very good, and it was close to the level of copper concentrate.

Next, Li Yi squatted down to observe the other mined copper ores, and found that most of them were of very high grade, which couldn't help but make him secretly happy. You must know that the mineral veins in this place are also seen by yourself from books, and there is actually no bottom in your heart, and I don't know what the color of the mineral veins here is.

If it is a low-grade vein, with the existing refining equipment, I am afraid that the cost of refining is also high, and there is no question of profit. Fortunately, after Tang Jingtian's exploration, it can already be determined that it is a high-grade deposit, so what else do you have to worry about!

As Tang Jingtian turned a few mining faces, Li Yi was undoubtedly more confident. Now Yunnan's economic development is good, and the government's finances are also very abundant, but in fact, these gold and silver things are not needed at all. Yunnan does not have the authority to mint money, and there is no use for so much gold, silver, and brass.

Even if a part of it is handed over to the imperial court, the remaining part is exchanged abroad for some materials urgently needed in Yunnan, which is far from consuming one-fifth of the output of Tangdan copper mine, and the rest is just stored in the warehouse and idle.

And now that such a larger copper mine has been discovered, to be honest, Li Yi has not thought of how to develop it. Rather than refining it and letting it sit idle, it is better to stop developing it for the time being, and let it continue to lie quietly in the depths of the mountain, leaving it for future generations to enjoy!

When this idea popped up, Li Yi still didn't know how to choose, but Tang Jingtian's words made Li Yi immediately firm up this idea.

Tang Jingtian said: "This mineral deposit is located in the col of Songyang Mountain, there is no difficulty in mining this season, if it is in the rainy season, the col is full of water, and it can only be sighed." Moreover, the rainy season in Yunnan is frequent, and the time available for mining is very limited. That's why I used this time to dig hard, and then I went out of the mountains and stopped when the rainy season came. ”

Li Yi frowned slightly and said: "That means that when the mineral deposits here are mined to a certain depth, the area of stagnant water will definitely increase greatly, and maybe there is a great possibility of forming a lake, in that case, wouldn't we have to give up painfully?" ”

Tang Jingtian nodded and said: "What the marshal said is not true at all, mining can only be dug deeper and deeper, over the years, most of the pits I have experienced have been covered by stagnant water, and some have formed lakes and seas over the years, and it is impossible to think about mining again." ”

Li Yi nodded secretly and said: "I understand, the reason why the Tangdan Copper Mine is still being mined is probably because the place is on the ridge, even if it is mined for hundreds of meters, there is no problem, but here because of the terrain, the mining is much more difficult." In that case, wouldn't there be very little place for this vein to be developed? ”

Tang Jingtian shook his head slightly: "What the marshal said is not true, I am now making full use of the current dry season, hurrying up the mining, and striving to mine and transport the refined ore away before May, and I will have to rest when the rainy season comes." ”

"This kind of opportunity, according to my estimate, will come to an end in two more years. Because of the topography, the water will accumulate into a lake in two years at most, and other minerals buried deep underground will have to be left to future generations. ”

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